$SNEX
StoneX Group Inc. Stock $snex

$snex Overview Financials Valuation SEC Filings Company Website

2012 Q3 Form 10-K Financial Statement

#000091376014000006 Filed on January 15, 2014

Income Statement

Concept	2012 Q3	2011 Q3	2011
Revenue	$17.67B	$24.07B	$72.89B
YoY Change	-26.6%	53.26%	55.29%
Cost Of Revenue	$17.55B	$23.96B	$72.47B
YoY Change	-26.76%	53.18%	55.28%
Gross Profit	$118.0M	$108.1M	$419.1M
YoY Change	9.16%	68.91%	55.8%
Gross Profit Margin	0.67%	0.45%	0.57%
Selling, General & Admin	$67.00M	$59.00M	$257.0M
YoY Change	13.56%	25.53%	55.76%
% of Gross Profit	56.78%	54.58%	61.32%
Research & Development			$15.50M
YoY Change			39.64%
% of Gross Profit			3.7%
Depreciation & Amortization	$1.900M	$1.300M	$4.700M
YoY Change	46.15%	30.0%	193.75%
% of Gross Profit	1.61%	1.2%	1.12%
Operating Expenses	$104.0M	$85.00M	$15.50M
YoY Change	22.35%	25.0%	39.64%
Operating Profit	$14.00M	$23.10M	$403.6M
YoY Change	-39.39%	-677.5%	56.49%
Interest Expense	$3.300M	$2.200M	$11.30M
YoY Change	50.0%		14.14%
% of Operating Profit	23.57%	9.52%	2.8%
Other Income/Expense, Net
YoY Change
Pretax Income	$10.50M	$13.00M	$55.40M
YoY Change	-19.23%	-360.0%	209.5%
Income Tax	$2.200M	$5.400M	$20.90M
% Of Pretax Income	20.95%	41.54%	37.73%
Net Earnings	$8.300M	$7.500M	$34.80M
YoY Change	10.67%	-250.0%	544.44%
Net Earnings / Revenue	0.05%	0.03%	0.05%
Basic Earnings Per Share	$0.44	$0.41	$1.93
Diluted Earnings Per Share	$0.42	$0.39	$1.83
COMMON SHARES
Basic Shares Outstanding	19.04M shares	18.22M shares	17.62M shares
Diluted Shares Outstanding			18.57M shares

Balance Sheet

Concept	2012 Q3	2011 Q3	2011
SHORT-TERM ASSETS
Cash & Short-Term Investments	$236.0M	$340.0M	$221.0M
YoY Change	-30.59%	250.52%	169.51%
Cash & Equivalents	$236.3M	$220.6M	$221.0M
Short-Term Investments
Other Short-Term Assets
YoY Change
Inventory	$131.6M	$160.6M	$161.0M
Prepaid Expenses
Receivables	$1.689B	$1.752B	$1.752B
Other Receivables	$15.00M	$8.000M	$8.000M
Total Short-Term Assets	$1.940B	$2.261B	$2.142B
YoY Change	-14.2%	63.01%	56.12%
LONG-TERM ASSETS
Property, Plant & Equipment	$18.90M	$15.00M	$15.00M
YoY Change	26.0%	105.48%	114.29%
Goodwill	$44.70M	$42.50M
YoY Change	5.18%
Intangibles	$11.10M	$13.60M
YoY Change	-18.38%
Long-Term Investments	$172.0M	$223.0M	$223.0M
YoY Change	-22.87%	-55.58%	-55.58%
Other Assets	$379.0M	$21.00M	$140.0M
YoY Change	1704.76%	0.0%	288.89%
Total Long-Term Assets	$1.013B	$371.0M	$494.0M
YoY Change	173.05%	-41.55%	-24.0%
TOTAL ASSETS
Total Short-Term Assets	$1.940B	$2.261B	$2.142B
Total Long-Term Assets	$1.013B	$371.0M	$494.0M
Total Assets	$2.953B	$2.632B	$2.636B
YoY Change	12.2%	30.19%	30.37%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$2.112B	$1.743B	$1.743B
YoY Change	21.17%	28.63%	28.63%
Accrued Expenses
YoY Change
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$77.00M	$77.00M
YoY Change	-100.0%	-33.04%	-33.04%
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$2.118B	$1.825B	$1.825B
YoY Change	16.05%	23.9%	23.9%
LONG-TERM LIABILITIES
Long-Term Debt	$218.0M	$0.00	$0.00
YoY Change		-100.0%	-100.0%
Other Long-Term Liabilities	$175.0M	$391.0M	$391.0M
YoY Change	-55.24%	105.79%	105.79%
Total Long-Term Liabilities	$393.0M	$391.0M	$391.0M
YoY Change	0.51%	88.89%	88.89%
TOTAL LIABILITIES
Total Short-Term Liabilities	$2.118B	$1.825B	$1.825B
Total Long-Term Liabilities	$393.0M	$391.0M	$391.0M
Total Liabilities	$2.640B	$2.338B	$2.339B
YoY Change	12.9%	31.44%	31.4%
SHAREHOLDERS EQUITY
Retained Earnings	$106.1M	$97.00M
YoY Change	9.38%	62.48%
Common Stock
YoY Change
Preferred Stock
YoY Change
Treasury Stock (at cost)	$4.100M	$100.0K
YoY Change	4000.0%	0.0%
Treasury Stock Shares	229.1K shares	11.56K shares
Shareholders Equity	$313.2M	$296.3M	$296.0M
YoY Change
Total Liabilities & Shareholders Equity	$2.953B	$2.636B	$2.636B
YoY Change	12.04%	30.37%	30.37%

Cashflow Statement

Concept	2012 Q3	2011 Q3	2011
OPERATING ACTIVITIES
Net Income	$8.300M	$7.500M	$34.80M
YoY Change	10.67%	-250.0%	544.44%
Depreciation, Depletion And Amortization	$1.900M	$1.300M	$4.700M
YoY Change	46.15%	30.0%	193.75%
Cash From Operating Activities	-$10.50M	$129.4M	$209.0M
YoY Change	-108.11%	-467.61%	84.96%
INVESTING ACTIVITIES
Capital Expenditures	-$1.800M	-$3.100M	$10.10M
YoY Change	-41.94%	158.33%	114.89%
Acquisitions			$9.300M
YoY Change			-75.27%
Other Investing Activities	$0.00	$4.200M	$0.00
YoY Change	-100.0%	-113.29%
Cash From Investing Activities	-$1.800M	$1.100M	-$21.50M
YoY Change	-263.64%	-103.35%	-49.29%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net			$0.00
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	35.50M	-53.60M	-$48.40M
YoY Change	-166.23%	-168.11%	-1.63%
NET CHANGE
Cash From Operating Activities	-10.50M	129.4M	$209.0M
Cash From Investing Activities	-1.800M	1.100M	-$21.50M
Cash From Financing Activities	35.50M	-53.60M	-$48.40M
Net Change In Cash	23.20M	76.90M	$139.1M
YoY Change	-69.83%	618.69%	550.0%
FREE CASH FLOW
Cash From Operating Activities	-$10.50M	$129.4M	$209.0M
Capital Expenditures	-$1.800M	-$3.100M	$10.10M
Free Cash Flow	-$8.700M	$132.5M	$198.9M
YoY Change	-106.57%	-489.71%	83.66%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
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CY2013Q3	us-gaap	Accounts Payable And Other Accrued Liabilities AccountsPayableAndOtherAccruedLiabilities	114000000	USD
CY2012Q3	us-gaap	Accounts Receivable Net AccountsReceivableNet	68900000	USD
CY2013Q3	us-gaap	Accounts Receivable Net AccountsReceivableNet	93300000	USD
CY2012Q3	us-gaap	Accrued Income Taxes AccruedIncomeTaxes	5500000	USD
CY2013Q3	us-gaap	Accrued Income Taxes AccruedIncomeTaxes	3400000	USD
CY2012Q3	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	9600000	USD
CY2013Q3	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	14300000	USD
CY2013Q3	us-gaap	Accumulated Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	500000	USD
CY2012Q3	us-gaap	Accumulated Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-6200000	USD
CY2013Q3	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-6400000	USD
CY2012Q3	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-2200000	USD
CY2012Q3	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	213200000	USD
CY2013Q3	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	224000000	USD
CY2011	us-gaap	Adjustments To Additional Paid In Capital Other AdjustmentsToAdditionalPaidInCapitalOther	16900000	USD
CY2013	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	9300000	USD
CY2012	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	5900000	USD
CY2011	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	2300000	USD
CY2011	us-gaap	Adjustments To Additional Paid In Capital Tax Effect From Share Based Compensation AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation	0	USD
CY2012	us-gaap	Adjustments To Additional Paid In Capital Tax Effect From Share Based Compensation AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation	-200000	USD
CY2013	us-gaap	Adjustments To Additional Paid In Capital Tax Effect From Share Based Compensation AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation	0	USD
CY2012	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	5900000	USD
CY2013	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	9300000	USD
CY2011	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	2300000	USD
CY2013Q3	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	1100000	USD
CY2012Q3	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	900000	USD
CY2013	us-gaap	Allowance For Doubtful Accounts Receivable Charge Offs AllowanceForDoubtfulAccountsReceivableChargeOffs	0	USD
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CY2011	us-gaap	Allowance For Doubtful Accounts Receivable Recoveries AllowanceForDoubtfulAccountsReceivableRecoveries	-3700000	USD
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CY2013Q3	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
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CY2013Q3	us-gaap	Deferred Tax Assets Operating Loss Carryforwards Domestic DeferredTaxAssetsOperatingLossCarryforwardsDomestic	7300000	USD
CY2012Q3	us-gaap	Deferred Tax Assets Operating Loss Carryforwards Domestic DeferredTaxAssetsOperatingLossCarryforwardsDomestic	0	USD
CY2012Q3	us-gaap	Deferred Tax Assets Operating Loss Carryforwards Foreign DeferredTaxAssetsOperatingLossCarryforwardsForeign	2000000	USD
CY2013Q3	us-gaap	Deferred Tax Assets Operating Loss Carryforwards Foreign DeferredTaxAssetsOperatingLossCarryforwardsForeign	1900000	USD
CY2012Q3	us-gaap	Deferred Tax Assets Operating Loss Carryforwards State And Local DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal	4900000	USD
CY2013Q3	us-gaap	Deferred Tax Assets Operating Loss Carryforwards State And Local DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal	4900000	USD
CY2013Q3	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	1400000	USD
CY2012Q3	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	1200000	USD
CY2013Q3	us-gaap	Deferred Tax Assets Tax Credit Carryforwards Foreign DeferredTaxAssetsTaxCreditCarryforwardsForeign	100000	USD
CY2012Q3	us-gaap	Deferred Tax Assets Tax Credit Carryforwards Foreign DeferredTaxAssetsTaxCreditCarryforwardsForeign	300000	USD
CY2013Q3	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits	1600000	USD
CY2012Q3	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits	4500000	USD
CY2012Q3	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Employee Compensation DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation	3200000	USD
CY2013Q3	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Employee Compensation DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation	2300000	USD
CY2012Q3	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Pensions DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPensions	6100000	USD
CY2013Q3	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Pensions DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPensions	3400000	USD
CY2013Q3	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	2700000	USD
CY2012Q3	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	2500000	USD
CY2013Q3	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Allowance For Doubtful Accounts DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts	200000	USD
CY2012Q3	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Allowance For Doubtful Accounts DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts	100000	USD
CY2013Q3	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	-2300000	USD
CY2012Q3	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	-4100000	USD
CY2012Q3	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	2000000	USD
CY2013Q3	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	0	USD
CY2013Q3	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets	6900000	USD
CY2012Q3	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets	6100000	USD
CY2012Q3	us-gaap	Deferred Tax Liabilities Prepaid Expenses DeferredTaxLiabilitiesPrepaidExpenses	1100000	USD
CY2013Q3	us-gaap	Deferred Tax Liabilities Prepaid Expenses DeferredTaxLiabilitiesPrepaidExpenses	900000	USD
CY2013Q3	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	3400000	USD
CY2012Q3	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	3800000	USD
CY2013Q3	us-gaap	Deferred Tax Liabilities Unrealized Gains On Trading Securities DeferredTaxLiabilitiesUnrealizedGainsOnTradingSecurities	1300000	USD
CY2012Q3	us-gaap	Deferred Tax Liabilities Unrealized Gains On Trading Securities DeferredTaxLiabilitiesUnrealizedGainsOnTradingSecurities	3100000	USD
CY2013Q3	us-gaap	Deferred Tax Liability Not Recognized Cumulative Amount Of Temporary Difference DeferredTaxLiabilityNotRecognizedCumulativeAmountOfTemporaryDifference	4300000	USD
CY2013Q3	us-gaap	Defined Benefit Plan Accumulated Benefit Obligation DefinedBenefitPlanAccumulatedBenefitObligation	37500000	USD
CY2012Q3	us-gaap	Defined Benefit Plan Accumulated Benefit Obligation DefinedBenefitPlanAccumulatedBenefitObligation	42800000	USD
CY2013Q3	us-gaap	Defined Benefit Plan Accumulated Other Comprehensive Income Net Gains Losses Before Tax DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax	2900000	USD
CY2012Q3	us-gaap	Defined Benefit Plan Accumulated Other Comprehensive Income Net Gains Losses Before Tax DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax	6200000	USD
CY2013	us-gaap	Defined Benefit Plan Actual Return On Plan Assets DefinedBenefitPlanActualReturnOnPlanAssets	3700000	USD
CY2011	us-gaap	Defined Benefit Plan Actual Return On Plan Assets DefinedBenefitPlanActualReturnOnPlanAssets	-400000	USD
CY2012	us-gaap	Defined Benefit Plan Actual Return On Plan Assets DefinedBenefitPlanActualReturnOnPlanAssets	4600000	USD
CY2013	us-gaap	Defined Benefit Plan Actuarial Gain Loss DefinedBenefitPlanActuarialGainLoss	-2600000	USD
CY2012	us-gaap	Defined Benefit Plan Actuarial Gain Loss DefinedBenefitPlanActuarialGainLoss	5800000	USD
CY2011	us-gaap	Defined Benefit Plan Actuarial Gain Loss DefinedBenefitPlanActuarialGainLoss	2600000	USD
CY2013	us-gaap	Defined Benefit Plan Amortization Of Gains Losses DefinedBenefitPlanAmortizationOfGainsLosses	-800000	USD
CY2012	us-gaap	Defined Benefit Plan Amortization Of Gains Losses DefinedBenefitPlanAmortizationOfGainsLosses	-400000	USD
CY2011	us-gaap	Defined Benefit Plan Amortization Of Gains Losses DefinedBenefitPlanAmortizationOfGainsLosses	0	USD
CY2013	us-gaap	Defined Benefit Plan Amounts Recognized In Other Comprehensive Income Loss Net Gain Loss Before Tax DefinedBenefitPlanAmountsRecognizedInOtherComprehensiveIncomeLossNetGainLossBeforeTax	-5400000	USD
CY2012	us-gaap	Defined Benefit Plan Amounts Recognized In Other Comprehensive Income Loss Net Gain Loss Before Tax DefinedBenefitPlanAmountsRecognizedInOtherComprehensiveIncomeLossNetGainLossBeforeTax	2500000	USD
CY2013	us-gaap	Defined Benefit Plan Amounts That Will Be Amortized From Accumulated Other Comprehensive Income Loss In Next Fiscal Year DefinedBenefitPlanAmountsThatWillBeAmortizedFromAccumulatedOtherComprehensiveIncomeLossInNextFiscalYear	200000	USD
CY2013Q3	us-gaap	Defined Benefit Plan Assumptions Used Calculating Benefit Obligation Discount Rate DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate	0.0460
CY2012Q3	us-gaap	Defined Benefit Plan Assumptions Used Calculating Benefit Obligation Discount Rate DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate	0.0380
CY2012	us-gaap	Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Cost Discount Rate DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate	0.0480
CY2011	us-gaap	Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Cost Discount Rate DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate	0.0530
CY2013	us-gaap	Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Cost Discount Rate DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate	0.0380
CY2013	us-gaap	Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Cost Expected Long Term Return On Assets DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets	0.0700
CY2011	us-gaap	Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Cost Expected Long Term Return On Assets DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets	0.0730
CY2012	us-gaap	Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Cost Expected Long Term Return On Assets DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets	0.0730
CY2010Q3	us-gaap	Defined Benefit Plan Benefit Obligation DefinedBenefitPlanBenefitObligation	37600000	USD
CY2013Q3	us-gaap	Defined Benefit Plan Benefit Obligation DefinedBenefitPlanBenefitObligation	37500000	USD
CY2011Q3	us-gaap	Defined Benefit Plan Benefit Obligation DefinedBenefitPlanBenefitObligation	39000000	USD
CY2012Q3	us-gaap	Defined Benefit Plan Benefit Obligation DefinedBenefitPlanBenefitObligation	42800000	USD
CY2013	us-gaap	Defined Benefit Plan Benefits Paid DefinedBenefitPlanBenefitsPaid	-4200000	USD
CY2011	us-gaap	Defined Benefit Plan Benefits Paid DefinedBenefitPlanBenefitsPaid	-3100000	USD
CY2012	us-gaap	Defined Benefit Plan Benefits Paid DefinedBenefitPlanBenefitsPaid	-3800000	USD
CY2013	us-gaap	Defined Benefit Plan Contributions By Employer DefinedBenefitPlanContributionsByEmployer	2900000	USD
CY2011	us-gaap	Defined Benefit Plan Contributions By Employer DefinedBenefitPlanContributionsByEmployer	3500000	USD
CY2012	us-gaap	Defined Benefit Plan Contributions By Employer DefinedBenefitPlanContributionsByEmployer	1500000	USD
CY2013Q3	us-gaap	Defined Benefit Plan Estimated Future Employer Contributions In Next Fiscal Year DefinedBenefitPlanEstimatedFutureEmployerContributionsInNextFiscalYear	2500000	USD
CY2013Q3	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Five Fiscal Years Thereafter DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter	9500000	USD
CY2013Q3	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Next Twelve Months DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths	3600000	USD
CY2013Q3	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Year Five DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive	1900000	USD
CY2013Q3	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Year Four DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour	2900000	USD
CY2013Q3	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Year Three DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree	3200000	USD
CY2013Q3	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Year Two DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo	3300000	USD
CY2011	us-gaap	Defined Benefit Plan Expected Return On Plan Assets DefinedBenefitPlanExpectedReturnOnPlanAssets	1700000	USD
CY2013	us-gaap	Defined Benefit Plan Expected Return On Plan Assets DefinedBenefitPlanExpectedReturnOnPlanAssets	1800000	USD
CY2012	us-gaap	Defined Benefit Plan Expected Return On Plan Assets DefinedBenefitPlanExpectedReturnOnPlanAssets	1700000	USD
CY2010Q3	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	24200000	USD
CY2012Q3	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	26500000	USD
CY2011Q3	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	24200000	USD
CY2013Q3	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	28900000	USD
CY2012Q3	us-gaap	Defined Benefit Plan Funded Status Of Plan DefinedBenefitPlanFundedStatusOfPlan	-16300000	USD
CY2011Q3	us-gaap	Defined Benefit Plan Funded Status Of Plan DefinedBenefitPlanFundedStatusOfPlan	-14800000	USD
CY2013Q3	us-gaap	Defined Benefit Plan Funded Status Of Plan DefinedBenefitPlanFundedStatusOfPlan	-8600000	USD
CY2011	us-gaap	Defined Benefit Plan Interest Cost DefinedBenefitPlanInterestCost	1900000	USD
CY2012	us-gaap	Defined Benefit Plan Interest Cost DefinedBenefitPlanInterestCost	1800000	USD
CY2013	us-gaap	Defined Benefit Plan Interest Cost DefinedBenefitPlanInterestCost	1500000	USD
CY2013	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	500000	USD
CY2012	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	500000	USD
CY2011	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	200000	USD
CY2012Q3	us-gaap	Defined Benefit Plan Pension Plans With Accumulated Benefit Obligations In Excess Of Plan Assets Aggregate Projected Benefit Obligation DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateProjectedBenefitObligation	42800000	USD
CY2013Q3	us-gaap	Defined Benefit Plan Pension Plans With Accumulated Benefit Obligations In Excess Of Plan Assets Aggregate Projected Benefit Obligation DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateProjectedBenefitObligation	37500000	USD
CY2013Q3	us-gaap	Defined Benefit Plan Weighted Average Asset Allocations DefinedBenefitPlanWeightedAverageAssetAllocations	1.00	Rate
CY2012Q3	us-gaap	Defined Benefit Plan Weighted Average Asset Allocations DefinedBenefitPlanWeightedAverageAssetAllocations	1.00	Rate
CY2011	us-gaap	Defined Contribution Plan Employer Discretionary Contribution Amount DefinedContributionPlanEmployerDiscretionaryContributionAmount	2800000	USD
CY2013	us-gaap	Defined Contribution Plan Employer Discretionary Contribution Amount DefinedContributionPlanEmployerDiscretionaryContributionAmount	4000000	USD
CY2012	us-gaap	Defined Contribution Plan Employer Discretionary Contribution Amount DefinedContributionPlanEmployerDiscretionaryContributionAmount	3700000	USD
CY2012	us-gaap	Depreciation Depreciation	4700000	USD
CY2013	us-gaap	Depreciation Depreciation	5800000	USD
CY2011	us-gaap	Depreciation Depreciation	2400000	USD
CY2012	us-gaap	Depreciation And Amortization DepreciationAndAmortization	7200000	USD
CY2013	us-gaap	Depreciation And Amortization DepreciationAndAmortization	8000000	USD
CY2011	us-gaap	Depreciation And Amortization DepreciationAndAmortization	4700000	USD
CY2011	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	4700000	USD
CY2012	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	7200000	USD
CY2013	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	8000000	USD
CY2012	us-gaap	Derivative Average Remaining Maturity1 DerivativeAverageRemainingMaturity1	P6M
CY2013Q3	us-gaap	Derivative Fair Value Of Derivative Asset DerivativeFairValueOfDerivativeAsset	2879400000	USD
CY2012Q3	us-gaap	Derivative Fair Value Of Derivative Asset DerivativeFairValueOfDerivativeAsset	4450900000	USD
CY2013Q3	us-gaap	Derivative Fair Value Of Derivative Asset Amount Offset Against Collateral DerivativeFairValueOfDerivativeAssetAmountOffsetAgainstCollateral	-2940400000	USD
CY2012Q3	us-gaap	Derivative Fair Value Of Derivative Asset Amount Offset Against Collateral DerivativeFairValueOfDerivativeAssetAmountOffsetAgainstCollateral	-4548100000	USD
CY2013Q3	us-gaap	Derivative Fair Value Of Derivative Liability DerivativeFairValueOfDerivativeLiability	2975400000	USD
CY2012Q3	us-gaap	Derivative Fair Value Of Derivative Liability DerivativeFairValueOfDerivativeLiability	4675600000	USD
CY2013Q3	us-gaap	Derivative Fair Value Of Derivative Liability Amount Offset Against Collateral DerivativeFairValueOfDerivativeLiabilityAmountOffsetAgainstCollateral	-2944700000	USD
CY2012Q3	us-gaap	Derivative Fair Value Of Derivative Liability Amount Offset Against Collateral DerivativeFairValueOfDerivativeLiabilityAmountOffsetAgainstCollateral	-4631000000	USD
CY2013Q3	us-gaap	Derivative Liabilities DerivativeLiabilities	30700000	USD
CY2013Q3	us-gaap	Derivative Number Of Instruments Held DerivativeNumberOfInstrumentsHeld	4100000
CY2012Q3	us-gaap	Derivative Number Of Instruments Held DerivativeNumberOfInstrumentsHeld	4100000
CY2012	us-gaap	Discontinued Operation Tax Effect Of Discontinued Operation DiscontinuedOperationTaxEffectOfDiscontinuedOperation	0	USD
CY2011	us-gaap	Discontinued Operation Tax Effect Of Discontinued Operation DiscontinuedOperationTaxEffectOfDiscontinuedOperation	100000	USD
CY2013	us-gaap	Discontinued Operation Tax Effect Of Discontinued Operation DiscontinuedOperationTaxEffectOfDiscontinuedOperation	0	USD
CY2013	us-gaap	Due To And From Broker Dealers And Clearing Organizations Disclosure DueToAndFromBrokerDealersAndClearingOrganizationsDisclosure	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-bottom:8px;padding-top:8px;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-style:italic;font-weight:bold;">Deposits and Receivables from Exchange-Clearing Organizations, Broker-dealers, Clearing Organizations and Counterparties, and Payables to Broker-dealers, Clearing Organizations and Counterparties </font></div><div style="line-height:120%;padding-bottom:8px;padding-top:8px;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">As required by the regulations of the U.S. Commodity Futures Trading Commission (“CFTC”) and the Markets in Financial Instruments Implementing Directive 2006/73/EC underpinning the CASS rules in the FSA handbook, customer funds received to margin, guarantee, and/or secure commodity futures transactions are segregated and accounted for separately from the general assets of the Company. Under the FSA’s rules, certain categories of clients may choose to opt-out of segregation. Deposits with exchange-clearing organizations, broker-dealers and counterparties pertain primarily to deposits made to satisfy margin requirements on customer and proprietary open futures and options-on-futures positions and to satisfy the requirements set by clearing exchanges for clearing membership. The Company also pledges margin deposit with various counterparties for OTC derivative contracts, and these deposits are also included in deposits and receivables from broker-dealers and counterparties. Deposits with and receivables from exchange-clearing organizations and broker-dealers and counterparties are reported gross, except where a right of offset exists. As of </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">September 30, 2013 and 2012</font><font style="font-family:inherit;font-size:10pt;">, the Company had cash and cash equivalents on deposit with or pledged to exchange-clearing organizations, broker-dealers and counterparties of </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">$1.0 billion</font><font style="font-family:inherit;font-size:10pt;"> and </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">$0.4 billion</font><font style="font-family:inherit;font-size:10pt;">, respectively. </font></div><div style="line-height:120%;padding-bottom:8px;padding-top:8px;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">These balances also include securities pledged by the Company on behalf of customers and customer-owned securities that are pledged. It is the Company’s practice to include customer owned securities on its consolidated balance sheets, as the rights to those securities have been transferred to the Company under the terms of the futures trading agreement. Securities pledged include U.S. Treasury bills and instruments backed by U.S. government sponsored entities and government-sponsored enterprise backed mortgage-backed securities (“mortgage-backed securities”). The securities that are not customer-owned are adjusted to fair value with associated changes in unrealized gains or losses recorded in OCI, net of tax, until realized, a component of stockholders’ equity. For customer owned securities, the change in fair value is offset against the payable to customers with no impact recognized on the consolidated income statements. </font></div><div style="line-height:120%;padding-bottom:8px;padding-top:8px;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">The securities, primarily U.S. Government obligations and mortgage-backed securities, held by FCStone LLC (“FCStone”), a subsidiary of INTL, as collateral or as margin have been deposited with exchange-clearing organizations, broker-dealers or other counterparties. The fair value of these securities was approximately </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">$0.6 billion</font><font style="font-family:inherit;font-size:10pt;"> and </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">$1.3 billion</font><font style="font-family:inherit;font-size:10pt;"> as of </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">September 30, 2013 and 2012</font><font style="font-family:inherit;font-size:10pt;">, respectively. </font></div><div style="line-height:120%;padding-bottom:8px;padding-top:8px;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Management has considered guidance required by the Transfers and Servicing Topic of the ASC as it relates to securities pledged by customers to margin their accounts. Based on a review of the agreements with the customer, management believes a legal basis exists to support that the transferor surrenders control over those assets if all of the following three conditions are met: (a) the transferred assets have been isolated from the transferor—put presumptively beyond the reach of the transferor and its creditors, even in bankruptcy or other receivership, (b) each transferee has the right to pledge or exchange the assets (or beneficial interests) it received, and no condition both constrains the transferee (or holder) from taking advantage of its right to pledge or exchange and provides more than a trivial benefit to the transferor and (c) the transferor does not maintain effective control over the transferred assets through either (1) an agreement that both entitles and obligates the transferor to repurchase or redeem them before their maturity or (2) the ability to unilaterally cause the holder to return specific assets, other than through a cleanup call. Under this guidance, the Company reflects the customer collateral assets and corresponding liabilities in the Company’s consolidated balance sheets as of </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">September 30, 2013 and 2012</font><font style="font-family:inherit;font-size:10pt;">. </font></div><div style="line-height:120%;padding-bottom:8px;padding-top:8px;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">In addition to margin, deposits with exchange-clearing organizations include guaranty deposits. The guaranty deposits are held by the clearing organization for use in potential default situations by one or more members of the clearing organization. The guaranty deposits may be applied to the Company’s obligations to the clearing organization, or to the clearing organization’s obligations to other clearing members or third parties. </font></div><div style="line-height:120%;padding-bottom:8px;padding-top:8px;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">The Company maintains customer omnibus and proprietary accounts with other counterparties, and the equity balances in those accounts along with any margin cash or securities deposited with the carrying broker are included in deposits and receivables from broker-dealers and counterparties. </font></div><div style="line-height:120%;padding-bottom:8px;padding-top:8px;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Receivables from and payables to exchange-clearing organizations are also comprised of amounts due from or due to exchange-clearing organizations for daily variation settlements on open futures and options-on-futures positions. The variation settlements due from or due to exchange-clearing organizations are paid in cash on the following business day. </font></div><div style="line-height:120%;padding-bottom:8px;padding-top:8px;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Deposits and receivables with exchange-clearing organizations also includes the unrealized gains and losses associated with the customers’ options-on-futures contracts. See discussion in the Financial Instruments and Derivatives section below for additional information on the treatment of derivative contracts. For customer owned derivative contracts, the fair value is offset against the payable to customers with no impact recognized on the consolidated income statements.</font></div></div>
CY2013	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.01
CY2011	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.93
CY2012	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.67
CY2013	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.97
CY2012	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.64
CY2011	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.83
CY2013	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	-500000	USD
CY2011	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	-400000	USD
CY2012	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	-1200000	USD
CY2011	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.377	Rate
CY2013	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.154	Rate
CY2012	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.176	Rate
CY2013	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.350	Rate
CY2011	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.350	Rate
CY2012	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.350	Rate
CY2011	us-gaap	Effective Income Tax Rate Reconciliation Change In Enacted Tax Rate EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate	0.012	Rate
CY2012	us-gaap	Effective Income Tax Rate Reconciliation Change In Enacted Tax Rate EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate	0.000	Rate
CY2013	us-gaap	Effective Income Tax Rate Reconciliation Change In Enacted Tax Rate EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate	-0.024	Rate
CY2012	us-gaap	Effective Income Tax Rate Reconciliation Deductions Other EffectiveIncomeTaxRateReconciliationDeductionsOther	-0.042	Rate
CY2013	us-gaap	Effective Income Tax Rate Reconciliation Deductions Other EffectiveIncomeTaxRateReconciliationDeductionsOther	0.039	Rate
CY2011	us-gaap	Effective Income Tax Rate Reconciliation Deductions Other EffectiveIncomeTaxRateReconciliationDeductionsOther	0.006	Rate
CY2012	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	-0.204	Rate
CY2011	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	-0.031	Rate
CY2013	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	-0.201	Rate
CY2012	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Meals And Entertainment EffectiveIncomeTaxRateReconciliationNondeductibleExpenseMealsAndEntertainment	0.027	Rate
CY2013	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Meals And Entertainment EffectiveIncomeTaxRateReconciliationNondeductibleExpenseMealsAndEntertainment	0.013	Rate
CY2011	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Meals And Entertainment EffectiveIncomeTaxRateReconciliationNondeductibleExpenseMealsAndEntertainment	0.000	Rate
CY2011	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Other EffectiveIncomeTaxRateReconciliationNondeductibleExpenseOther	0.000	Rate
CY2013	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Other EffectiveIncomeTaxRateReconciliationNondeductibleExpenseOther	0.043	Rate
CY2012	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Other EffectiveIncomeTaxRateReconciliationNondeductibleExpenseOther	0.060	Rate
CY2012	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.000	Rate
CY2013	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.024	Rate
CY2011	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.000	Rate
CY2012	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	-0.020	Rate
CY2011	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.008	Rate
CY2013	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.008	Rate
CY2012	us-gaap	Effective Income Tax Rate Reconciliation Tax Contingencies EffectiveIncomeTaxRateReconciliationTaxContingencies	-0.015	Rate
CY2011	us-gaap	Effective Income Tax Rate Reconciliation Tax Contingencies EffectiveIncomeTaxRateReconciliationTaxContingencies	0.015	Rate
CY2013	us-gaap	Effective Income Tax Rate Reconciliation Tax Contingencies EffectiveIncomeTaxRateReconciliationTaxContingencies	-0.003	Rate
CY2013	us-gaap	Effective Income Tax Rate Reconciliation Tax Settlements EffectiveIncomeTaxRateReconciliationTaxSettlements	-0.017	Rate
CY2012	us-gaap	Effective Income Tax Rate Reconciliation Tax Settlements EffectiveIncomeTaxRateReconciliationTaxSettlements	0.000	Rate
CY2011	us-gaap	Effective Income Tax Rate Reconciliation Tax Settlements EffectiveIncomeTaxRateReconciliationTaxSettlements	0.000	Rate
CY2013Q3	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized	4900000	USD
CY2013Q3	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized	2600000	USD
CY2013	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition1 EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1	P5Y8M16D
CY2013Q3	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Stock Options EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions	10000000	USD
CY2012	us-gaap	Excess Tax Benefit From Share Based Compensation Financing Activities ExcessTaxBenefitFromShareBasedCompensationFinancingActivities	200000	USD
CY2013	us-gaap	Excess Tax Benefit From Share Based Compensation Financing Activities ExcessTaxBenefitFromShareBasedCompensationFinancingActivities	100000	USD
CY2011	us-gaap	Excess Tax Benefit From Share Based Compensation Financing Activities ExcessTaxBenefitFromShareBasedCompensationFinancingActivities	0	USD
CY2013	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Earnings1 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1	0	USD
CY2012	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Earnings1 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1	-400000	USD
CY2013	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Period Increase Decrease FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPeriodIncreaseDecrease	-300000	USD
CY2012	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Period Increase Decrease FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPeriodIncreaseDecrease	-200000	USD
CY2013	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Purchases FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases	0	USD
CY2012	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Purchases FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases	0	USD
CY2013	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements	0	USD
CY2012	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements	0	USD
CY2013	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Net FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersNet	0	USD
CY2012	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Net FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersNet	0	USD
CY2013Q3	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	4200000	USD
CY2012Q3	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	4500000	USD
CY2011Q3	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	5100000	USD
CY2012	us-gaap	Fees And Commissions FeesAndCommissions	161000000	USD
CY2011	us-gaap	Fees And Commissions FeesAndCommissions	134500000	USD
CY2013	us-gaap	Fees And Commissions FeesAndCommissions	173300000	USD
CY2013Q3	us-gaap	Financial Instruments Owned At Fair Value FinancialInstrumentsOwnedAtFairValue	158500000	USD
CY2012Q3	us-gaap	Financial Instruments Owned At Fair Value FinancialInstrumentsOwnedAtFairValue	171700000	USD
CY2012Q3	us-gaap	Financial Instruments Sold Not Yet Purchased At Fair Value FinancialInstrumentsSoldNotYetPurchasedAtFairValue	175400000	USD
CY2013Q3	us-gaap	Financial Instruments Sold Not Yet Purchased At Fair Value FinancialInstrumentsSoldNotYetPurchasedAtFairValue	179900000	USD
CY2013Q3	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	100000	USD
CY2012Q3	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	100000	USD
CY2013Q3	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	-8500000	USD
CY2012Q3	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	-6300000	USD
CY2013Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense After Year Five FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive	6000000	USD
CY2013Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	1400000	USD
CY2013Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	700000	USD
CY2013Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	700000	USD
CY2013Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	700000	USD
CY2013Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	1000000	USD
CY2012Q3	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	16200000	USD
CY2013Q3	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	19000000	USD
CY2013Q3	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	10500000	USD
CY2012Q3	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	9900000	USD
CY2012Q3	us-gaap	Finite Lived Trade Names Gross FiniteLivedTradeNamesGross	100000	USD
CY2013	us-gaap	Fiscal Period FiscalPeriod	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-bottom:8px;padding-top:8px;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Unless otherwise stated herein, all references to fiscal </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">2013</font><font style="font-family:inherit;font-size:10pt;">, fiscal </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">2012</font><font style="font-family:inherit;font-size:10pt;">, and fiscal </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">2011</font><font style="font-family:inherit;font-size:10pt;"> refer to the Company’s fiscal years ended September 30.</font></div></div>
CY2011	us-gaap	Floor Brokerage Exchange And Clearance Fees FloorBrokerageExchangeAndClearanceFees	75600000	USD
CY2012	us-gaap	Floor Brokerage Exchange And Clearance Fees FloorBrokerageExchangeAndClearanceFees	105400000	USD
CY2013	us-gaap	Floor Brokerage Exchange And Clearance Fees FloorBrokerageExchangeAndClearanceFees	110100000	USD
CY2012Q3	us-gaap	Furniture And Fixtures Gross FurnitureAndFixturesGross	6300000	USD
CY2013Q3	us-gaap	Furniture And Fixtures Gross FurnitureAndFixturesGross	6000000	USD
CY2013	us-gaap	Gain Loss On Sale Of Business GainLossOnSaleOfBusiness	400000	USD
CY2011	us-gaap	Gain Loss On Sale Of Business GainLossOnSaleOfBusiness	0	USD
CY2012	us-gaap	Gain Loss On Sale Of Business GainLossOnSaleOfBusiness	0	USD
CY2013	us-gaap	Gain Loss On Sale Of Other Assets GainLossOnSaleOfOtherAssets	9100000	USD
CY2011	us-gaap	Gain Loss On Sale Of Other Assets GainLossOnSaleOfOtherAssets	0	USD
CY2012	us-gaap	Gain Loss On Sale Of Other Assets GainLossOnSaleOfOtherAssets	0	USD
CY2013	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	-400000	USD
CY2012	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	0	USD
CY2011	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	0	USD
CY2011	us-gaap	Gain On Purchase Of Business GainOnPurchaseOfBusiness	400000	USD
CY2012	us-gaap	Gain On Purchase Of Business GainOnPurchaseOfBusiness	0	USD
CY2013	us-gaap	Gain On Purchase Of Business GainOnPurchaseOfBusiness	0	USD
CY2013Q3	us-gaap	Goodwill Goodwill	47500000	USD
CY2012Q3	us-gaap	Goodwill Goodwill	44700000	USD
CY2012	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	1100000	USD
CY2013	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	2800000	USD
CY2012	us-gaap	Gross Profit GrossProfit	454200000	USD
CY2013	us-gaap	Gross Profit GrossProfit	478400000	USD
CY2011	us-gaap	Gross Profit GrossProfit	419100000	USD
CY2013	us-gaap	Impairment Of Intangible Assets Excluding Goodwill ImpairmentOfIntangibleAssetsExcludingGoodwill	-100000	USD
CY2012	us-gaap	Impairment Of Intangible Assets Excluding Goodwill ImpairmentOfIntangibleAssetsExcludingGoodwill	-800000	USD
CY2013	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	19300000	USD
CY2012	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	12800000	USD
CY2011	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	34600000	USD
CY2011	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	23200000	USD
CY2013	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	-21700000	USD
CY2012	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	-17200000	USD
CY2011	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	55400000	USD
CY2013	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	22600000	USD
CY2012	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	15800000	USD
CY2013	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	44300000	USD
CY2012	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	33000000	USD
CY2011	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	32200000	USD
CY2013	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	22600000	USD
CY2012	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	15800000	USD
CY2011	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	55400000	USD
CY2013	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	19300000	USD
CY2012	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	12700000	USD
CY2011	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	34500000	USD
CY2013	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	1.01
CY2012	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.67
CY2011	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	1.92
CY2013	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.97
CY2011	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	1.82
CY2012	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.64
CY2012	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	0	USD
CY2011	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	200000	USD
CY2013	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	0	USD
CY2013	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	0	USD
CY2011	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	200000	USD
CY2012	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	0	USD
CY2013	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0.00
CY2012	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0.00
CY2011	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0.01
CY2013	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0.00
CY2011	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0.01
CY2012	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0.00
CY2013	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	3300000	USD
CY2012	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	3100000	USD
CY2011	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	20900000	USD
CY2012	us-gaap	Income Tax Expense Benefit Continuing Operations IncomeTaxExpenseBenefitContinuingOperations	3100000	USD
CY2011	us-gaap	Income Tax Expense Benefit Continuing Operations IncomeTaxExpenseBenefitContinuingOperations	20900000	USD
CY2013	us-gaap	Income Tax Expense Benefit Continuing Operations IncomeTaxExpenseBenefitContinuingOperations	3300000	USD
CY2011	us-gaap	Income Tax Expense Benefit Intraperiod Tax Allocation IncomeTaxExpenseBenefitIntraperiodTaxAllocation	19600000	USD
CY2013	us-gaap	Income Tax Expense Benefit Intraperiod Tax Allocation IncomeTaxExpenseBenefitIntraperiodTaxAllocation	3500000	USD
CY2012	us-gaap	Income Tax Expense Benefit Intraperiod Tax Allocation IncomeTaxExpenseBenefitIntraperiodTaxAllocation	4100000	USD
CY2013Q3	us-gaap	Income Tax Receivable IncomeTaxReceivable	15500000	USD
CY2012Q3	us-gaap	Income Tax Receivable IncomeTaxReceivable	15500000	USD
CY2013	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	10200000	USD
CY2012	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	6100000	USD
CY2011	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	17600000	USD
CY2013	us-gaap	Increase Decrease In Accounts And Notes Receivable IncreaseDecreaseInAccountsAndNotesReceivable	-66600000	USD
CY2012	us-gaap	Increase Decrease In Accounts And Notes Receivable IncreaseDecreaseInAccountsAndNotesReceivable	77900000	USD
CY2011	us-gaap	Increase Decrease In Accounts And Notes Receivable IncreaseDecreaseInAccountsAndNotesReceivable	-2900000	USD
CY2013	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	-200000	USD
CY2011	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	30800000	USD
CY2012	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	10600000	USD
CY2012	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-46400000	USD
CY2013	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	23700000	USD
CY2011	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	39100000	USD
CY2011	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	0	USD
CY2012	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	300000	USD
CY2013	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	500000	USD
CY2012	us-gaap	Increase Decrease In Brokerage Receivables IncreaseDecreaseInBrokerageReceivables	-46200000	USD
CY2011	us-gaap	Increase Decrease In Brokerage Receivables IncreaseDecreaseInBrokerageReceivables	-51200000	USD
CY2013	us-gaap	Increase Decrease In Brokerage Receivables IncreaseDecreaseInBrokerageReceivables	53400000	USD
CY2011	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	-586000000	USD
CY2013	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	42300000	USD
CY2012	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	-97700000	USD
CY2012	us-gaap	Increase Decrease In Financial Instruments Sold Not Yet Purchased IncreaseDecreaseInFinancialInstrumentsSoldNotYetPurchased	-215500000	USD
CY2011	us-gaap	Increase Decrease In Financial Instruments Sold Not Yet Purchased IncreaseDecreaseInFinancialInstrumentsSoldNotYetPurchased	202900000	USD
CY2013	us-gaap	Increase Decrease In Financial Instruments Sold Not Yet Purchased IncreaseDecreaseInFinancialInstrumentsSoldNotYetPurchased	4600000	USD
CY2013	us-gaap	Increase Decrease In Financial Instruments Used In Operating Activities IncreaseDecreaseInFinancialInstrumentsUsedInOperatingActivities	-3100000	USD
CY2012	us-gaap	Increase Decrease In Financial Instruments Used In Operating Activities IncreaseDecreaseInFinancialInstrumentsUsedInOperatingActivities	-58300000	USD
CY2011	us-gaap	Increase Decrease In Financial Instruments Used In Operating Activities IncreaseDecreaseInFinancialInstrumentsUsedInOperatingActivities	-280700000	USD
CY2012	us-gaap	Increase Decrease In Income Taxes Receivable IncreaseDecreaseInIncomeTaxesReceivable	3100000	USD
CY2011	us-gaap	Increase Decrease In Income Taxes Receivable IncreaseDecreaseInIncomeTaxesReceivable	-600000	USD
CY2013	us-gaap	Increase Decrease In Income Taxes Receivable IncreaseDecreaseInIncomeTaxesReceivable	200000	USD
CY2013	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-72700000	USD
CY2011	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	35600000	USD
CY2012	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-29000000	USD
CY2011	us-gaap	Increase Decrease In Operating Assets IncreaseDecreaseInOperatingAssets	104100000	USD
CY2013	us-gaap	Increase Decrease In Operating Assets IncreaseDecreaseInOperatingAssets	95100000	USD
CY2012	us-gaap	Increase Decrease In Operating Assets IncreaseDecreaseInOperatingAssets	199900000	USD
CY2013	us-gaap	Increase Decrease In Payables To Broker Dealers IncreaseDecreaseInPayablesToBrokerDealers	-22300000	USD
CY2012	us-gaap	Increase Decrease In Payables To Broker Dealers IncreaseDecreaseInPayablesToBrokerDealers	35900000	USD
CY2011	us-gaap	Increase Decrease In Payables To Broker Dealers IncreaseDecreaseInPayablesToBrokerDealers	-500000	USD
CY2013	us-gaap	Increase Decrease In Payables To Customers IncreaseDecreaseInPayablesToCustomers	24000000	USD
CY2012	us-gaap	Increase Decrease In Payables To Customers IncreaseDecreaseInPayablesToCustomers	248000000	USD
CY2011	us-gaap	Increase Decrease In Payables To Customers IncreaseDecreaseInPayablesToCustomers	366200000	USD
CY2013	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-4300000	USD
CY2012	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	1600000	USD
CY2011	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	12100000	USD
CY2013Q3	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	11600000	USD
CY2012Q3	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	11100000	USD
CY2012	us-gaap	Interest Expense InterestExpense	11600000	USD
CY2013	us-gaap	Interest Expense InterestExpense	12500000	USD
CY2011	us-gaap	Interest Expense InterestExpense	11300000	USD
CY2013	us-gaap	Interest Income Operating InterestIncomeOperating	10300000	USD
CY2011	us-gaap	Interest Income Operating InterestIncomeOperating	10300000	USD
CY2012	us-gaap	Interest Income Operating InterestIncomeOperating	10300000	USD
CY2013	us-gaap	Interest Paid InterestPaid	8900000	USD
CY2012	us-gaap	Interest Paid InterestPaid	7900000	USD
CY2011	us-gaap	Interest Paid InterestPaid	9500000	USD
CY2012Q3	us-gaap	Inventory Adjustments InventoryAdjustments	400000	USD
CY2013Q3	us-gaap	Inventory Adjustments InventoryAdjustments	900000	USD
CY2013Q3	us-gaap	Inventory Finished Goods Net Of Reserves InventoryFinishedGoodsNetOfReserves	59000000	USD
CY2012Q3	us-gaap	Inventory Finished Goods Net Of Reserves InventoryFinishedGoodsNetOfReserves	118000000	USD
CY2012Q3	us-gaap	Inventory Gross InventoryGross	131600000	USD
CY2013Q3	us-gaap	Inventory Gross InventoryGross	59000000	USD
CY2012Q3	us-gaap	Inventory Net InventoryNet	131600000	USD
CY2013Q3	us-gaap	Inventory Net InventoryNet	59000000	USD
CY2012Q3	us-gaap	Inventory Work In Process And Raw Materials InventoryWorkInProcessAndRawMaterials	13600000	USD
CY2013Q3	us-gaap	Inventory Work In Process And Raw Materials InventoryWorkInProcessAndRawMaterials	0	USD
CY2013	us-gaap	Labor And Related Expense LaborAndRelatedExpense	201600000	USD
CY2012	us-gaap	Labor And Related Expense LaborAndRelatedExpense	202400000	USD
CY2011	us-gaap	Labor And Related Expense LaborAndRelatedExpense	176600000	USD
CY2012	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	8900000	USD
CY2011	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	7200000	USD
CY2013	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	9200000	USD
CY2013Q3	us-gaap	Leasehold Improvements Gross LeaseholdImprovementsGross	9600000	USD
CY2012Q3	us-gaap	Leasehold Improvements Gross LeaseholdImprovementsGross	9000000	USD
CY2013Q3	us-gaap	Liabilities Liabilities	2512600000	USD
CY2012Q3	us-gaap	Liabilities Liabilities	2639800000	USD
CY2013Q3	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	2848000000	USD
CY2012Q3	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	2953000000	USD
CY2012Q3	us-gaap	Line Of Credit LineOfCredit	218200000	USD
CY2013Q3	us-gaap	Line Of Credit LineOfCredit	61000000	USD
CY2012Q3	us-gaap	Line Of Credit Facility Amount Outstanding LineOfCreditFacilityAmountOutstanding	218200000	USD
CY2013Q3	us-gaap	Line Of Credit Facility Amount Outstanding LineOfCreditFacilityAmountOutstanding	61000000	USD
CY2013Q3	us-gaap	Long Term Debt Fair Value LongTermDebtFairValue	46400000	USD
CY2013	us-gaap	Loss Contingency Loss In Period LossContingencyLossInPeriod	1500000	USD
CY2013Q3	us-gaap	Loss Contingency Settlement Agreement Consideration1 LossContingencySettlementAgreementConsideration1	265000	USD
CY2012Q3	us-gaap	Machinery And Equipment Gross MachineryAndEquipmentGross	9300000	USD
CY2013Q3	us-gaap	Machinery And Equipment Gross MachineryAndEquipmentGross	10200000	USD
CY2012Q3	us-gaap	Memberships In Exchanges Owned MembershipsInExchangesOwned	10500000	USD
CY2013Q3	us-gaap	Memberships In Exchanges Owned MembershipsInExchangesOwned	10400000	USD
CY2011	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	-200000	USD
CY2013	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-129700000	USD
CY2011	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-48400000	USD
CY2012	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	129000000	USD
CY2011	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-21500000	USD
CY2013	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	5100000	USD
CY2012	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-20000000	USD
CY2012	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-92100000	USD
CY2013	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	44900000	USD
CY2011	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	209000000	USD
CY2012	us-gaap	Net Income Loss NetIncomeLoss	12800000	USD
CY2011	us-gaap	Net Income Loss NetIncomeLoss	34800000	USD
CY2013	us-gaap	Net Income Loss NetIncomeLoss	19300000	USD
CY2013	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	0	USD
CY2012	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	-100000	USD
CY2011	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	-100000	USD
CY2011	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	34800000	USD
CY2013	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	19300000	USD
CY2012	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	12800000	USD
CY2012	us-gaap	Noncontrolling Interest Decrease From Deconsolidation NoncontrollingInterestDecreaseFromDeconsolidation	-1200000	USD
CY2011Q3	us-gaap	Noncurrent Assets NoncurrentAssets	15000000	USD
CY2012Q3	us-gaap	Noncurrent Assets NoncurrentAssets	18900000	USD
CY2013Q3	us-gaap	Noncurrent Assets NoncurrentAssets	17500000	USD
CY2012	us-gaap	Noninterest Expense NoninterestExpense	290400000	USD
CY2013	us-gaap	Noninterest Expense NoninterestExpense	292700000	USD
CY2011	us-gaap	Noninterest Expense NoninterestExpense	252800000	USD
CY2013	us-gaap	Noninterest Expense Commission Expense NoninterestExpenseCommissionExpense	40500000	USD
CY2012	us-gaap	Noninterest Expense Commission Expense NoninterestExpenseCommissionExpense	31000000	USD
CY2011	us-gaap	Noninterest Expense Commission Expense NoninterestExpenseCommissionExpense	24000000	USD
CY2013Q3	us-gaap	Notes Receivable Net NotesReceivableNet	37400000	USD
CY2012Q3	us-gaap	Notes Receivable Net NotesReceivableNet	104000000	USD
CY2012Q3	us-gaap	Notional Amount Of Interest Rate Derivatives NotionalAmountOfInterestRateDerivatives	765000000	USD
CY2013	us-gaap	Number Of Businesses Acquired NumberOfBusinessesAcquired	3	business
CY2012	us-gaap	Number Of Businesses Acquired NumberOfBusinessesAcquired	2	business
CY2012	us-gaap	Occupancy Net OccupancyNet	11000000	USD
CY2013	us-gaap	Occupancy Net OccupancyNet	12000000	USD
CY2011	us-gaap	Occupancy Net OccupancyNet	8900000	USD
CY2013Q3	us-gaap	Operating Leases Future Minimum Payments Due OperatingLeasesFutureMinimumPaymentsDue	34900000	USD
CY2013Q3	us-gaap	Operating Leases Future Minimum Payments Due Current OperatingLeasesFutureMinimumPaymentsDueCurrent	6700000	USD
CY2013Q3	us-gaap	Operating Leases Future Minimum Payments Due In Five Years OperatingLeasesFutureMinimumPaymentsDueInFiveYears	3700000	USD
CY2013Q3	us-gaap	Operating Leases Future Minimum Payments Due In Four Years OperatingLeasesFutureMinimumPaymentsDueInFourYears	4000000	USD
CY2013Q3	us-gaap	Operating Leases Future Minimum Payments Due In Three Years OperatingLeasesFutureMinimumPaymentsDueInThreeYears	4500000	USD
CY2013Q3	us-gaap	Operating Leases Future Minimum Payments Due In Two Years OperatingLeasesFutureMinimumPaymentsDueInTwoYears	5800000	USD
CY2013Q3	us-gaap	Operating Leases Future Minimum Payments Due Thereafter OperatingLeasesFutureMinimumPaymentsDueThereafter	10200000	USD
CY2012Q3	us-gaap	Operating Loss Carryforwards OperatingLossCarryforwards	2800000	USD
CY2013Q3	us-gaap	Operating Loss Carryforwards OperatingLossCarryforwards	11800000	USD
CY2013Q3	us-gaap	Other Commitment Due In Next Twelve Months OtherCommitmentDueInNextTwelveMonths	216600000	USD
CY2012	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax	-1000000	USD
CY2013	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax	1800000	USD
CY2011	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax	-1700000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-1100000	USD
CY2011	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-400000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-1800000	USD
CY2011	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Reclassification Adjustment Realized Upon Sale Or Liquidation Before Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentRealizedUponSaleOrLiquidationBeforeTax	0	USD
CY2013	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Reclassification Adjustment Realized Upon Sale Or Liquidation Before Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentRealizedUponSaleOrLiquidationBeforeTax	-100000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Reclassification Adjustment Realized Upon Sale Or Liquidation Before Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentRealizedUponSaleOrLiquidationBeforeTax	0	USD
	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Reclassification Adjustment Realized Upon Sale Or Liquidation Before Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentRealizedUponSaleOrLiquidationBeforeTax	-100000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	3800000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-4200000	USD
CY2011	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-2900000	USD
CY2011	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	2900000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-3400000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	1600000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Net Unamortized Gain Loss Arising During Period Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax	-4600000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Net Unamortized Gain Loss Arising During Period Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax	2900000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment For Sale Of Securities Included In Net Income Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentForSaleOfSecuritiesIncludedInNetIncomeBeforeTax	-8300000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment For Sale Of Securities Included In Net Income Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentForSaleOfSecuritiesIncludedInNetIncomeBeforeTax	0	USD
CY2011	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment For Sale Of Securities Included In Net Income Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentForSaleOfSecuritiesIncludedInNetIncomeBeforeTax	0	USD
CY2013	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment For Sale Of Securities Included In Net Income Tax OtherComprehensiveIncomeLossReclassificationAdjustmentForSaleOfSecuritiesIncludedInNetIncomeTax	-2000000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment For Sale Of Securities Included In Net Income Tax OtherComprehensiveIncomeLossReclassificationAdjustmentForSaleOfSecuritiesIncludedInNetIncomeTax	0	USD
CY2011	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment For Sale Of Securities Included In Net Income Tax OtherComprehensiveIncomeLossReclassificationAdjustmentForSaleOfSecuritiesIncludedInNetIncomeTax	0	USD
CY2012	us-gaap	Other Comprehensive Income Reclassification Of Defined Benefit Plans Net Gain Loss Recognized In Net Periodic Benefit Cost Before Tax OtherComprehensiveIncomeReclassificationOfDefinedBenefitPlansNetGainLossRecognizedInNetPeriodicBenefitCostBeforeTax	-400000	USD
CY2013	us-gaap	Other Comprehensive Income Reclassification Of Defined Benefit Plans Net Gain Loss Recognized In Net Periodic Benefit Cost Before Tax OtherComprehensiveIncomeReclassificationOfDefinedBenefitPlansNetGainLossRecognizedInNetPeriodicBenefitCostBeforeTax	-800000	USD
CY2011	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	1000000	USD
CY2012	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	0	USD
CY2013	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	0	USD
CY2013	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax	0	USD
CY2011	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax	600000	USD
CY2012	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax	0	USD
CY2011	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-600000	USD
CY2012	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	6500000	USD
CY2013	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	600000	USD
CY2011	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	-300000	USD
CY2012	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	2200000	USD
CY2013	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	-1600000	USD
CY2011	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	21400000	USD
CY2013	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	23200000	USD
CY2012	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	21600000	USD
CY2012	us-gaap	Other Income OtherIncome	500000	USD
CY2011	us-gaap	Other Income OtherIncome	1000000	USD
CY2013	us-gaap	Other Income OtherIncome	900000	USD
CY2011	us-gaap	Other Noninterest Expense OtherNoninterestExpense	21400000	USD
CY2012	us-gaap	Other Noninterest Expense OtherNoninterestExpense	21600000	USD
CY2013	us-gaap	Other Noninterest Expense OtherNoninterestExpense	23200000	USD
CY2013Q3	us-gaap	Payables To Broker Dealers And Clearing Organizations PayablesToBrokerDealersAndClearingOrganizations	17000000	USD
CY2012Q3	us-gaap	Payables To Broker Dealers And Clearing Organizations PayablesToBrokerDealersAndClearingOrganizations	39400000	USD
CY2013Q3	us-gaap	Payables To Customers PayablesToCustomers	2091800000	USD
CY2012Q3	us-gaap	Payables To Customers PayablesToCustomers	2072300000	USD
CY2011	us-gaap	Payments For Proceeds From Businesses And Interest In Affiliates PaymentsForProceedsFromBusinessesAndInterestInAffiliates	0	USD
CY2013	us-gaap	Payments For Proceeds From Businesses And Interest In Affiliates PaymentsForProceedsFromBusinessesAndInterestInAffiliates	-200000	USD
CY2012	us-gaap	Payments For Proceeds From Businesses And Interest In Affiliates PaymentsForProceedsFromBusinessesAndInterestInAffiliates	0	USD
CY2012	us-gaap	Payments For Proceeds From Previous Acquisition PaymentsForProceedsFromPreviousAcquisition	9600000	USD
CY2013	us-gaap	Payments For Proceeds From Previous Acquisition PaymentsForProceedsFromPreviousAcquisition	12000000	USD
CY2011	us-gaap	Payments For Proceeds From Previous Acquisition PaymentsForProceedsFromPreviousAcquisition	9400000	USD
CY2012	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	4000000	USD
CY2013	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	3900000	USD
CY2011	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	0	USD
CY2011	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	2400000	USD
CY2013	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	3700000	USD
CY2012	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	300000	USD
CY2012	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	11700000	USD
CY2011	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	9300000	USD
CY2013	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	0	USD
CY2012	us-gaap	Payments To Acquire Other Productive Assets PaymentsToAcquireOtherProductiveAssets	0	USD
CY2013	us-gaap	Payments To Acquire Other Productive Assets PaymentsToAcquireOtherProductiveAssets	300000	USD
CY2011	us-gaap	Payments To Acquire Other Productive Assets PaymentsToAcquireOtherProductiveAssets	3400000	USD
CY2011	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	10100000	USD
CY2013	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	4900000	USD
CY2012	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	8700000	USD
CY2013Q3	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2012Q3	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2012Q3	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	1000000	shares
CY2013Q3	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	1000000	shares
CY2013Q3	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2012Q3	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2012Q3	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2013Q3	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2013Q3	us-gaap	Preferred Stock Value Outstanding PreferredStockValueOutstanding	0	USD
CY2012Q3	us-gaap	Preferred Stock Value Outstanding PreferredStockValueOutstanding	0	USD
CY2012Q3	us-gaap	Prepaid Expense And Other Assets PrepaidExpenseAndOtherAssets	34300000	USD
CY2013Q3	us-gaap	Prepaid Expense And Other Assets PrepaidExpenseAndOtherAssets	31800000	USD
CY2012	us-gaap	Proceeds From Divestiture Of Interest In Subsidiaries And Affiliates ProceedsFromDivestitureOfInterestInSubsidiariesAndAffiliates	400000	USD
CY2013	us-gaap	Proceeds From Divestiture Of Interest In Subsidiaries And Affiliates ProceedsFromDivestitureOfInterestInSubsidiariesAndAffiliates	0	USD
CY2011	us-gaap	Proceeds From Divestiture Of Interest In Subsidiaries And Affiliates ProceedsFromDivestitureOfInterestInSubsidiariesAndAffiliates	0	USD
CY2012	us-gaap	Proceeds From Issuance Of Senior Long Term Debt ProceedsFromIssuanceOfSeniorLongTermDebt	0	USD
CY2013	us-gaap	Proceeds From Issuance Of Senior Long Term Debt ProceedsFromIssuanceOfSeniorLongTermDebt	45500000	USD
CY2011	us-gaap	Proceeds From Issuance Of Senior Long Term Debt ProceedsFromIssuanceOfSeniorLongTermDebt	0	USD
CY2013	us-gaap	Proceeds From Repayments Of Debt ProceedsFromRepaymentsOfDebt	-157200000	USD
CY2012	us-gaap	Proceeds From Repayments Of Debt ProceedsFromRepaymentsOfDebt	140800000	USD
CY2011	us-gaap	Proceeds From Repayments Of Debt ProceedsFromRepaymentsOfDebt	-37500000	USD
CY2013	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	8600000	USD
CY2012	us-gaap	Proceeds From Sale Of Productive Assets ProceedsFromSaleOfProductiveAssets	0	USD
CY2011	us-gaap	Proceeds From Sale Of Productive Assets ProceedsFromSaleOfProductiveAssets	1300000	USD
CY2013	us-gaap	Proceeds From Sale Of Productive Assets ProceedsFromSaleOfProductiveAssets	10100000	USD
CY2012	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	1900000	USD
CY2013	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	1500000	USD
CY2011	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	1400000	USD
CY2011	us-gaap	Professional Fees ProfessionalFees	10600000	USD
CY2012	us-gaap	Professional Fees ProfessionalFees	12900000	USD
CY2013	us-gaap	Professional Fees ProfessionalFees	13100000	USD
CY2012	us-gaap	Profit Loss ProfitLoss	12700000	USD
CY2013	us-gaap	Profit Loss ProfitLoss	19300000	USD
CY2011	us-gaap	Profit Loss ProfitLoss	34700000	USD
CY2012Q3	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	28500000	USD
CY2013Q3	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	31800000	USD
CY2013Q3	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	17500000	USD
CY2012Q3	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	18900000	USD
CY2013	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	200000	USD
CY2011	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	6800000	USD
CY2012	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	500000	USD
CY2013Q3	us-gaap	Purchase Obligation Due After Fifth Year PurchaseObligationDueAfterFifthYear	1600000	USD
CY2013Q3	us-gaap	Purchase Obligation Due In Fourth And Fifth Year PurchaseObligationDueInFourthAndFifthYear	3400000	USD
CY2013Q3	us-gaap	Purchase Obligation Due In Next Twelve Months PurchaseObligationDueInNextTwelveMonths	298700000	USD
CY2013Q3	us-gaap	Purchase Obligation Due In Second And Third Year PurchaseObligationDueInSecondAndThirdYear	6800000	USD
CY2013Q3	us-gaap	Ratio Of Indebtedness To Net Capital1 RatioOfIndebtednessToNetCapital1	15
CY2013Q3	us-gaap	Receivables From Brokers Dealers And Clearing Organizations ReceivablesFromBrokersDealersAndClearingOrganizations	168300000	USD
CY2012Q3	us-gaap	Receivables From Brokers Dealers And Clearing Organizations ReceivablesFromBrokersDealersAndClearingOrganizations	116800000	USD
CY2013Q3	us-gaap	Receivables From Clearing Organizations ReceivablesFromClearingOrganizations	1576600000	USD
CY2012Q3	us-gaap	Receivables From Clearing Organizations ReceivablesFromClearingOrganizations	1619800000	USD
CY2013	us-gaap	Reclassifications Reclassifications	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-bottom:8px;padding-top:8px;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-style:italic;font-weight:bold;">Reclassifications </font></div><div style="line-height:120%;padding-bottom:8px;padding-top:8px;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Certain amounts previously reported have been reclassified to conform to the current period presentation. The reclassifications were made to change the income statement presentation to provide the users of the financial statements additional information related to the operating results of the Company. These reclassifications include reclassifying transaction-based clearing expenses and introducing broker commissions separately from compensation and other expenses, and as components along with interest expense in arriving at net operating revenues. Additionally, travel and business development expenses were previously included in ‘other’ expense. The reclassifications had no effect on consolidated net income or consolidated assets and liabilities.</font></div></div>
CY2013	us-gaap	Repayments Of Subordinated Debt RepaymentsOfSubordinatedDebt	0	USD
CY2012	us-gaap	Repayments Of Subordinated Debt RepaymentsOfSubordinatedDebt	0	USD
CY2011	us-gaap	Repayments Of Subordinated Debt RepaymentsOfSubordinatedDebt	500000	USD
CY2012Q3	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	106100000	USD
CY2013Q3	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	125400000	USD
CY2013	us-gaap	Revenues Revenues	43768300000	USD
CY2011	us-gaap	Revenues Revenues	72891300000	USD
CY2012	us-gaap	Revenues Revenues	67959300000	USD
CY2013	us-gaap	Revenues Net Of Interest Expense RevenuesNetOfInterestExpense	315300000	USD
CY2011	us-gaap	Revenues Net Of Interest Expense RevenuesNetOfInterestExpense	308200000	USD
CY2012	us-gaap	Revenues Net Of Interest Expense RevenuesNetOfInterestExpense	306200000	USD
CY2011	us-gaap	Sales Revenue Goods Net SalesRevenueGoodsNet	72521200000	USD
CY2012	us-gaap	Sales Revenue Goods Net SalesRevenueGoodsNet	67514700000	USD
CY2013	us-gaap	Sales Revenue Goods Net SalesRevenueGoodsNet	43283700000	USD
CY2013Q3	us-gaap	Senior Notes SeniorNotes	45500000	USD
CY2013Q3	us-gaap	Securities Segregated Under Commodity Exchange Act Regulation SecuritiesSegregatedUnderCommodityExchangeActRegulation	0	USD
CY2012Q3	us-gaap	Securities Segregated Under Commodity Exchange Act Regulation SecuritiesSegregatedUnderCommodityExchangeActRegulation	0	USD
CY2013Q3	us-gaap	Securities Segregated Under Other Regulations SecuritiesSegregatedUnderOtherRegulations	0	USD
CY2012Q3	us-gaap	Securities Segregated Under Other Regulations SecuritiesSegregatedUnderOtherRegulations	3300000	USD
CY2012Q3	us-gaap	Senior Notes SeniorNotes	0	USD
CY2012	us-gaap	Share Based Compensation ShareBasedCompensation	5900000	USD
CY2011	us-gaap	Share Based Compensation ShareBasedCompensation	2300000	USD
CY2013	us-gaap	Share Based Compensation ShareBasedCompensation	9300000	USD
CY2013	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeited In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod	-10470	shares
CY2013	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeitures Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue	22.62
CY2013	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod	268885	shares
CY2013	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	17.92
CY2013Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedIntrinsicValue	7400000
CY2012Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedIntrinsicValue	9800000
CY2012Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber	512124	shares
CY2013Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber	363638	shares
CY2012Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue	22.09
CY2013Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue	20.53
CY2013	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Outstanding Weighted Average Remaining Contractual Terms ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageRemainingContractualTerms	P1Y8M27D
CY2012	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Outstanding Weighted Average Remaining Contractual Terms ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageRemainingContractualTerms	P1Y9M22D
CY2013	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Period Increase Decrease ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsPeriodIncreaseDecrease	268885	shares
CY2013	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod	406901	shares
CY2013	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue	20.72
CY2012	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0.00
CY2013	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0.00
CY2011	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0.00
CY2013	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.35
CY2011	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.77
CY2012	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.57
CY2011	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.0072
CY2012	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.0153
CY2013	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.0037
CY2013	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Non Option Equity Instruments Forfeitures ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsForfeitures	3633	shares
CY2013	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Non Option Equity Instruments Granted ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsGranted	1154862	shares
CY2012	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Non Option Equity Instruments Granted ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsGranted	1420114	shares
CY2013	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Additional Shares Authorized ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAdditionalSharesAuthorized	1000000	shares
CY2012Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Authorized ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized	1000000	shares
CY2013Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant	1000000	shares
CY2012Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant	921412	shares
CY2013Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	680820	shares
CY2013Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	27.47
CY2013	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	2000000	USD
CY2012	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	3000000	USD
CY2011	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	1600000	USD
CY2013	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Expirations In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod	667	shares
CY2013	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	0	shares
CY2013	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	100000	shares
CY2013	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	4.21
CY2012	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	13.57
CY2011	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	11.66
CY2013	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Other Increases Decreases In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOtherIncreasesDecreasesInPeriod	-32738	shares
CY2013Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	4800000	USD
CY2012Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	6000000	USD
CY2013Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	1779983	shares
CY2012Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	1890634	shares
CY2013	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Period Increase Decrease ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingPeriodIncreaseDecrease	100000	shares
CY2013Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	24.76
CY2012Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	23.36
CY2012	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Shares Issued In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod	1500000	shares
CY2013	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	8.40
CY2013	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Expirations In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice	23.49
CY2013	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	10.35
CY2013	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	17.53
CY2013Q3	us-gaap	Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Number Of Outstanding Options ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions	1779983	shares
CY2011	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P2Y11M9D
CY2012	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P7Y10M10D
CY2013	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P2Y10M17D
CY2013Q3	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	3100000	USD
CY2013	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1	P1Y10M28D
CY2012	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P5Y5M12D
CY2013	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P4Y10M13D
CY2013Q3	us-gaap	Sharebased Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Outstanding Options Weighted Average Exercise Price Beginning Balance1 SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1	24.76
CY2013	us-gaap	Sharebased Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Outstanding Options Weighted Average Remaining Contractual Term2 SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageRemainingContractualTerm2	P4Y10M13D
CY2013Q2	us-gaap	Significant Acquisitions And Disposals Acquisition Costs Or Sale Proceeds SignificantAcquisitionsAndDisposalsAcquisitionCostsOrSaleProceeds	800000	USD
CY2013	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	177246	shares
CY2011	us-gaap	Stock Issued During Period Value Conversion Of Convertible Securities Net Of Adjustments StockIssuedDuringPeriodValueConversionOfConvertibleSecuritiesNetOfAdjustments	16700000	USD
CY2013	us-gaap	Stock Issued During Period Value Conversion Of Convertible Securities Net Of Adjustments StockIssuedDuringPeriodValueConversionOfConvertibleSecuritiesNetOfAdjustments	0	USD
CY2012	us-gaap	Stock Issued During Period Value Conversion Of Convertible Securities Net Of Adjustments StockIssuedDuringPeriodValueConversionOfConvertibleSecuritiesNetOfAdjustments	0	USD
CY2013	us-gaap	Stock Issued During Period Value Other StockIssuedDuringPeriodValueOther	200000	USD
CY2011	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	1400000	USD
CY2012	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	2100000	USD
CY2013	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	1500000	USD
CY2012	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	-4000000	USD
CY2013	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	-3900000	USD
CY2013Q3	us-gaap	Stockholders Equity StockholdersEquity	335400000	USD
CY2012Q3	us-gaap	Stockholders Equity StockholdersEquity	313200000	USD
CY2011Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	293900000	USD
CY2013Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	335400000	USD
CY2012Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	313200000	USD
CY2012	us-gaap	Trading Gains Losses TradingGainsLosses	244900000	USD
CY2013	us-gaap	Trading Gains Losses TradingGainsLosses	265000000	USD
CY2011	us-gaap	Trading Gains Losses TradingGainsLosses	201600000	USD
CY2013	us-gaap	Travel And Entertainment Expense TravelAndEntertainmentExpense	10700000	USD
CY2011	us-gaap	Travel And Entertainment Expense TravelAndEntertainmentExpense	8900000	USD
CY2012	us-gaap	Travel And Entertainment Expense TravelAndEntertainmentExpense	11200000	USD
CY2013Q3	us-gaap	Treasury Stock Shares TreasuryStockShares	429173	shares
CY2012Q3	us-gaap	Treasury Stock Shares TreasuryStockShares	229064	shares
CY2012Q3	us-gaap	Treasury Stock Value TreasuryStockValue	4100000	USD
CY2013Q3	us-gaap	Treasury Stock Value TreasuryStockValue	7800000	USD
CY2013	us-gaap	Undistributed Earnings Allocated To Participating Securities UndistributedEarningsAllocatedToParticipatingSecurities	-800000	USD
CY2012	us-gaap	Undistributed Earnings Allocated To Participating Securities UndistributedEarningsAllocatedToParticipatingSecurities	-500000	USD
CY2011	us-gaap	Undistributed Earnings Allocated To Participating Securities UndistributedEarningsAllocatedToParticipatingSecurities	-900000	USD
CY2013Q3	us-gaap	Undistributed Earnings Of Foreign Subsidiaries UndistributedEarningsOfForeignSubsidiaries	123100000	USD
CY2012Q3	us-gaap	Undistributed Earnings Of Foreign Subsidiaries UndistributedEarningsOfForeignSubsidiaries	93800000	USD
CY2011Q3	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	900000	USD
CY2012Q3	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	500000	USD
CY2010Q3	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	0	USD
CY2013Q3	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	100000	USD
CY2011	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	0	USD
CY2013	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	-200000	USD
CY2012	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	-100000	USD
CY2012	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	-100000	USD
CY2011	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	0	USD
CY2013	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	-200000	USD
CY2013Q3	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	0	USD
CY2012Q3	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	200000	USD
CY2013	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Expense UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense	-200000	USD
CY2011	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Expense UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense	200000	USD
CY2012	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Expense UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense	300000	USD
CY2013	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	100000	USD
CY2012	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	0	USD
CY2011	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	0	USD
CY2011	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	900000	USD
CY2013	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	0	USD
CY2012	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	0	USD
CY2012	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	-200000	USD
CY2013	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	-100000	USD
CY2011	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	0	USD
CY2013Q3	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	100000	USD
CY2013	us-gaap	Use Of Estimates UseOfEstimates	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-bottom:8px;padding-top:8px;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-style:italic;font-weight:bold;">Use of Estimates </font></div><div style="line-height:120%;padding-bottom:8px;padding-top:8px;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">The preparation of consolidated financial statements in conformity with accounting principles generally accepted in the United States of America (“U.S. GAAP”) requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities, disclosure of contingent liabilities as of the date of the financial statements and the reported amounts of revenue and expenses during the reporting period. The most significant of these estimates and assumptions relate to fair value measurements for financial instruments and investments, revenue recognition, the provision for potential losses from bad debts, valuation of inventories, valuation of goodwill and intangible assets, incomes taxes and contingencies. These estimates are based on management’s best knowledge of current events and actions the Company may undertake in the future. The Company reviews all significant estimates affecting the financial statements on a recurring basis and records the effect of any necessary adjustments prior to their issuance. Although these and other estimates and assumptions are based on the best available information, actual results could be materially different from these estimates. </font></div></div>
CY2013	us-gaap	Valuation Allowance Deferred Tax Asset Change In Amount ValuationAllowanceDeferredTaxAssetChangeInAmount	1800000	USD
CY2012	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	19156899	shares
CY2013	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	19068497	shares
CY2011	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	18567454	shares
CY2013	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	18443233	shares
CY2011	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	17618085	shares
CY2012	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	18282939	shares
CY2012Q3	intl	Accounts Payable And Other Accrued Liabilities Contingent Consideration Fair Value AccountsPayableAndOtherAccruedLiabilitiesContingentConsiderationFairValue	14800000	USD
CY2013Q3	intl	Accounts Payable And Other Accrued Liabilities Contingent Consideration Fair Value AccountsPayableAndOtherAccruedLiabilitiesContingentConsiderationFairValue	9600000	USD
CY2012Q4	intl	Accumulated Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax Lme Shares AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTaxLmeShares	-6300000	USD
CY2011Q3	intl	Allowance For Doubtful Accounts Customer And Notes Receivable AllowanceForDoubtfulAccountsCustomerAndNotesReceivable	11900000	USD
CY2012Q3	intl	Allowance For Doubtful Accounts Customer And Notes Receivable AllowanceForDoubtfulAccountsCustomerAndNotesReceivable	1000000	USD
CY2010Q3	intl	Allowance For Doubtful Accounts Customer And Notes Receivable AllowanceForDoubtfulAccountsCustomerAndNotesReceivable	119200000	USD
CY2013Q3	intl	Allowance For Doubtful Accounts Customer And Notes Receivable AllowanceForDoubtfulAccountsCustomerAndNotesReceivable	1200000	USD
CY2013Q3	intl	Amounts Held By Clearing Organizations Segregated Under Other Regulations AmountsHeldByClearingOrganizationsSegregatedUnderOtherRegulations	0	USD
CY2012Q3	intl	Amounts Held By Clearing Organizations Segregated Under Other Regulations AmountsHeldByClearingOrganizationsSegregatedUnderOtherRegulations	20800000	USD
CY2012Q3	intl	Amounts Held By Members Of Foreign Boards Of Trade Segregated Under Other Regulations AmountsHeldByMembersOfForeignBoardsOfTradeSegregatedUnderOtherRegulations	30100000	USD
CY2013Q3	intl	Amounts Held By Members Of Foreign Boards Of Trade Segregated Under Other Regulations AmountsHeldByMembersOfForeignBoardsOfTradeSegregatedUnderOtherRegulations	21300000	USD
CY2013Q3	intl	Cash And Securities Segregated Under Commodity Exchange Act Regulation Amount Required To Be Segregated CashAndSecuritiesSegregatedUnderCommodityExchangeActRegulationAmountRequiredToBeSegregated	-1669600000	USD
CY2012Q3	intl	Cash And Securities Segregated Under Commodity Exchange Act Regulation Amount Required To Be Segregated CashAndSecuritiesSegregatedUnderCommodityExchangeActRegulationAmountRequiredToBeSegregated	-1620500000	USD
CY2013Q3	intl	Cash And Securities Segregated Under Commodity Exchange Act Regulation Excess Funds In Segregation CashAndSecuritiesSegregatedUnderCommodityExchangeActRegulationExcessFundsInSegregation	23900000	USD
CY2012Q3	intl	Cash And Securities Segregated Under Commodity Exchange Act Regulation Excess Funds In Segregation CashAndSecuritiesSegregatedUnderCommodityExchangeActRegulationExcessFundsInSegregation	45000000	USD
CY2013Q3	intl	Cash Heldat Banksand Money Market Funds Segregated CashHeldatBanksandMoneyMarketFundsSegregated	416800000	USD
CY2012Q3	intl	Cash Heldat Banksand Money Market Funds Segregated CashHeldatBanksandMoneyMarketFundsSegregated	284700000	USD
CY2013Q3	intl	Cashand Cash Equivalents Depositsand Receivables CashandCashEquivalentsDepositsandReceivables	1000000000	USD
CY2012Q3	intl	Cashand Cash Equivalents Depositsand Receivables CashandCashEquivalentsDepositsandReceivables	400000000	USD
CY2013	intl	Closed Derivative Contracts Deficit Balance ClosedDerivativeContractsDeficitBalance	0	USD
CY2011	intl	Closed Derivative Contracts Deficit Balance ClosedDerivativeContractsDeficitBalance	2500000	USD
CY2012	intl	Closed Derivative Contracts Deficit Balance ClosedDerivativeContractsDeficitBalance	0	USD
CY2013Q3	intl	Commodities Warehouse Receipts CommoditiesWarehouseReceipts	13100000	USD
CY2012Q3	intl	Commodities Warehouse Receipts CommoditiesWarehouseReceipts	22300000	USD
CY2013	intl	Costs Not Allocated CostsNotAllocated	91700000	USD
CY2011	intl	Costs Not Allocated CostsNotAllocated	74400000	USD
CY2012	intl	Costs Not Allocated CostsNotAllocated	90800000	USD
CY2013	intl	Customer Segregated Transfers Of Funds CustomerSegregatedTransfersOfFunds	1100000	USD
CY2013Q3	intl	Debt Instrument Call Feature Redemption Price Percentageof Principal DebtInstrumentCallFeatureRedemptionPricePercentageofPrincipal	1
CY2013Q3	intl	Deferred Tax Assets Netof Valuation Allowance Operating Loss Carryforwards Stateand Local DeferredTaxAssetsNetofValuationAllowanceOperatingLossCarryforwardsStateandLocal	4500000	USD
CY2011	intl	Diluted Net Income Allocated To Common Stockholders DilutedNetIncomeAllocatedToCommonStockholders	33900000	USD
CY2012	intl	Diluted Net Income Allocated To Common Stockholders DilutedNetIncomeAllocatedToCommonStockholders	12300000	USD
CY2013	intl	Diluted Net Income Allocated To Common Stockholders DilutedNetIncomeAllocatedToCommonStockholders	18500000	USD
CY2013	intl	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition Restricted Stock EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognitionRestrictedStock	P1Y8M27D
CY2013Q3	intl	Equities With Futures Commission Merchants Segregated Under Other Regulations EquitiesWithFuturesCommissionMerchantsSegregatedUnderOtherRegulations	27000000	USD
CY2012Q3	intl	Equities With Futures Commission Merchants Segregated Under Other Regulations EquitiesWithFuturesCommissionMerchantsSegregatedUnderOtherRegulations	9900000	USD
CY2012Q3	intl	Equity Investments In Exchange Stock Cost EquityInvestmentsInExchangeStockCost	4400000	USD
CY2013Q3	intl	Equity Investments In Exchange Stock Cost EquityInvestmentsInExchangeStockCost	3700000	USD
CY2013Q3	intl	Equity Investments In Exchange Stock Fair Value EquityInvestmentsInExchangeStockFairValue	4400000	USD
CY2012Q3	intl	Equity Investments In Exchange Stock Fair Value EquityInvestmentsInExchangeStockFairValue	12400000	USD
CY2012Q4	intl	Deferred Tax Liabilities Accumulated Other Comprehensive Income Lme Shares DeferredTaxLiabilitiesAccumulatedOtherComprehensiveIncomeLmeShares	2000000	USD
CY2013Q3	intl	Deferred Taxes Accumulated Other Comprehensive Income Afs DeferredTaxesAccumulatedOtherComprehensiveIncomeAFS	-300000	USD
CY2012Q3	intl	Deferred Taxes Accumulated Other Comprehensive Income Afs DeferredTaxesAccumulatedOtherComprehensiveIncomeAFS	2000000	USD
CY2013	intl	Defined Benefit Plan Amounts Recognized In Net Periodic Benefit Cost And Other Comprehensive Income Loss Net Gain Loss Before Tax DefinedBenefitPlanAmountsRecognizedInNetPeriodicBenefitCostAndOtherComprehensiveIncomeLossNetGainLossBeforeTax	-4900000	USD
CY2012	intl	Defined Benefit Plan Amounts Recognized In Net Periodic Benefit Cost And Other Comprehensive Income Loss Net Gain Loss Before Tax DefinedBenefitPlanAmountsRecognizedInNetPeriodicBenefitCostAndOtherComprehensiveIncomeLossNetGainLossBeforeTax	3000000	USD
CY2013Q3	intl	Defined Benefit Plan Assumptions Used Calculating Benefit Obligation Expected Longterm Returnon Assets DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationExpectedLongtermReturnonAssets	0.0700
CY2012Q3	intl	Defined Benefit Plan Assumptions Used Calculating Benefit Obligation Expected Longterm Returnon Assets DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationExpectedLongtermReturnonAssets	0.0700
CY2013Q3	intl	Defined Benefit Plan Expected Future Benefit Payments Total DefinedBenefitPlanExpectedFutureBenefitPaymentsTotal	24400000	USD
CY2013Q3	intl	Deposits And Receivables From Bds And Counterparties At Fair Value DepositsAndReceivablesFromBdsAndCounterpartiesAtFairValue	-13100000	USD
CY2012Q3	intl	Deposits And Receivables From Bds And Counterparties At Fair Value DepositsAndReceivablesFromBdsAndCounterpartiesAtFairValue	-700000	USD
CY2012Q3	intl	Deposits And Receivables From Exchange Clearing Orgs Fair Value DepositsAndReceivablesFromExchangeClearingOrgsFairValue	1510000000	USD
CY2013Q3	intl	Deposits And Receivables From Exchange Clearing Orgs Fair Value DepositsAndReceivablesFromExchangeClearingOrgsFairValue	1371700000	USD
CY2012Q3	intl	Deposits With And Receivables From Clearing Organizations Segregated Under Commodity Exchange Act Regulation DepositsWithAndReceivablesFromClearingOrganizationsSegregatedUnderCommodityExchangeActRegulation	1370400000	USD
CY2013Q3	intl	Deposits With And Receivables From Clearing Organizations Segregated Under Commodity Exchange Act Regulation DepositsWithAndReceivablesFromClearingOrganizationsSegregatedUnderCommodityExchangeActRegulation	1413300000	USD
CY2013	intl	Excess Segregated Funds Invested ExcessSegregatedFundsInvested	21900000	USD
CY2013	intl	Excess Segregated Funds Returned ExcessSegregatedFundsReturned	15500000	USD
CY2013Q3	intl	Fair Valueof Exchange Memberships FairValueofExchangeMemberships	8500000	USD
CY2012Q3	intl	Fair Valueof Exchange Memberships FairValueofExchangeMemberships	8900000	USD
CY2013Q3	intl	Finite And Indefinited Lived Accumulated Amortization And Impairment Charges FiniteAndIndefinitedLivedAccumulatedAmortizationAndImpairmentCharges	-8500000	USD
CY2012Q3	intl	Finite And Indefinited Lived Accumulated Amortization And Impairment Charges FiniteAndIndefinitedLivedAccumulatedAmortizationAndImpairmentCharges	-6300000	USD
CY2013	intl	Gain Loss On Sale Of Exchange Shares GainLossOnSaleOfExchangeShares	900000	USD
CY2013	intl	Goodwill And Intangible Assets Acquired During Period GoodwillAndIntangibleAssetsAcquiredDuringPeriod	5600000	USD
CY2012	intl	Goodwill And Intangible Assets Acquired During Period GoodwillAndIntangibleAssetsAcquiredDuringPeriod	1800000	USD
CY2011	intl	Goodwill And Intangible Assets Acquired During Period GoodwillAndIntangibleAssetsAcquiredDuringPeriod	4900000	USD
CY2012Q3	intl	Goodwill And Intangible Assets Net GoodwillAndIntangibleAssetsNet	55800000	USD
CY2013Q3	intl	Goodwill And Intangible Assets Net GoodwillAndIntangibleAssetsNet	59100000	USD
CY2013Q3	intl	Goodwill Expected Tax Deductible Amount GoodwillExpectedTaxDeductibleAmount	5600000	USD
CY2011Q3	intl	Goodwill Expected Tax Deductible Amount GoodwillExpectedTaxDeductibleAmount	4900000	USD
CY2012Q3	intl	Goodwill Expected Tax Deductible Amount GoodwillExpectedTaxDeductibleAmount	700000	USD
CY2013Q3	intl	Gross Finite And Indefinite Lived Intangible Assets GrossFiniteAndIndefiniteLivedIntangibleAssets	20100000	USD
CY2012Q3	intl	Gross Finite And Indefinite Lived Intangible Assets GrossFiniteAndIndefiniteLivedIntangibleAssets	17400000	USD
CY2012	intl	Income From Continuing Operations Allocated To Common Stockholders IncomeFromContinuingOperationsAllocatedToCommonStockholders	12300000	USD
CY2013	intl	Income From Continuing Operations Allocated To Common Stockholders IncomeFromContinuingOperationsAllocatedToCommonStockholders	18500000	USD
CY2011	intl	Income From Continuing Operations Allocated To Common Stockholders IncomeFromContinuingOperationsAllocatedToCommonStockholders	33700000	USD
CY2013	intl	Income From Discontinued Operations Allocated To Common Stockholders IncomeFromDiscontinuedOperationsAllocatedToCommonStockholders	0	USD
CY2013	intl	Number Of Different Types Of Foreign Currencies NumberOfDifferentTypesOfForeignCurrencies	130
CY2013	intl	Numberofaccountsforcustomerscompanywide Numberofaccountsforcustomerscompanywide	20000
CY2012Q3	intl	Obligationsforparticipationrights Obligationsforparticipationrights	800000	USD
CY2013Q3	intl	Obligationsforparticipationrights Obligationsforparticipationrights	18700000	USD
CY2013	intl	Pre And Post Transfers Of Funds PreAndPostTransfersOfFunds	15500000	USD
CY2013	intl	Proceeds From Shares Of Exchanges Sold ProceedsFromSharesOfExchangesSold	1500000	USD
CY2012	intl	Provision For Doubtful Accounts And Impairment Charges ProvisionForDoubtfulAccountsAndImpairmentCharges	1500000	USD
CY2012	intl	Income From Discontinued Operations Allocated To Common Stockholders IncomeFromDiscontinuedOperationsAllocatedToCommonStockholders	0	USD
CY2011	intl	Income From Discontinued Operations Allocated To Common Stockholders IncomeFromDiscontinuedOperationsAllocatedToCommonStockholders	200000	USD
CY2012Q3	intl	Insured Short Term Notes Receivable InsuredShortTermNotesReceivable	10200000	USD
CY2013Q3	intl	Insured Short Term Notes Receivable InsuredShortTermNotesReceivable	21100000	USD
CY2012Q3	intl	Level3 Assets For Which Company Bears Economic Exposure Level3AssetsForWhichCompanyBearsEconomicExposure	4500000	USD
CY2013Q3	intl	Level3 Assets For Which Company Bears Economic Exposure Level3AssetsForWhichCompanyBearsEconomicExposure	4200000	USD
CY2013Q3	intl	Level3 Assets For Which Company Bears Economic Exposure As Percertange Of Total Assets Level3AssetsForWhichCompanyBearsEconomicExposureAsPercertangeOfTotalAssets	0.001
CY2012Q3	intl	Level3 Assets For Which Company Bears Economic Exposure As Percertange Of Total Assets Level3AssetsForWhichCompanyBearsEconomicExposureAsPercertangeOfTotalAssets	0.002
CY2012	intl	Losson Suriwongse Debt Investment LossonSuriwongseDebtInvestment	-1700000	USD
CY2011	intl	Net Contribution NetContribution	225400000	USD
CY2013	intl	Net Contribution NetContribution	234100000	USD
CY2012	intl	Net Contribution NetContribution	225200000	USD
CY2012	intl	Net Segment Income NetSegmentIncome	106600000	USD
CY2011	intl	Net Segment Income NetSegmentIncome	129800000	USD
CY2013	intl	Net Segment Income NetSegmentIncome	114300000	USD
CY2013Q3	intl	Number Of Credit Facilities NumberOfCreditFacilities	3
CY2013	intl	Number Of Customers Company Wide NumberOfCustomersCompanyWide	11000
CY2013	intl	Provision For Doubtful Accounts And Impairment Charges ProvisionForDoubtfulAccountsAndImpairmentCharges	800000	USD
CY2011	intl	Provision For Doubtful Accounts And Impairment Charges ProvisionForDoubtfulAccountsAndImpairmentCharges	6200000	USD
CY2012	intl	Provisionfor Doubtful Accountsand Chargeoffs ProvisionforDoubtfulAccountsandChargeoffs	400000	USD
CY2011	intl	Provisionfor Doubtful Accountsand Chargeoffs ProvisionforDoubtfulAccountsandChargeoffs	7200000	USD
CY2013	intl	Provisionfor Doubtful Accountsand Chargeoffs ProvisionforDoubtfulAccountsandChargeoffs	200000	USD
CY2013	intl	Provisionfor Doubtful Accountsand Impairment Charges Cash Flows ProvisionforDoubtfulAccountsandImpairmentChargesCashFlows	800000	USD
CY2012	intl	Provisionfor Doubtful Accountsand Impairment Charges Cash Flows ProvisionforDoubtfulAccountsandImpairmentChargesCashFlows	1700000	USD
CY2011	intl	Provisionfor Doubtful Accountsand Impairment Charges Cash Flows ProvisionforDoubtfulAccountsandImpairmentChargesCashFlows	6200000	USD
CY2013Q3	intl	Ratio Of Indebtedness To Net Capital Equity Withdrawal RatioOfIndebtednessToNetCapitalEquityWithdrawal	10
CY2013	intl	Reclassification Adjustments For Gains Losses Included In Net Income ReclassificationAdjustmentsForGainsLossesIncludedInNetIncome	-6400000	USD
CY2011	intl	Reclassification Adjustments For Gains Losses Included In Net Income ReclassificationAdjustmentsForGainsLossesIncludedInNetIncome	0	USD
CY2012	intl	Reclassification Adjustments For Gains Losses Included In Net Income ReclassificationAdjustmentsForGainsLossesIncludedInNetIncome	0	USD
CY2013Q2	intl	Sales Repurchase Agreements SalesRepurchaseAgreements	9200000	USD
CY2012Q3	intl	Sales Repurchase Agreements SalesRepurchaseAgreements	92500000	USD
CY2013Q3	intl	Secured Funds SecuredFunds	82500000	USD
CY2012Q3	intl	Secured Funds SecuredFunds	89300000	USD
CY2013Q3	intl	Secured Funds Required Under Commodity Exchange Act SecuredFundsRequiredUnderCommodityExchangeAct	-59800000	USD
CY2012Q3	intl	Secured Funds Required Under Commodity Exchange Act SecuredFundsRequiredUnderCommodityExchangeAct	-77600000	USD
CY2012Q3	intl	Securities And Other Assets Segregated Fair Value SecuritiesAndOtherAssetsSegregatedFairValue	72800000	USD
CY2013Q3	intl	Securities And Other Assets Segregated Fair Value SecuritiesAndOtherAssetsSegregatedFairValue	107600000	USD
CY2012Q3	intl	Securities Held For Customers In Lieu Of Cash At Banks Segregated Under Commodity Exchange Act Regulation SecuritiesHeldForCustomersInLieuOfCashAtBanksSegregatedUnderCommodityExchangeActRegulation	47200000	USD
CY2013Q3	intl	Securities Held For Customers In Lieu Of Cash At Banks Segregated Under Commodity Exchange Act Regulation SecuritiesHeldForCustomersInLieuOfCashAtBanksSegregatedUnderCommodityExchangeActRegulation	19500000	USD
CY2013Q3	intl	Securities Held For Customers In Lieu Of Cash Segregated Under Commodity Exchange Act Regulation SecuritiesHeldForCustomersInLieuOfCashSegregatedUnderCommodityExchangeActRegulation	13100000	USD
CY2012Q3	intl	Securities Held For Customers In Lieu Of Cash Segregated Under Commodity Exchange Act Regulation SecuritiesHeldForCustomersInLieuOfCashSegregatedUnderCommodityExchangeActRegulation	22300000	USD
CY2013	intl	Sentinel Appeal Cash Deposit SentinelAppealCashDeposit	8000000	USD
CY2013Q3	intl	Share Based Compensation Arrangement By Share Based Payment Award Options Excercisable Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExcercisableWeightedAverageGrantDateFairValue	11.04
CY2013	intl	Share Based Compensation Arrangement By Share Based Payment Award Options Excrecises In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExcrecisesInPeriodWeightedAverageGrantDateFairValue	5.26
CY2013	intl	Share Based Compensation Arrangement By Share Based Payment Award Options Expirations In Period Net ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriodNet	0	shares
CY2013	intl	Share Based Compensation Arrangement By Share Based Payment Award Options Expired In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpiredInPeriodWeightedAverageGrantDateFairValue	11.58
CY2013	intl	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeited In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeitedInPeriodWeightedAverageGrantDateFairValue	3.88
CY2012Q3	intl	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageGrantDateFairValue	11.11
CY2013Q3	intl	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageGrantDateFairValue	11.44
CY2012	intl	Stock Options And Warrants For Diluted Earnings Per Share Calculation StockOptionsAndWarrantsForDilutedEarningsPerShareCalculation	873960	shares
CY2013	intl	Stock Options And Warrants For Diluted Earnings Per Share Calculation StockOptionsAndWarrantsForDilutedEarningsPerShareCalculation	625264	shares
CY2011	intl	Stock Options And Warrants For Diluted Earnings Per Share Calculation StockOptionsAndWarrantsForDilutedEarningsPerShareCalculation	949369	shares
CY2013Q3	intl	Suriwongse Debt Investment Balance SuriwongseDebtInvestmentBalance	3500000	USD
CY2012	intl	Taxable Income Lossfrom Continuing Operationsbefore Income Taxes Domestic TaxableIncomeLossfromContinuingOperationsbeforeIncomeTaxesDomestic	-21200000	USD
CY2011	intl	Taxable Income Lossfrom Continuing Operationsbefore Income Taxes Domestic TaxableIncomeLossfromContinuingOperationsbeforeIncomeTaxesDomestic	22700000	USD
CY2013	intl	Taxable Income Lossfrom Continuing Operationsbefore Income Taxes Domestic TaxableIncomeLossfromContinuingOperationsbeforeIncomeTaxesDomestic	-22200000	USD
CY2012Q3	intl	Total Level3 Assets TotalLevel3Assets	4500000	USD
CY2013Q3	intl	Total Level3 Assets TotalLevel3Assets	4200000	USD
CY2013Q3	intl	Total Level3 Assets As Percentage Of Total Assets TotalLevel3AssetsAsPercentageOfTotalAssets	0.001
CY2012Q3	intl	Total Level3 Assets As Percentage Of Total Assets TotalLevel3AssetsAsPercentageOfTotalAssets	0.002
CY2013Q3	intl	Total Level3 Assets As Percentage Of Total Financial Assets At Fair Value TotalLevel3AssetsAsPercentageOfTotalFinancialAssetsAtFairValue	0.003
CY2012Q3	intl	Total Level3 Assets As Percentage Of Total Financial Assets At Fair Value TotalLevel3AssetsAsPercentageOfTotalFinancialAssetsAtFairValue	0.003
CY2013Q3	intl	Us Government Securitiesand Other Securities Depositsand Receivables USGovernmentSecuritiesandOtherSecuritiesDepositsandReceivables	600000000	USD
CY2012Q3	intl	Us Government Securitiesand Other Securities Depositsand Receivables USGovernmentSecuritiesandOtherSecuritiesDepositsandReceivables	1300000000	USD
CY2013	intl	Undistributed Earnings Allocated To Participating Securities Continuing Ops UndistributedEarningsAllocatedToParticipatingSecuritiesContinuingOps	-800000	USD
CY2012	intl	Undistributed Earnings Allocated To Participating Securities Continuing Ops UndistributedEarningsAllocatedToParticipatingSecuritiesContinuingOps	-500000	USD
CY2011	intl	Undistributed Earnings Allocated To Participating Securities Continuing Ops UndistributedEarningsAllocatedToParticipatingSecuritiesContinuingOps	-900000	USD
CY2012	intl	Undistributed Earnings Allocated To Participating Securities Disc Ops UndistributedEarningsAllocatedToParticipatingSecuritiesDiscOps	0	USD
CY2011	intl	Undistributed Earnings Allocated To Participating Securities Disc Ops UndistributedEarningsAllocatedToParticipatingSecuritiesDiscOps	0	USD
CY2013	intl	Undistributed Earnings Allocated To Participating Securities Disc Ops UndistributedEarningsAllocatedToParticipatingSecuritiesDiscOps	0	USD
CY2012Q3	intl	Us Government Obligations And Other Securities UsGovernmentObligationsAndOtherSecurities	50500000	USD
CY2013Q3	intl	Us Government Obligations And Other Securities UsGovernmentObligationsAndOtherSecurities	19500000	USD
CY2013	dei	Amendment Flag AmendmentFlag	false
CY2013	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--09-30
CY2013	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2013	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2013
CY2013	dei	Document Period End Date DocumentPeriodEndDate	2013-09-30
CY2013	dei	Document Type DocumentType	10-K
CY2013	dei	Entity Central Index Key EntityCentralIndexKey	0000913760
CY2014Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	19188599	shares
CY2013	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2013	dei	Entity Filer Category EntityFilerCategory	Accelerated Filer
CY2013Q1	dei	Entity Public Float EntityPublicFloat	238400000	USD
CY2013	dei	Entity Registrant Name EntityRegistrantName	INTL FCSTONE INC.
CY2013	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2013	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	No
CY2013	dei	Trading Symbol TradingSymbol	INTL

Files In Submission

Name	View Source	Status
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$SNEX
StoneX Group Inc. Stock $snex

2012 Q3 Form 10-K Financial Statement

#000091376014000006 Filed on January 15, 2014

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$SNEX StoneX Group Inc. Stock $snex

2012 Q3 Form 10-K Financial Statement

#000091376014000006 Filed on January 15, 2014

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$SNEX
StoneX Group Inc. Stock $snex