$SNEX
StoneX Group Inc. Stock $snex

$snex Overview Financials Valuation SEC Filings Company Website

2017 Form 10-K Financial Statement

#000091376017000119 Filed on December 14, 2017

Income Statement

Concept	2017	2016 Q3	2016 Q2
Revenue	$29.42B	$2.778B	$4.869B
YoY Change	99.42%	5.68%	21.86%
Cost Of Revenue	$28.64B	$2.599B	$4.694B
YoY Change	103.35%	6.09%	22.12%
Gross Profit	$784.0M	$178.6M	$175.0M
YoY Change	16.84%	-0.06%	15.44%
Gross Profit Margin	2.66%	6.43%	3.59%
Selling, General & Admin	$571.0M	$122.0M	$107.0M
YoY Change	32.79%	12.96%	11.46%
% of Gross Profit	72.83%	68.31%	61.14%
Research & Development	$34.40M		$7.900M
YoY Change	5.2%		8.22%
% of Gross Profit	4.39%		4.51%
Depreciation & Amortization	$9.800M	$2.000M	$2.100M
YoY Change	19.51%	11.11%	23.53%
% of Gross Profit	1.25%	1.12%	1.2%
Operating Expenses	$34.40M	$157.0M	$7.900M
YoY Change	5.2%	9.03%	8.22%
Operating Profit	$749.6M	$21.60M	$167.1M
YoY Change	17.44%	-37.75%	15.8%
Interest Expense	$42.10M	$7.500M	$7.700M
YoY Change	48.76%	50.0%	57.14%
% of Operating Profit	5.62%	34.72%	4.61%
Other Income/Expense, Net	$9.800M		$1.800M
YoY Change	24.05%		5.88%
Pretax Income	$15.20M	$19.20M	$21.40M
YoY Change	-79.09%	-34.25%	24.42%
Income Tax	$8.800M	$2.400M	$6.800M
% Of Pretax Income	57.89%	12.5%	31.78%
Net Earnings	$6.400M	$16.80M	$14.60M
YoY Change	-88.3%	-20.38%	19.67%
Net Earnings / Revenue	0.02%	0.6%	0.3%
Basic Earnings Per Share	$0.32	$0.91	$0.79
Diluted Earnings Per Share	$0.31	$0.90	$0.78
COMMON SHARES
Basic Shares Outstanding	18.40M shares	18.41M shares	18.14M shares
Diluted Shares Outstanding	18.69M shares		18.32M shares

Balance Sheet

Concept	2017	2016 Q3	2016 Q2
SHORT-TERM ASSETS
Cash & Short-Term Investments	$315.0M	$316.0M	$365.0M
YoY Change	-0.32%	17.91%	36.19%
Cash & Equivalents	$315.0M	$316.2M	$364.6M
Short-Term Investments
Other Short-Term Assets
YoY Change
Inventory		$123.8M
Prepaid Expenses
Receivables	$233.0M	$1.719B	$1.594B
Other Receivables	$0.00	$1.000M	$8.000M
Total Short-Term Assets	$548.0M	$2.036B	$1.967B
YoY Change	-73.08%	0.34%	25.77%
LONG-TERM ASSETS
Property, Plant & Equipment	$39.00M	$29.40M	$26.60M
YoY Change	34.48%	49.24%	37.11%
Goodwill		$47.50M	$47.50M
YoY Change		0.0%	0.0%
Intangibles		$9.100M	$9.500M
YoY Change		-14.15%	-23.39%
Long-Term Investments	$2.225B	$2.216B	$2.603B
YoY Change	0.41%	26.85%	57.66%
Other Assets	$3.187B	$1.171B	$1.001B
YoY Change	172.16%	49.17%	12.35%
Total Long-Term Assets	$5.695B	$3.914B	$4.099B
YoY Change	45.5%	28.72%	40.24%
TOTAL ASSETS
Total Short-Term Assets	$548.0M	$2.036B	$1.967B
Total Long-Term Assets	$5.695B	$3.914B	$4.099B
Total Assets	$6.243B	$5.950B	$6.066B
YoY Change	4.92%	17.36%	35.19%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$3.199B	$3.114B	$2.942B
YoY Change	2.73%	9.03%	30.29%
Accrued Expenses
YoY Change
Deferred Revenue
YoY Change
Short-Term Debt	$1.504B	$180.0M	$208.6M
YoY Change		373.68%	192.98%
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$1.647B	$3.121B	$143.0M
YoY Change	-47.23%	-19.4%	17.21%
LONG-TERM LIABILITIES
Long-Term Debt	$230.0M	$227.0M	$257.0M
YoY Change	1.32%	160.92%	112.4%
Other Long-Term Liabilities	$718.0M	$2.007B	$2.308B
YoY Change	-64.23%	253.35%	43.8%
Total Long-Term Liabilities	$948.0M	$2.234B	$2.565B
YoY Change	-57.56%	241.07%	48.61%
TOTAL LIABILITIES
Total Short-Term Liabilities	$1.647B	$3.121B	$143.0M
Total Long-Term Liabilities	$948.0M	$2.234B	$2.565B
Total Liabilities	$5.794B	$5.517B	$5.650B
YoY Change	5.02%	18.05%	37.67%
SHAREHOLDERS EQUITY
Retained Earnings		$255.1M	$238.3M
YoY Change		27.3%	32.91%
Common Stock
YoY Change
Preferred Stock
YoY Change
Treasury Stock (at cost)		$46.30M	$46.30M
YoY Change		72.76%	110.45%
Treasury Stock Shares		2.122M shares	2.122M shares
Shareholders Equity	$450.0M	$433.8M	$416.0M
YoY Change
Total Liabilities & Shareholders Equity	$6.243B	$5.950B	$6.066B
YoY Change	4.92%	17.36%	35.19%

Cashflow Statement

Concept	2017	2016 Q3	2016 Q2
OPERATING ACTIVITIES
Net Income	$6.400M	$16.80M	$14.60M
YoY Change	-88.3%	-20.38%	19.67%
Depreciation, Depletion And Amortization	$9.800M	$2.000M	$2.100M
YoY Change	19.51%	11.11%	23.53%
Cash From Operating Activities	$1.037B	$4.000M	$115.5M
YoY Change	-3831.65%	-87.95%	12733.33%
INVESTING ACTIVITIES
Capital Expenditures	$16.10M	-$3.300M	-$4.100M
YoY Change	4.55%	94.12%	-25.45%
Acquisitions	$6.000M
YoY Change	-70.0%
Other Investing Activities	-$6.200M	-$20.10M	$0.00
YoY Change	-69.15%	-1057.14%	-100.0%
Cash From Investing Activities	-$22.30M	-$23.40M	-$4.100M
YoY Change	-37.18%	-5950.0%	-33.87%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net	$0.00
YoY Change	-100.0%
Debt Paid & Issued, Net	$0.00
YoY Change
Cash From Financing Activities	$5.700M	-27.90M	51.50M
YoY Change	-95.29%	-16.47%	72.82%
NET CHANGE
Cash From Operating Activities	$1.037B	4.000M	115.5M
Cash From Investing Activities	-$22.30M	-23.40M	-4.100M
Cash From Financing Activities	$5.700M	-27.90M	51.50M
Net Change In Cash	$1.022B	-47.30M	162.9M
YoY Change	1671.58%	-23750.0%	564.9%
FREE CASH FLOW
Cash From Operating Activities	$1.037B	$4.000M	$115.5M
Capital Expenditures	$16.10M	-$3.300M	-$4.100M
Free Cash Flow	$1.021B	$7.300M	$119.6M
YoY Change	-2464.12%	-79.08%	1768.75%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
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CY2013Q3	intl	Allowance For Doubtful Accounts Customer And Notes Receivable AllowanceForDoubtfulAccountsCustomerAndNotesReceivable	5800000	USD
CY2017	dei	Amendment Flag AmendmentFlag	false
CY2017	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--09-30
CY2017	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2017	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2017
CY2017	dei	Document Period End Date DocumentPeriodEndDate	2017-09-30
CY2017	dei	Document Type DocumentType	10-K
CY2017	dei	Entity Central Index Key EntityCentralIndexKey	0000913760
CY2017Q4	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	18766085	shares
CY2017	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2017	dei	Entity Filer Category EntityFilerCategory	Accelerated Filer
CY2017Q1	dei	Entity Public Float EntityPublicFloat	496200000	USD
CY2017	dei	Entity Registrant Name EntityRegistrantName	INTL FCSTONE INC.
CY2017	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2017	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	No
CY2017	dei	Trading Symbol TradingSymbol	INTL
CY2016Q3	intl	Accounts Payable And Other Accrued Liabilities Contingent Consideration Fair Value AccountsPayableAndOtherAccruedLiabilitiesContingentConsiderationFairValue	800000	USD
CY2014Q3	intl	Allowance For Doubtful Accounts Customer And Notes Receivable AllowanceForDoubtfulAccountsCustomerAndNotesReceivable	11200000	USD
CY2015Q3	intl	Allowance For Doubtful Accounts Customer And Notes Receivable AllowanceForDoubtfulAccountsCustomerAndNotesReceivable	9700000	USD
CY2016Q3	intl	Allowance For Doubtful Accounts Customer And Notes Receivable AllowanceForDoubtfulAccountsCustomerAndNotesReceivable	54600000	USD
CY2016Q3	intl	Allowance Notes Receivable AllowanceNotesReceivable	200000	USD
CY2017Q3	intl	Allowance Notes Receivable AllowanceNotesReceivable	0	USD
CY2016Q3	intl	Cash Heldat Banksand Money Market Funds Segregated CashHeldatBanksandMoneyMarketFundsSegregated	515200000	USD
CY2017Q3	intl	Cash Heldat Banksand Money Market Funds Segregated CashHeldatBanksandMoneyMarketFundsSegregated	464300000	USD
CY2016Q3	intl	Cashand Cash Equivalents Depositsand Receivables CashandCashEquivalentsDepositsandReceivables	900000000	USD
CY2017Q3	intl	Cashand Cash Equivalents Depositsand Receivables CashandCashEquivalentsDepositsandReceivables	2300000000	USD
CY2016Q3	intl	Commodities Warehouse Receipts CommoditiesWarehouseReceipts	23300000	USD
CY2017Q3	intl	Commodities Warehouse Receipts CommoditiesWarehouseReceipts	21000000	USD
CY2015	intl	Costsnotallocatedtooperatingsegments Costsnotallocatedtooperatingsegments	110000000	USD
CY2016	intl	Costsnotallocatedtooperatingsegments Costsnotallocatedtooperatingsegments	133300000	USD
CY2017	intl	Costsnotallocatedtooperatingsegments Costsnotallocatedtooperatingsegments	153800000	USD
CY2016Q3	intl	Debt Instrument Call Feature Redemption Price Percentageof Principal DebtInstrumentCallFeatureRedemptionPricePercentageofPrincipal	1
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CY2017	intl	Goodwill And Intangible Assets Acquired During Period GoodwillAndIntangibleAssetsAcquiredDuringPeriod	0	USD
CY2016Q3	intl	Deposits And Receivables From Bds And Counterparties At Fair Value DepositsAndReceivablesFromBdsAndCounterpartiesAtFairValue	853300000	USD
CY2017Q3	intl	Level3 Assets For Which Company Bears Economic Exposure Level3AssetsForWhichCompanyBearsEconomicExposure	100000	USD
CY2016Q3	intl	Level3 Assets For Which Company Bears Economic Exposure As Percertange Of Total Assets Level3AssetsForWhichCompanyBearsEconomicExposureAsPercertangeOfTotalAssets	0.001
CY2017Q3	intl	Deposits And Receivables From Bds And Counterparties At Fair Value DepositsAndReceivablesFromBdsAndCounterpartiesAtFairValue	204700000	USD
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CY2015	intl	Incomefromcontinuingoperationsallocatedtocommonshareholders Incomefromcontinuingoperationsallocatedtocommonshareholders	54400000	USD
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CY2017	intl	Incomefromcontinuingoperationsallocatedtocommonshareholders Incomefromcontinuingoperationsallocatedtocommonshareholders	6300000	USD
CY2015Q3	intl	Insured Short Term Notes Receivable InsuredShortTermNotesReceivable	5000000	USD
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CY2016Q3	intl	Level3 Assets For Which Company Bears Economic Exposure Level3AssetsForWhichCompanyBearsEconomicExposure	3200000	USD
CY2017Q3	intl	Level3 Assets For Which Company Bears Economic Exposure As Percertange Of Total Assets Level3AssetsForWhichCompanyBearsEconomicExposureAsPercertangeOfTotalAssets	0.000
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CY2017Q2	intl	Provision For Doubtful Accounts And Impairment Charges ProvisionForDoubtfulAccountsAndImpairmentCharges	100000	USD
CY2017Q3	intl	Provision For Doubtful Accounts And Impairment Charges ProvisionForDoubtfulAccountsAndImpairmentCharges	400000	USD
CY2017	intl	Provision For Doubtful Accounts And Impairment Charges ProvisionForDoubtfulAccountsAndImpairmentCharges	4300000	USD
CY2017	intl	Reclassification Adjustments For Gains Losses Included In Net Income ReclassificationAdjustmentsForGainsLossesIncludedInNetIncome	300000	USD
CY2013	intl	Provisionfor Doubtful Accountsand Chargeoffs ProvisionforDoubtfulAccountsandChargeoffs	6000000	USD
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CY2015	intl	Taxable Income Lossfrom Continuing Operationsbefore Income Taxes Domestic TaxableIncomeLossfromContinuingOperationsbeforeIncomeTaxesDomestic	16500000	USD
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CY2017	us-gaap	Adjustments To Additional Paid In Capital Tax Effect From Share Based Compensation AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation	100000	USD
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CY2017	us-gaap	Advertising Expense AdvertisingExpense	4000000	USD
CY2016Q3	us-gaap	Agricultural Related Inventory AgriculturalRelatedInventory	65900000	USD
CY2017Q3	us-gaap	Agricultural Related Inventory AgriculturalRelatedInventory	65100000	USD
CY2015	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	3600000	USD
CY2016	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	5100000	USD
CY2017	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	6300000	USD
CY2016Q3	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	9500000	USD
CY2017Q3	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	7600000	USD
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CY2016	us-gaap	Allowance For Doubtful Accounts Receivable Period Increase Decrease AllowanceForDoubtfulAccountsReceivablePeriodIncreaseDecrease	4200000	USD
CY2017	us-gaap	Allowance For Doubtful Accounts Receivable Period Increase Decrease AllowanceForDoubtfulAccountsReceivablePeriodIncreaseDecrease	4200000	USD
CY2016	us-gaap	Allowance For Doubtful Accounts Receivable Recoveries AllowanceForDoubtfulAccountsReceivableRecoveries	200000	USD
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CY2015	us-gaap	Allowance For Doubtful Accounts Receivable Write Offs AllowanceForDoubtfulAccountsReceivableWriteOffs	6100000	USD
CY2017	us-gaap	Allowance For Doubtful Accounts Receivable Write Offs AllowanceForDoubtfulAccountsReceivableWriteOffs	100000	USD
CY2015	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	900000	USD
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CY2017	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	1900000	USD
CY2015	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	1500000	USD
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CY2017	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	2800000	USD
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CY2015	us-gaap	Asset Management Fees1 AssetManagementFees1	42500000	USD
CY2016	us-gaap	Asset Management Fees1 AssetManagementFees1	42000000	USD
CY2017	us-gaap	Asset Management Fees1 AssetManagementFees1	64800000	USD
CY2015Q3	us-gaap	Assets Assets	5070000000	USD
CY2016Q3	us-gaap	Assets Assets	5950300000	USD
CY2017Q3	us-gaap	Assets Assets	6243400000	USD
CY2017Q3	us-gaap	Assets Fair Value Disclosure AssetsFairValueDisclosure	2068000000	USD
CY2016Q3	us-gaap	Business Combination Acquired Receivables Fair Value BusinessCombinationAcquiredReceivablesFairValue	151600000	USD
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CY2016	us-gaap	Business Combination Bargain Purchase Gain Recognized Amount BusinessCombinationBargainPurchaseGainRecognizedAmount	6200000	USD
CY2017	us-gaap	Business Combination Bargain Purchase Gain Recognized Amount BusinessCombinationBargainPurchaseGainRecognizedAmount	0	USD
CY2016	us-gaap	Business Combination Consideration Transferred1 BusinessCombinationConsiderationTransferred1	45000000	USD
CY2015	us-gaap	Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Liability1 BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1	1900000	USD
CY2016	us-gaap	Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Liability1 BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1	-400000	USD
CY2017	us-gaap	Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Liability1 BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1	-200000	USD
CY2016Q3	us-gaap	Business Combination Contingent Consideration Liability BusinessCombinationContingentConsiderationLiability	800000	USD
CY2017Q3	us-gaap	Business Combination Contingent Consideration Liability BusinessCombinationContingentConsiderationLiability	1000000	USD
CY2016	us-gaap	Business Combination Pro Forma Information Earnings Or Loss Of Acquiree Since Acquisition Date Actual BusinessCombinationProFormaInformationEarningsOrLossOfAcquireeSinceAcquisitionDateActual	100000	USD
CY2016	us-gaap	Business Combination Pro Forma Information Revenue Of Acquiree Since Acquisition Date Actual BusinessCombinationProFormaInformationRevenueOfAcquireeSinceAcquisitionDateActual	8600000	USD
CY2016Q3	us-gaap	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Cash And Equivalents BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents	24900000	USD
CY2016Q3	us-gaap	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Current Assets Prepaid Expense And Other Assets BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsPrepaidExpenseAndOtherAssets	4800000	USD
CY2016Q3	us-gaap	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Deferred Tax Assets Noncurrent BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxAssetsNoncurrent	5700000	USD
CY2016Q3	us-gaap	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Liabilities BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities	136000000	USD
CY2016Q3	us-gaap	Capitalized Computer Software Gross CapitalizedComputerSoftwareGross	22800000	USD
CY2017Q3	us-gaap	Capitalized Computer Software Gross CapitalizedComputerSoftwareGross	25300000	USD
CY2014Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	231300000	USD
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CY2016Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	316200000	USD
CY2017Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	314900000	USD
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CY2016	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	48100000	USD
CY2017	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	-1300000	USD
CY2016Q3	us-gaap	Cash And Securities Segregated Under Federal And Other Regulations CashAndSecuritiesSegregatedUnderFederalAndOtherRegulations	1136300000	USD
CY2017Q3	us-gaap	Cash And Securities Segregated Under Federal And Other Regulations CashAndSecuritiesSegregatedUnderFederalAndOtherRegulations	518800000	USD
CY2015	us-gaap	Cash Dividends Paid To Parent Company By Consolidated Subsidiaries CashDividendsPaidToParentCompanyByConsolidatedSubsidiaries	6000000	USD
CY2016	us-gaap	Cash Dividends Paid To Parent Company By Consolidated Subsidiaries CashDividendsPaidToParentCompanyByConsolidatedSubsidiaries	31000000	USD
CY2017	us-gaap	Cash Dividends Paid To Parent Company By Consolidated Subsidiaries CashDividendsPaidToParentCompanyByConsolidatedSubsidiaries	52700000	USD
CY2015	us-gaap	Clearance Fees ClearanceFees	1100000	USD
CY2016	us-gaap	Clearance Fees ClearanceFees	1300000	USD
CY2017	us-gaap	Clearance Fees ClearanceFees	2600000	USD
CY2017Q3	us-gaap	Collateralized Financings CollateralizedFinancings	1504200000	USD
CY2016Q3	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2017Q3	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2016Q3	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
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CY2016Q3	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	30000000	shares
CY2017Q3	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	30000000	shares
CY2016Q3	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	20557175	shares
CY2017Q3	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	20855243	shares
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CY2016Q3	us-gaap	Common Stock Value Outstanding CommonStockValueOutstanding	200000	USD
CY2017Q3	us-gaap	Common Stock Value Outstanding CommonStockValueOutstanding	200000	USD
CY2015	us-gaap	Communications And Information Technology CommunicationsAndInformationTechnology	28100000	USD
CY2016	us-gaap	Communications And Information Technology CommunicationsAndInformationTechnology	32700000	USD
CY2017	us-gaap	Communications And Information Technology CommunicationsAndInformationTechnology	39400000	USD
CY2015	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	49800000	USD
CY2016	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	47600000	USD
CY2017	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	6500000	USD
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CY2016Q2	us-gaap	Cost Of Goods Sold CostOfGoodsSold	4693500000	USD
CY2016Q3	us-gaap	Cost Of Goods Sold CostOfGoodsSold	2599000000	USD
CY2016	us-gaap	Cost Of Goods Sold CostOfGoodsSold	14083900000	USD
CY2016Q4	us-gaap	Cost Of Goods Sold CostOfGoodsSold	5888900000	USD
CY2017Q1	us-gaap	Cost Of Goods Sold CostOfGoodsSold	5265000000	USD
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CY2017Q3	us-gaap	Cost Of Goods Sold CostOfGoodsSold	12177400000	USD
CY2017	us-gaap	Cost Of Goods Sold CostOfGoodsSold	28639600000	USD
CY2015	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	800000	USD
CY2016	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	1300000	USD
CY2017	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	700000	USD
CY2015	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	15400000	USD
CY2016	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	16800000	USD
CY2017	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	16700000	USD
CY2015	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	17400000	USD
CY2016	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	18900000	USD
CY2017	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	18600000	USD
CY2015	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	1200000	USD
CY2016	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	800000	USD
CY2017	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	1200000	USD
CY2016Q3	us-gaap	Debt And Capital Lease Obligations DebtAndCapitalLeaseObligations	227300000	USD
CY2017Q3	us-gaap	Debt And Capital Lease Obligations DebtAndCapitalLeaseObligations	230200000	USD
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CY2016Q3	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	5800000	USD
CY2017Q3	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	7900000	USD
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CY2016Q3	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	43900000	USD
CY2017Q3	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	54500000	USD
CY2016Q3	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	34500000	USD
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CY2016Q3	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	40300000	USD
CY2017Q3	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	50500000	USD
CY2016Q3	us-gaap	Deferred Tax Assets Operating Loss Carryforwards Domestic DeferredTaxAssetsOperatingLossCarryforwardsDomestic	12400000	USD
CY2017Q3	us-gaap	Deferred Tax Assets Operating Loss Carryforwards Domestic DeferredTaxAssetsOperatingLossCarryforwardsDomestic	21900000	USD
CY2016Q3	us-gaap	Deferred Tax Assets Operating Loss Carryforwards Foreign DeferredTaxAssetsOperatingLossCarryforwardsForeign	2000000	USD
CY2017Q3	us-gaap	Deferred Tax Assets Operating Loss Carryforwards Foreign DeferredTaxAssetsOperatingLossCarryforwardsForeign	5600000	USD
CY2016Q3	us-gaap	Deferred Tax Assets Operating Loss Carryforwards State And Local DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal	4900000	USD
CY2017Q3	us-gaap	Deferred Tax Assets Operating Loss Carryforwards State And Local DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal	6600000	USD
CY2016Q3	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	1800000	USD
CY2017Q3	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	1900000	USD
CY2016Q3	us-gaap	Deferred Tax Assets Tax Credit Carryforwards DeferredTaxAssetsTaxCreditCarryforwards	1400000	USD
CY2017Q3	us-gaap	Deferred Tax Assets Tax Credit Carryforwards DeferredTaxAssetsTaxCreditCarryforwards	1600000	USD
CY2017Q3	us-gaap	Deferred Tax Assets Tax Credit Carryforwards Alternative Minimum Tax DeferredTaxAssetsTaxCreditCarryforwardsAlternativeMinimumTax	1300000	USD
CY2017Q3	us-gaap	Deferred Tax Assets Tax Credit Carryforwards Research DeferredTaxAssetsTaxCreditCarryforwardsResearch	400000	USD
CY2016Q3	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits	3300000	USD
CY2017Q3	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits	3600000	USD
CY2016Q3	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Employee Compensation DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation	2000000	USD
CY2017Q3	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Employee Compensation DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation	2000000	USD
CY2016Q3	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Pensions DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPensions	1900000	USD
CY2017Q3	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Pensions DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPensions	100000	USD
CY2016Q3	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	4300000	USD
CY2017Q3	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	3700000	USD
CY2016Q3	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Allowance For Doubtful Accounts DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts	1600000	USD
CY2017Q3	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Allowance For Doubtful Accounts DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts	1400000	USD
CY2016Q3	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	3600000	USD
CY2017Q3	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	4000000	USD
CY2017Q3	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	4900000	USD
CY2017Q3	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	3100000	USD
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CY2017Q3	us-gaap	Deferred Tax Liabilities Prepaid Expenses DeferredTaxLiabilitiesPrepaidExpenses	2500000	USD
CY2016Q3	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	2600000	USD
CY2017Q3	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	2200000	USD
CY2016Q3	us-gaap	Deferred Tax Liabilities Unrealized Gains On Trading Securities DeferredTaxLiabilitiesUnrealizedGainsOnTradingSecurities	1300000	USD
CY2017Q3	us-gaap	Deferred Tax Liabilities Unrealized Gains On Trading Securities DeferredTaxLiabilitiesUnrealizedGainsOnTradingSecurities	3200000	USD
CY2015	us-gaap	Defined Benefit Plan Actuarial Gain Loss DefinedBenefitPlanActuarialGainLoss	0	USD
CY2016	us-gaap	Defined Benefit Plan Actuarial Gain Loss DefinedBenefitPlanActuarialGainLoss	0	USD
CY2017	us-gaap	Defined Benefit Plan Actuarial Gain Loss DefinedBenefitPlanActuarialGainLoss	300000	USD
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CY2016Q3	us-gaap	Defined Benefit Plan Benefit Obligation DefinedBenefitPlanBenefitObligation	38500000	USD
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CY2016	us-gaap	Defined Benefit Plan Contributions By Employer DefinedBenefitPlanContributionsByEmployer	1800000	USD
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CY2017Q3	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Five Fiscal Years Thereafter DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter	9500000	USD
CY2017Q3	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Next Twelve Months DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths	2100000	USD
CY2017Q3	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Year Five DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive	1900000	USD
CY2017Q3	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Year Four DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour	2000000	USD
CY2017Q3	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Year Three DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree	2000000	USD
CY2017Q3	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Year Two DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo	2100000	USD
CY2016Q3	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	33700000	USD
CY2017Q3	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	36400000	USD
CY2015	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	100000	USD
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CY2017	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	300000	USD
CY2016Q3	us-gaap	Defined Benefit Plan Pension Plans With Accumulated Benefit Obligations In Excess Of Plan Assets Aggregate Projected Benefit Obligation DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateProjectedBenefitObligation	4800000	USD
CY2017Q3	us-gaap	Defined Benefit Plan Pension Plans With Accumulated Benefit Obligations In Excess Of Plan Assets Aggregate Projected Benefit Obligation DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateProjectedBenefitObligation	100000	USD
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CY2017	us-gaap	Defined Contribution Plan Employer Discretionary Contribution Amount DefinedContributionPlanEmployerDiscretionaryContributionAmount	6100000	USD
CY2015	us-gaap	Depreciation Depreciation	5700000	USD
CY2016	us-gaap	Depreciation Depreciation	6600000	USD
CY2017	us-gaap	Depreciation Depreciation	7000000	USD
CY2015	us-gaap	Depreciation And Amortization DepreciationAndAmortization	7200000	USD
CY2016	us-gaap	Depreciation And Amortization DepreciationAndAmortization	7800000	USD
CY2017	us-gaap	Depreciation And Amortization DepreciationAndAmortization	9800000	USD
CY2015	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	7200000	USD
CY2016	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	8200000	USD
CY2017	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	9800000	USD
CY2016	us-gaap	Derivative Average Remaining Maturity1 DerivativeAverageRemainingMaturity1	P15Y
CY2016Q3	us-gaap	Derivative Fair Value Of Derivative Asset DerivativeFairValueOfDerivativeAsset	3715900000	USD
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CY2016Q3	us-gaap	Derivative Fair Value Of Derivative Liability DerivativeFairValueOfDerivativeLiability	3580500000	USD
CY2017Q3	us-gaap	Derivative Fair Value Of Derivative Liability DerivativeFairValueOfDerivativeLiability	4201000000	USD
CY2017Q3	us-gaap	Derivative Fair Value Of Derivative Net DerivativeFairValueOfDerivativeNet	317000000	USD
CY2016Q3	us-gaap	Derivative Number Of Instruments Held DerivativeNumberOfInstrumentsHeld	4000000
CY2017Q3	us-gaap	Derivative Number Of Instruments Held DerivativeNumberOfInstrumentsHeld	6100000
CY2015Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.47
CY2016Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.77
CY2016Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.79
CY2016Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.91
CY2016Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.34
CY2017Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.58
CY2017Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.67
CY2017Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-1.27
CY2015Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.78
CY2015Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.46
CY2016Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.76
CY2016Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.90
CY2016Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.34
CY2017Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.58
CY2017Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.66
CY2017Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-1.27
CY2015	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	-600000	USD
CY2016	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	-9600000	USD
CY2017	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	1400000	USD
CY2015	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.287	Rate
CY2016	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.250	Rate
CY2017	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.577	Rate
CY2015	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.350	Rate
CY2016	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.350	Rate
CY2017	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.350	Rate
CY2015	us-gaap	Effective Income Tax Rate Reconciliation Deductions Other EffectiveIncomeTaxRateReconciliationDeductionsOther	0.001	Rate
CY2016	us-gaap	Effective Income Tax Rate Reconciliation Deductions Other EffectiveIncomeTaxRateReconciliationDeductionsOther	0.003	Rate
CY2017	us-gaap	Effective Income Tax Rate Reconciliation Deductions Other EffectiveIncomeTaxRateReconciliationDeductionsOther	0.006	Rate
CY2015	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	-0.111	Rate
CY2016	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	-0.110	Rate
CY2017	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	0.115	Rate
CY2015	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Meals And Entertainment EffectiveIncomeTaxRateReconciliationNondeductibleExpenseMealsAndEntertainment	0.005	Rate
CY2016	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Meals And Entertainment EffectiveIncomeTaxRateReconciliationNondeductibleExpenseMealsAndEntertainment	0.008	Rate
CY2017	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Meals And Entertainment EffectiveIncomeTaxRateReconciliationNondeductibleExpenseMealsAndEntertainment	0.036	Rate
CY2015	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Other EffectiveIncomeTaxRateReconciliationNondeductibleExpenseOther	0.021	Rate
CY2016	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Other EffectiveIncomeTaxRateReconciliationNondeductibleExpenseOther	0.019	Rate
CY2017	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Other EffectiveIncomeTaxRateReconciliationNondeductibleExpenseOther	0.081	Rate
CY2015	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.000	Rate
CY2016	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0.030	Rate
CY2017	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.000	Rate
CY2015	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.018	Rate
CY2016	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.013	Rate
CY2017	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	-0.026	Rate
CY2017Q3	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized	8200000	USD
CY2017	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition1 EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1	P3Y11M1D
CY2017Q3	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Stock Options EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions	3900000	USD
CY2017	us-gaap	Escrow Deposit Disbursements Related To Property Acquisition1 EscrowDepositDisbursementsRelatedToPropertyAcquisition1	5000000	USD
CY2015	us-gaap	Escrow Deposits Related To Property Sales EscrowDepositsRelatedToPropertySales	5000000	USD
CY2016	us-gaap	Escrow Deposits Related To Property Sales EscrowDepositsRelatedToPropertySales	3400000	USD
CY2015	us-gaap	Excess Tax Benefit From Share Based Compensation Financing Activities ExcessTaxBenefitFromShareBasedCompensationFinancingActivities	500000	USD
CY2016	us-gaap	Excess Tax Benefit From Share Based Compensation Financing Activities ExcessTaxBenefitFromShareBasedCompensationFinancingActivities	800000	USD
CY2017	us-gaap	Excess Tax Benefit From Share Based Compensation Financing Activities ExcessTaxBenefitFromShareBasedCompensationFinancingActivities	700000	USD
CY2016	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Earnings1 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1	0	USD
CY2017	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Earnings1 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1	0	USD
CY2016	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Period Increase Decrease FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPeriodIncreaseDecrease	-500000	USD
CY2017	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Period Increase Decrease FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPeriodIncreaseDecrease	-100000	USD
CY2016	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Purchases FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases	0	USD
CY2017	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Purchases FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases	0	USD
CY2016	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements	0	USD
CY2017	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements	-3000000	USD
CY2016	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Net FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersNet	0	USD
CY2017	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Net FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersNet	0	USD
CY2015Q3	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	3700000	USD
CY2016Q3	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	3200000	USD
CY2017Q3	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	100000	USD
CY2017Q3	us-gaap	Fair Value Of Securities Received As Collateral That Can Be Resold Or Repledged FairValueOfSecuritiesReceivedAsCollateralThatCanBeResoldOrRepledged	631700000	USD
CY2017Q3	us-gaap	Fair Value Of Securities Received As Collateral That Have Been Resold Or Repledged FairValueOfSecuritiesReceivedAsCollateralThatHaveBeenResoldOrRepledged	306900000	USD
CY2015	us-gaap	Fees And Commissions FeesAndCommissions	192500000	USD
CY2016	us-gaap	Fees And Commissions FeesAndCommissions	224300000	USD
CY2017	us-gaap	Fees And Commissions FeesAndCommissions	283400000	USD
CY2017Q3	us-gaap	Financial Instruments Owned And Pledged As Collateral Amount Eligible To Be Repledged By Counterparty FinancialInstrumentsOwnedAndPledgedAsCollateralAmountEligibleToBeRepledgedByCounterparty	19400000	USD
CY2017Q3	us-gaap	Financial Instruments Owned And Pledged As Collateral Amount Not Eligible To Be Repledged By Counterparty FinancialInstrumentsOwnedAndPledgedAsCollateralAmountNotEligibleToBeRepledgedByCounterparty	1406600000	USD
CY2016Q3	us-gaap	Financial Instruments Owned At Fair Value FinancialInstrumentsOwnedAtFairValue	1606100000	USD
CY2017Q3	us-gaap	Financial Instruments Owned At Fair Value FinancialInstrumentsOwnedAtFairValue	1731800000	USD
CY2016Q3	us-gaap	Financial Instruments Sold Not Yet Purchased At Fair Value FinancialInstrumentsSoldNotYetPurchasedAtFairValue	839400000	USD
CY2017Q3	us-gaap	Financial Instruments Sold Not Yet Purchased At Fair Value FinancialInstrumentsSoldNotYetPurchasedAtFairValue	717600000	USD
CY2016Q3	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	8700000	USD
CY2017Q3	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	10400000	USD
CY2017Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense After Year Five FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive	4000000	USD
CY2017Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	1900000	USD
CY2017Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	2000000	USD
CY2017Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	2200000	USD
CY2017Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	2200000	USD
CY2016Q3	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	17800000	USD
CY2017Q3	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	22700000	USD
CY2016Q3	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	9100000	USD
CY2017Q3	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	12300000	USD
CY2017	us-gaap	Finitelived Intangible Assets Acquired1 FinitelivedIntangibleAssetsAcquired1	6000000	USD
CY2015	us-gaap	Floor Brokerage Exchange And Clearance Fees FloorBrokerageExchangeAndClearanceFees	122700000	USD
CY2015Q4	us-gaap	Floor Brokerage Exchange And Clearance Fees FloorBrokerageExchangeAndClearanceFees	29800000	USD
CY2016Q1	us-gaap	Floor Brokerage Exchange And Clearance Fees FloorBrokerageExchangeAndClearanceFees	32900000	USD
CY2016Q2	us-gaap	Floor Brokerage Exchange And Clearance Fees FloorBrokerageExchangeAndClearanceFees	35200000	USD
CY2016	us-gaap	Floor Brokerage Exchange And Clearance Fees FloorBrokerageExchangeAndClearanceFees	129900000	USD
CY2016Q3	us-gaap	Floor Brokerage Exchange And Clearance Fees FloorBrokerageExchangeAndClearanceFees	32000000	USD
CY2016Q4	us-gaap	Floor Brokerage Exchange And Clearance Fees FloorBrokerageExchangeAndClearanceFees	33600000	USD
CY2017Q1	us-gaap	Floor Brokerage Exchange And Clearance Fees FloorBrokerageExchangeAndClearanceFees	33700000	USD
CY2017Q2	us-gaap	Floor Brokerage Exchange And Clearance Fees FloorBrokerageExchangeAndClearanceFees	33900000	USD
CY2017Q3	us-gaap	Floor Brokerage Exchange And Clearance Fees FloorBrokerageExchangeAndClearanceFees	35100000	USD
CY2017	us-gaap	Floor Brokerage Exchange And Clearance Fees FloorBrokerageExchangeAndClearanceFees	136300000	USD
CY2016Q3	us-gaap	Furniture And Fixtures Gross FurnitureAndFixturesGross	6800000	USD
CY2017Q3	us-gaap	Furniture And Fixtures Gross FurnitureAndFixturesGross	7200000	USD
CY2017Q3	us-gaap	Gain Contingency Unrecorded Amount GainContingencyUnrecordedAmount	2000000	USD
CY2015	us-gaap	Gain Loss On Sale Of Business GainLossOnSaleOfBusiness	0	USD
CY2016	us-gaap	Gain Loss On Sale Of Business GainLossOnSaleOfBusiness	-6200000	USD
CY2017	us-gaap	Gain Loss On Sale Of Business GainLossOnSaleOfBusiness	0	USD
CY2015	us-gaap	Gain Loss On Sale Of Other Assets GainLossOnSaleOfOtherAssets	1200000	USD
CY2016	us-gaap	Gain Loss On Sale Of Other Assets GainLossOnSaleOfOtherAssets	0	USD
CY2017	us-gaap	Gain Loss On Sale Of Other Assets GainLossOnSaleOfOtherAssets	0	USD
CY2015	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	500000	USD
CY2016	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	400000	USD
CY2017	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	-300000	USD
CY2015	us-gaap	General Insurance Expense GeneralInsuranceExpense	1700000	USD
CY2016	us-gaap	General Insurance Expense GeneralInsuranceExpense	2100000	USD
CY2017	us-gaap	General Insurance Expense GeneralInsuranceExpense	2700000	USD
CY2016Q3	us-gaap	Goodwill Goodwill	47500000	USD
CY2017Q3	us-gaap	Goodwill Goodwill	47100000	USD
CY2015	us-gaap	Gross Profit GrossProfit	624300000	USD
CY2015Q4	us-gaap	Gross Profit GrossProfit	151300000	USD
CY2016Q1	us-gaap	Gross Profit GrossProfit	166100000	USD
CY2016Q2	us-gaap	Gross Profit GrossProfit	175000000	USD
CY2016Q3	us-gaap	Gross Profit GrossProfit	178600000	USD
CY2016	us-gaap	Gross Profit GrossProfit	671000000	USD
CY2016Q4	us-gaap	Gross Profit GrossProfit	185500000	USD
CY2017Q1	us-gaap	Gross Profit GrossProfit	195800000	USD
CY2017Q2	us-gaap	Gross Profit GrossProfit	197600000	USD
CY2017Q3	us-gaap	Gross Profit GrossProfit	205100000	USD
CY2017	us-gaap	Gross Profit GrossProfit	784000000	USD
CY2015	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	55700000	USD
CY2016	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	54700000	USD
CY2017	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	6400000	USD
CY2015	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	14500000	USD
CY2016	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	4900000	USD
CY2017	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	-13900000	USD
CY2015	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	78200000	USD
CY2016	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	72800000	USD
CY2017	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	15200000	USD
CY2015	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	63700000	USD
CY2016	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	67900000	USD
CY2017	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	29100000	USD
CY2015	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	78100000	USD
CY2015Q4	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	12100000	USD
CY2016Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	20000000	USD
CY2016Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	21400000	USD
CY2016Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	19200000	USD
CY2016	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	72700000	USD
CY2016Q4	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	8400000	USD
CY2017Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	14300000	USD
CY2017Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	15000000	USD
CY2017Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	-22500000	USD
CY2017	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	15200000	USD
CY2015	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	55700000	USD
CY2016	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	54700000	USD
CY2017	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	6400000	USD
CY2015	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	2.94
CY2016	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	2.94
CY2017	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.32
CY2015	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	2.87
CY2016	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	2.90
CY2017	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.31
CY2015	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	22400000	USD
CY2015Q4	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	3300000	USD
CY2016Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	5500000	USD
CY2016Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	6800000	USD
CY2016Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	2400000	USD
CY2016	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	18000000	USD
CY2016Q4	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	2100000	USD
CY2017Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	3300000	USD
CY2017Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	2300000	USD
CY2017Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1100000	USD
CY2017	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	8800000	USD
CY2015	us-gaap	Income Tax Expense Benefit Intraperiod Tax Allocation IncomeTaxExpenseBenefitIntraperiodTaxAllocation	20700000	USD
CY2016	us-gaap	Income Tax Expense Benefit Intraperiod Tax Allocation IncomeTaxExpenseBenefitIntraperiodTaxAllocation	17400000	USD
CY2017	us-gaap	Income Tax Expense Benefit Intraperiod Tax Allocation IncomeTaxExpenseBenefitIntraperiodTaxAllocation	9900000	USD
CY2016Q3	us-gaap	Income Tax Receivable IncomeTaxReceivable	1100000	USD
CY2017Q3	us-gaap	Income Tax Receivable IncomeTaxReceivable	400000	USD
CY2015	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	15300000	USD
CY2016	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	8500000	USD
CY2017	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	17100000	USD
CY2015	us-gaap	Increase Decrease In Accounts And Notes Receivable IncreaseDecreaseInAccountsAndNotesReceivable	14500000	USD
CY2016	us-gaap	Increase Decrease In Accounts And Notes Receivable IncreaseDecreaseInAccountsAndNotesReceivable	-59500000	USD
CY2017	us-gaap	Increase Decrease In Accounts And Notes Receivable IncreaseDecreaseInAccountsAndNotesReceivable	-8300000	USD
CY2015	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	23200000	USD
CY2016	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	7500000	USD
CY2017	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	-19600000	USD
CY2015	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	169000000	USD
CY2016	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-97800000	USD
CY2017	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	116400000	USD
CY2015	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	1700000	USD
CY2016	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	300000	USD
CY2017	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	200000	USD
CY2015	us-gaap	Increase Decrease In Brokerage Receivables IncreaseDecreaseInBrokerageReceivables	-44900000	USD
CY2016	us-gaap	Increase Decrease In Brokerage Receivables IncreaseDecreaseInBrokerageReceivables	-146600000	USD
CY2017	us-gaap	Increase Decrease In Brokerage Receivables IncreaseDecreaseInBrokerageReceivables	889100000	USD
CY2015	us-gaap	Increase Decrease In Financial Instruments Sold Not Yet Purchased IncreaseDecreaseInFinancialInstrumentsSoldNotYetPurchased	177500000	USD
CY2016	us-gaap	Increase Decrease In Financial Instruments Sold Not Yet Purchased IncreaseDecreaseInFinancialInstrumentsSoldNotYetPurchased	273900000	USD
CY2017	us-gaap	Increase Decrease In Financial Instruments Sold Not Yet Purchased IncreaseDecreaseInFinancialInstrumentsSoldNotYetPurchased	-124400000	USD
CY2015	us-gaap	Increase Decrease In Financial Instruments Used In Operating Activities IncreaseDecreaseInFinancialInstrumentsUsedInOperatingActivities	565000000	USD
CY2016	us-gaap	Increase Decrease In Financial Instruments Used In Operating Activities IncreaseDecreaseInFinancialInstrumentsUsedInOperatingActivities	192900000	USD
CY2017	us-gaap	Increase Decrease In Financial Instruments Used In Operating Activities IncreaseDecreaseInFinancialInstrumentsUsedInOperatingActivities	125600000	USD
CY2015	us-gaap	Increase Decrease In Income Taxes Receivable IncreaseDecreaseInIncomeTaxesReceivable	0	USD
CY2016	us-gaap	Increase Decrease In Income Taxes Receivable IncreaseDecreaseInIncomeTaxesReceivable	-8200000	USD
CY2017	us-gaap	Increase Decrease In Income Taxes Receivable IncreaseDecreaseInIncomeTaxesReceivable	-500000	USD
CY2015	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-7100000	USD
CY2016	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	91000000	USD
CY2017	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	1700000	USD
CY2015	us-gaap	Increase Decrease In Operating Assets IncreaseDecreaseInOperatingAssets	315000000	USD
CY2016	us-gaap	Increase Decrease In Operating Assets IncreaseDecreaseInOperatingAssets	379900000	USD
CY2017	us-gaap	Increase Decrease In Operating Assets IncreaseDecreaseInOperatingAssets	-622700000	USD
CY2015	us-gaap	Increase Decrease In Payables To Broker Dealers IncreaseDecreaseInPayablesToBrokerDealers	251100000	USD
CY2016	us-gaap	Increase Decrease In Payables To Broker Dealers IncreaseDecreaseInPayablesToBrokerDealers	-53800000	USD
CY2017	us-gaap	Increase Decrease In Payables To Broker Dealers IncreaseDecreaseInPayablesToBrokerDealers	-124100000	USD
CY2015	us-gaap	Increase Decrease In Payables To Customers IncreaseDecreaseInPayablesToCustomers	332100000	USD
CY2016	us-gaap	Increase Decrease In Payables To Customers IncreaseDecreaseInPayablesToCustomers	172200000	USD
CY2017	us-gaap	Increase Decrease In Payables To Customers IncreaseDecreaseInPayablesToCustomers	290900000	USD
CY2015	us-gaap	Increase Decrease In Payables Under Repurchase Agreements IncreaseDecreaseInPayablesUnderRepurchaseAgreements	186000000	USD
CY2016	us-gaap	Increase Decrease In Payables Under Repurchase Agreements IncreaseDecreaseInPayablesUnderRepurchaseAgreements	159800000	USD
CY2017	us-gaap	Increase Decrease In Payables Under Repurchase Agreements IncreaseDecreaseInPayablesUnderRepurchaseAgreements	226000000	USD
CY2015	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	16200000	USD
CY2016	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	17400000	USD
CY2017	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	16000000	USD
CY2015	us-gaap	Increase Decrease In Receivables IncreaseDecreaseInReceivables	0	USD
CY2016	us-gaap	Increase Decrease In Receivables IncreaseDecreaseInReceivables	-3100000	USD
CY2017	us-gaap	Increase Decrease In Receivables IncreaseDecreaseInReceivables	-300000	USD
CY2015	us-gaap	Increase Decrease In Receivables Under Repurchase Agreements IncreaseDecreaseInReceivablesUnderRepurchaseAgreements	-15200000	USD
CY2016	us-gaap	Increase Decrease In Receivables Under Repurchase Agreements IncreaseDecreaseInReceivablesUnderRepurchaseAgreements	285100000	USD
CY2017	us-gaap	Increase Decrease In Receivables Under Repurchase Agreements IncreaseDecreaseInReceivablesUnderRepurchaseAgreements	-203000000	USD
CY2015	us-gaap	Increase Decrease In Securities Borrowed IncreaseDecreaseInSecuritiesBorrowed	0	USD
CY2016	us-gaap	Increase Decrease In Securities Borrowed IncreaseDecreaseInSecuritiesBorrowed	0	USD
CY2017	us-gaap	Increase Decrease In Securities Borrowed IncreaseDecreaseInSecuritiesBorrowed	79700000	USD
CY2015	us-gaap	Increase Decrease In Securities Loaned Transactions IncreaseDecreaseInSecuritiesLoanedTransactions	0	USD
CY2016	us-gaap	Increase Decrease In Securities Loaned Transactions IncreaseDecreaseInSecuritiesLoanedTransactions	0	USD
CY2017	us-gaap	Increase Decrease In Securities Loaned Transactions IncreaseDecreaseInSecuritiesLoanedTransactions	93600000	USD
CY2015	us-gaap	Interest Expense InterestExpense	17100000	USD
CY2015Q4	us-gaap	Interest Expense InterestExpense	6000000	USD
CY2016Q1	us-gaap	Interest Expense InterestExpense	7100000	USD
CY2016Q2	us-gaap	Interest Expense InterestExpense	7700000	USD
CY2016Q3	us-gaap	Interest Expense InterestExpense	7500000	USD
CY2016	us-gaap	Interest Expense InterestExpense	28300000	USD
CY2016Q4	us-gaap	Interest Expense InterestExpense	8900000	USD
CY2017Q1	us-gaap	Interest Expense InterestExpense	10000000	USD
CY2017Q2	us-gaap	Interest Expense InterestExpense	11200000	USD
CY2017Q3	us-gaap	Interest Expense InterestExpense	12000000	USD
CY2017	us-gaap	Interest Expense InterestExpense	42100000	USD
CY2015	us-gaap	Interest Income Operating InterestIncomeOperating	39400000	USD
CY2016	us-gaap	Interest Income Operating InterestIncomeOperating	55200000	USD
CY2017	us-gaap	Interest Income Operating InterestIncomeOperating	69700000	USD
CY2015	us-gaap	Interest Paid InterestPaid	15800000	USD
CY2016	us-gaap	Interest Paid InterestPaid	26000000	USD
CY2017	us-gaap	Interest Paid InterestPaid	38000000	USD
CY2016Q3	us-gaap	Inventory Adjustments InventoryAdjustments	600000	USD
CY2017Q3	us-gaap	Inventory Adjustments InventoryAdjustments	700000	USD
CY2016Q3	us-gaap	Inventory Net InventoryNet	123800000	USD
CY2017Q3	us-gaap	Inventory Net InventoryNet	124800000	USD
CY2015	us-gaap	Labor And Related Expense LaborAndRelatedExpense	251100000	USD
CY2015Q4	us-gaap	Labor And Related Expense LaborAndRelatedExpense	63100000	USD
CY2016Q1	us-gaap	Labor And Related Expense LaborAndRelatedExpense	65200000	USD
CY2016Q2	us-gaap	Labor And Related Expense LaborAndRelatedExpense	69400000	USD
CY2016Q3	us-gaap	Labor And Related Expense LaborAndRelatedExpense	66200000	USD
CY2016	us-gaap	Labor And Related Expense LaborAndRelatedExpense	263900000	USD
CY2016Q4	us-gaap	Labor And Related Expense LaborAndRelatedExpense	70600000	USD
CY2017Q1	us-gaap	Labor And Related Expense LaborAndRelatedExpense	76600000	USD
CY2017Q2	us-gaap	Labor And Related Expense LaborAndRelatedExpense	75500000	USD
CY2017Q3	us-gaap	Labor And Related Expense LaborAndRelatedExpense	73000000	USD
CY2017	us-gaap	Labor And Related Expense LaborAndRelatedExpense	295700000	USD
CY2015	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	10100000	USD
CY2016	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	9900000	USD
CY2017	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	11300000	USD
CY2016Q3	us-gaap	Leasehold Improvements Gross LeaseholdImprovementsGross	11900000	USD
CY2017Q3	us-gaap	Leasehold Improvements Gross LeaseholdImprovementsGross	15400000	USD
CY2016Q3	us-gaap	Liabilities Liabilities	5516500000	USD
CY2017Q3	us-gaap	Liabilities Liabilities	5793500000	USD
CY2016Q3	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	5950300000	USD
CY2017Q3	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	6243400000	USD
CY2016Q3	us-gaap	Line Of Credit LineOfCredit	182800000	USD
CY2017Q3	us-gaap	Line Of Credit LineOfCredit	230200000	USD
CY2016Q3	us-gaap	Machinery And Equipment Gross MachineryAndEquipmentGross	20600000	USD
CY2017Q3	us-gaap	Machinery And Equipment Gross MachineryAndEquipmentGross	22600000	USD
CY2016Q3	us-gaap	Memberships In Exchanges Owned MembershipsInExchangesOwned	12100000	USD
CY2017Q3	us-gaap	Memberships In Exchanges Owned MembershipsInExchangesOwned	12000000	USD
CY2017Q3	us-gaap	Minimum Net Capital Required For Broker Dealer Subsidiary1 MinimumNetCapitalRequiredForBrokerDealerSubsidiary1	1000000	USD
CY2017Q3	us-gaap	Minimum Net Capital Required For Entity1 MinimumNetCapitalRequiredForEntity1	0.08	USD
CY2015	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	15000000	USD
CY2016	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	121000000	USD
CY2017	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	5700000	USD
CY2015	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	37900000	USD
CY2015	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-15500000	USD
CY2016	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-35500000	USD
CY2017	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-22300000	USD
CY2016	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-27800000	USD
CY2017	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	13900000	USD
CY2015	us-gaap	Noncash Or Part Noncash Acquisition Net Nonmonetary Assets Acquired Liabilities Assumed1 NoncashOrPartNoncashAcquisitionNetNonmonetaryAssetsAcquiredLiabilitiesAssumed1	16300000	USD
CY2016	us-gaap	Noncash Or Part Noncash Acquisition Net Nonmonetary Assets Acquired Liabilities Assumed1 NoncashOrPartNoncashAcquisitionNetNonmonetaryAssetsAcquiredLiabilitiesAssumed1	51100000	USD
CY2017	us-gaap	Noncash Or Part Noncash Acquisition Net Nonmonetary Assets Acquired Liabilities Assumed1 NoncashOrPartNoncashAcquisitionNetNonmonetaryAssetsAcquiredLiabilitiesAssumed1	0	USD
CY2015	us-gaap	Noncash Or Part Noncash Acquisition Value Of Assets Acquired1 NoncashOrPartNoncashAcquisitionValueOfAssetsAcquired1	1011400000	USD
CY2016	us-gaap	Noncash Or Part Noncash Acquisition Value Of Assets Acquired1 NoncashOrPartNoncashAcquisitionValueOfAssetsAcquired1	187100000	USD
CY2017	us-gaap	Noncash Or Part Noncash Acquisition Value Of Assets Acquired1 NoncashOrPartNoncashAcquisitionValueOfAssetsAcquired1	0	USD
CY2015	us-gaap	Noncash Or Part Noncash Acquisition Value Of Liabilities Assumed1 NoncashOrPartNoncashAcquisitionValueOfLiabilitiesAssumed1	995100000	USD
CY2016	us-gaap	Noncash Or Part Noncash Acquisition Value Of Liabilities Assumed1 NoncashOrPartNoncashAcquisitionValueOfLiabilitiesAssumed1	136000000	USD
CY2017	us-gaap	Noncash Or Part Noncash Acquisition Value Of Liabilities Assumed1 NoncashOrPartNoncashAcquisitionValueOfLiabilitiesAssumed1	0	USD
CY2015Q3	us-gaap	Noncurrent Assets NoncurrentAssets	19700000	USD
CY2016Q3	us-gaap	Noncurrent Assets NoncurrentAssets	29400000	USD
CY2017Q3	us-gaap	Noncurrent Assets NoncurrentAssets	38700000	USD
CY2015	us-gaap	Noninterest Expense NoninterestExpense	353700000	USD
CY2015Q4	us-gaap	Noninterest Expense NoninterestExpense	90600000	USD
CY2016Q1	us-gaap	Noninterest Expense NoninterestExpense	92900000	USD
CY2016Q2	us-gaap	Noninterest Expense NoninterestExpense	95900000	USD
CY2016Q3	us-gaap	Noninterest Expense NoninterestExpense	98000000	USD
CY2016	us-gaap	Noninterest Expense NoninterestExpense	377400000	USD
CY2016Q4	us-gaap	Noninterest Expense NoninterestExpense	105900000	USD
CY2017Q1	us-gaap	Noninterest Expense NoninterestExpense	109600000	USD
CY2017Q2	us-gaap	Noninterest Expense NoninterestExpense	108300000	USD
CY2017Q3	us-gaap	Noninterest Expense NoninterestExpense	153600000	USD
CY2017	us-gaap	Noninterest Expense NoninterestExpense	477400000	USD
CY2015	us-gaap	Noninterest Expense Commission Expense NoninterestExpenseCommissionExpense	52700000	USD
CY2015Q4	us-gaap	Noninterest Expense Commission Expense NoninterestExpenseCommissionExpense	12800000	USD
CY2016Q1	us-gaap	Noninterest Expense Commission Expense NoninterestExpenseCommissionExpense	13200000	USD
CY2016Q2	us-gaap	Noninterest Expense Commission Expense NoninterestExpenseCommissionExpense	14800000	USD
CY2016Q3	us-gaap	Noninterest Expense Commission Expense NoninterestExpenseCommissionExpense	28100000	USD
CY2016	us-gaap	Noninterest Expense Commission Expense NoninterestExpenseCommissionExpense	68900000	USD
CY2016Q4	us-gaap	Noninterest Expense Commission Expense NoninterestExpenseCommissionExpense	28700000	USD
CY2017Q1	us-gaap	Noninterest Expense Commission Expense NoninterestExpenseCommissionExpense	28200000	USD
CY2017Q2	us-gaap	Noninterest Expense Commission Expense NoninterestExpenseCommissionExpense	29200000	USD
CY2017Q3	us-gaap	Noninterest Expense Commission Expense NoninterestExpenseCommissionExpense	26900000	USD
CY2017	us-gaap	Noninterest Expense Commission Expense NoninterestExpenseCommissionExpense	113000000	USD
CY2016Q3	us-gaap	Notes Payable To Bank NotesPayableToBank	2800000	USD
CY2017Q3	us-gaap	Notes Payable To Bank NotesPayableToBank	2000000	USD
CY2015Q2	us-gaap	Notes Payable To Bank NotesPayableToBank	4000000	USD
CY2016Q3	us-gaap	Notes Receivable Net NotesReceivableNet	18900000	USD
CY2017Q3	us-gaap	Notes Receivable Net NotesReceivableNet	10600000	USD
CY2015	us-gaap	Occupancy Net OccupancyNet	13500000	USD
CY2016	us-gaap	Occupancy Net OccupancyNet	13300000	USD
CY2017	us-gaap	Occupancy Net OccupancyNet	15200000	USD
CY2015	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-5900000	USD
CY2016	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-7100000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	100000	USD
CY2015	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Reclassification Adjustments Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsNetOfTax	1500000	USD
CY2015	us-gaap	Operating Costs And Expenses OperatingCostsAndExpenses	23500000	USD
CY2016	us-gaap	Operating Costs And Expenses OperatingCostsAndExpenses	29400000	USD
CY2017	us-gaap	Operating Costs And Expenses OperatingCostsAndExpenses	37500000	USD
CY2017Q3	us-gaap	Operating Leases Future Minimum Payments Due OperatingLeasesFutureMinimumPaymentsDue	46400000	USD
CY2017Q3	us-gaap	Operating Leases Future Minimum Payments Due Current OperatingLeasesFutureMinimumPaymentsDueCurrent	8900000	USD
CY2017Q3	us-gaap	Operating Leases Future Minimum Payments Due In Five Years OperatingLeasesFutureMinimumPaymentsDueInFiveYears	4700000	USD
CY2017Q3	us-gaap	Operating Leases Future Minimum Payments Due In Four Years OperatingLeasesFutureMinimumPaymentsDueInFourYears	6700000	USD
CY2017Q3	us-gaap	Operating Leases Future Minimum Payments Due In Three Years OperatingLeasesFutureMinimumPaymentsDueInThreeYears	7700000	USD
CY2017Q3	us-gaap	Operating Leases Future Minimum Payments Due In Two Years OperatingLeasesFutureMinimumPaymentsDueInTwoYears	8300000	USD
CY2017Q3	us-gaap	Operating Leases Future Minimum Payments Due Thereafter OperatingLeasesFutureMinimumPaymentsDueThereafter	10100000	USD
CY2016Q3	us-gaap	Operating Loss Carryforwards OperatingLossCarryforwards	15700000	USD
CY2017Q3	us-gaap	Operating Loss Carryforwards OperatingLossCarryforwards	30100000	USD
CY2017Q3	us-gaap	Other Commitment Due In Next Twelve Months OtherCommitmentDueInNextTwelveMonths	583500000	USD
CY2015	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax	-800000	USD
CY2016	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax	200000	USD
CY2017	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax	1000000	USD
CY2015	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-4000000	USD
CY2016	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-7400000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-1400000	USD
CY2016	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Reclassification Adjustments Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsNetOfTax	200000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Reclassification Adjustments Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsNetOfTax	-1200000	USD
CY2015	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	5400000	USD
CY2016	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	0	USD
CY2017	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	0	USD
CY2015	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	2000000	USD
CY2016	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	0	USD
CY2017	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	-100000	USD
CY2015	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansBeforeTax	300000	USD
CY2016	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansBeforeTax	500000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansBeforeTax	400000	USD
CY2015	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	2700000	USD
CY2016	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	0	USD
CY2017	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	0	USD
CY2015	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	-400000	USD
CY2016	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	0	USD
CY2017	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	0	USD
CY2015	us-gaap	Other Expenses OtherExpenses	6600000	USD
CY2016	us-gaap	Other Expenses OtherExpenses	8000000	USD
CY2017	us-gaap	Other Expenses OtherExpenses	9800000	USD
CY2015	us-gaap	Other Income OtherIncome	300000	USD
CY2016	us-gaap	Other Income OtherIncome	200000	USD
CY2017	us-gaap	Other Income OtherIncome	200000	USD
CY2015	us-gaap	Other Noninterest Expense OtherNoninterestExpense	23500000	USD
CY2015Q4	us-gaap	Other Noninterest Expense OtherNoninterestExpense	25500000	USD
CY2016Q1	us-gaap	Other Noninterest Expense OtherNoninterestExpense	25100000	USD
CY2016Q2	us-gaap	Other Noninterest Expense OtherNoninterestExpense	26500000	USD
CY2016Q3	us-gaap	Other Noninterest Expense OtherNoninterestExpense	32000000	USD
CY2016	us-gaap	Other Noninterest Expense OtherNoninterestExpense	29400000	USD
CY2016Q4	us-gaap	Other Noninterest Expense OtherNoninterestExpense	32800000	USD
CY2017Q1	us-gaap	Other Noninterest Expense OtherNoninterestExpense	31700000	USD
CY2017Q2	us-gaap	Other Noninterest Expense OtherNoninterestExpense	32700000	USD
CY2017Q3	us-gaap	Other Noninterest Expense OtherNoninterestExpense	33200000	USD
CY2017	us-gaap	Other Noninterest Expense OtherNoninterestExpense	37500000	USD
CY2015	us-gaap	Other Tax Expense Benefit OtherTaxExpenseBenefit	0	USD
CY2016	us-gaap	Other Tax Expense Benefit OtherTaxExpenseBenefit	-100000	USD
CY2017	us-gaap	Other Tax Expense Benefit OtherTaxExpenseBenefit	0	USD
CY2016Q3	us-gaap	Payables To Broker Dealers And Clearing Organizations PayablesToBrokerDealersAndClearingOrganizations	260100000	USD
CY2017Q3	us-gaap	Payables To Broker Dealers And Clearing Organizations PayablesToBrokerDealersAndClearingOrganizations	125700000	USD
CY2016Q3	us-gaap	Payables To Customers PayablesToCustomers	2854200000	USD
CY2017Q3	us-gaap	Payables To Customers PayablesToCustomers	3072900000	USD
CY2015	us-gaap	Payments For Proceeds From Previous Acquisition PaymentsForProceedsFromPreviousAcquisition	2200000	USD
CY2016	us-gaap	Payments For Proceeds From Previous Acquisition PaymentsForProceedsFromPreviousAcquisition	2900000	USD
CY2017	us-gaap	Payments For Proceeds From Previous Acquisition PaymentsForProceedsFromPreviousAcquisition	0	USD
CY2015	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	4700000	USD
CY2016	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	19500000	USD
CY2017	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	0	USD
CY2013	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	1700000	USD
CY2015	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	200000	USD
CY2016	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	2100000	USD
CY2017	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	300000	USD
CY2015	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	7800000	USD
CY2016	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	20000000	USD
CY2017	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	6000000	USD
CY2015	us-gaap	Payments To Acquire Other Productive Assets PaymentsToAcquireOtherProductiveAssets	700000	USD
CY2016	us-gaap	Payments To Acquire Other Productive Assets PaymentsToAcquireOtherProductiveAssets	100000	USD
CY2017	us-gaap	Payments To Acquire Other Productive Assets PaymentsToAcquireOtherProductiveAssets	200000	USD
CY2015	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	9100000	USD
CY2016	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	15400000	USD
CY2017	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	16100000	USD
CY2016Q3	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2017Q3	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2016Q3	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	1000000	shares
CY2017Q3	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	1000000	shares
CY2016Q3	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2017Q3	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2016Q3	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2017Q3	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2017Q3	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2016Q3	us-gaap	Preferred Stock Value Outstanding PreferredStockValueOutstanding	0	USD
CY2017Q3	us-gaap	Preferred Stock Value Outstanding PreferredStockValueOutstanding	0	USD
CY2016Q3	us-gaap	Prepaid Expense And Other Assets PrepaidExpenseAndOtherAssets	61900000	USD
CY2017Q3	us-gaap	Prepaid Expense And Other Assets PrepaidExpenseAndOtherAssets	50400000	USD
CY2015	us-gaap	Proceeds From Notes Payable ProceedsFromNotesPayable	4000000	USD
CY2016	us-gaap	Proceeds From Notes Payable ProceedsFromNotesPayable	0	USD
CY2017	us-gaap	Proceeds From Notes Payable ProceedsFromNotesPayable	0	USD
CY2015	us-gaap	Proceeds From Repayments Of Debt ProceedsFromRepaymentsOfDebt	15500000	USD
CY2016	us-gaap	Proceeds From Repayments Of Debt ProceedsFromRepaymentsOfDebt	142000000	USD
CY2017	us-gaap	Proceeds From Repayments Of Debt ProceedsFromRepaymentsOfDebt	48200000	USD
CY2015	us-gaap	Proceeds From Sale Of Productive Assets ProceedsFromSaleOfProductiveAssets	2100000	USD
CY2016	us-gaap	Proceeds From Sale Of Productive Assets ProceedsFromSaleOfProductiveAssets	0	USD
CY2017	us-gaap	Proceeds From Sale Of Productive Assets ProceedsFromSaleOfProductiveAssets	0	USD
CY2015	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	2500000	USD
CY2016	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	3500000	USD
CY2017	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	3400000	USD
CY2015	us-gaap	Professional Fees ProfessionalFees	12500000	USD
CY2016	us-gaap	Professional Fees ProfessionalFees	14000000	USD
CY2017	us-gaap	Professional Fees ProfessionalFees	15200000	USD
CY2015	us-gaap	Profit Loss ProfitLoss	55700000	USD
CY2015Q4	us-gaap	Profit Loss ProfitLoss	8800000	USD
CY2016Q1	us-gaap	Profit Loss ProfitLoss	14500000	USD
CY2016Q2	us-gaap	Profit Loss ProfitLoss	14600000	USD
CY2016Q3	us-gaap	Profit Loss ProfitLoss	16800000	USD
CY2016	us-gaap	Profit Loss ProfitLoss	54700000	USD
CY2016Q4	us-gaap	Profit Loss ProfitLoss	6300000	USD
CY2017Q1	us-gaap	Profit Loss ProfitLoss	11000000	USD
CY2017Q2	us-gaap	Profit Loss ProfitLoss	12700000	USD
CY2017Q3	us-gaap	Profit Loss ProfitLoss	-23600000	USD
CY2017	us-gaap	Profit Loss ProfitLoss	6400000	USD
CY2016Q3	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	62100000	USD
CY2017Q3	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	70500000	USD
CY2016Q3	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	29400000	USD
CY2017Q3	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	38700000	USD
CY2015	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	7300000	USD
CY2016	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	4400000	USD
CY2017	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	4300000	USD
CY2017Q3	us-gaap	Purchase Obligation Due After Fifth Year PurchaseObligationDueAfterFifthYear	1700000	USD
CY2017Q3	us-gaap	Purchase Obligation Due In Fourth And Fifth Year PurchaseObligationDueInFourthAndFifthYear	2100000	USD
CY2017Q3	us-gaap	Purchase Obligation Due In Next Twelve Months PurchaseObligationDueInNextTwelveMonths	675700000	USD
CY2017Q3	us-gaap	Purchase Obligation Due In Second And Third Year PurchaseObligationDueInSecondAndThirdYear	1800000	USD
CY2016Q3	us-gaap	Receivables From Brokers Dealers And Clearing Organizations ReceivablesFromBrokersDealersAndClearingOrganizations	1761400000	USD
CY2017Q3	us-gaap	Receivables From Brokers Dealers And Clearing Organizations ReceivablesFromBrokersDealersAndClearingOrganizations	2625100000	USD
CY2015	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	0	USD
CY2016	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	0	USD
CY2017	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	45500000	USD
CY2015	us-gaap	Repayments Of Notes Payable RepaymentsOfNotesPayable	400000	USD
CY2016	us-gaap	Repayments Of Notes Payable RepaymentsOfNotesPayable	800000	USD
CY2017	us-gaap	Repayments Of Notes Payable RepaymentsOfNotesPayable	800000	USD
CY2016Q3	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	255100000	USD
CY2017Q3	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	261500000	USD
CY2017Q1	us-gaap	Revenues Net Of Interest Expense RevenuesNetOfInterestExpense	123900000	USD
CY2017Q2	us-gaap	Revenues Net Of Interest Expense RevenuesNetOfInterestExpense	123300000	USD
CY2017Q3	us-gaap	Revenues Net Of Interest Expense RevenuesNetOfInterestExpense	131100000	USD
CY2015	us-gaap	Revenues Revenues	34693200000	USD
CY2015Q4	us-gaap	Revenues Revenues	3399900000	USD
CY2016Q1	us-gaap	Revenues Revenues	3708900000	USD
CY2016Q2	us-gaap	Revenues Revenues	4868500000	USD
CY2016Q3	us-gaap	Revenues Revenues	2777600000	USD
CY2016	us-gaap	Revenues Revenues	14754900000	USD
CY2016Q4	us-gaap	Revenues Revenues	6074400000	USD
CY2017Q1	us-gaap	Revenues Revenues	5460800000	USD
CY2017Q2	us-gaap	Revenues Revenues	5505900000	USD
CY2017Q3	us-gaap	Revenues Revenues	12382500000	USD
CY2017	us-gaap	Revenues Revenues	29423600000	USD
CY2015	us-gaap	Revenues Net Of Interest Expense RevenuesNetOfInterestExpense	431800000	USD
CY2015Q4	us-gaap	Revenues Net Of Interest Expense RevenuesNetOfInterestExpense	102700000	USD
CY2016Q1	us-gaap	Revenues Net Of Interest Expense RevenuesNetOfInterestExpense	112900000	USD
CY2016Q2	us-gaap	Revenues Net Of Interest Expense RevenuesNetOfInterestExpense	117300000	USD
CY2016Q3	us-gaap	Revenues Net Of Interest Expense RevenuesNetOfInterestExpense	111000000	USD
CY2016	us-gaap	Revenues Net Of Interest Expense RevenuesNetOfInterestExpense	443900000	USD
CY2016Q4	us-gaap	Revenues Net Of Interest Expense RevenuesNetOfInterestExpense	114300000	USD
CY2017	us-gaap	Revenues Net Of Interest Expense RevenuesNetOfInterestExpense	492600000	USD
CY2015	us-gaap	Sales Revenue Goods Net SalesRevenueGoodsNet	34089900000	USD
CY2016	us-gaap	Sales Revenue Goods Net SalesRevenueGoodsNet	14112000000	USD
CY2017	us-gaap	Sales Revenue Goods Net SalesRevenueGoodsNet	28673300000	USD
CY2016Q3	us-gaap	Securities Borrowed SecuritiesBorrowed	0	USD
CY2017Q3	us-gaap	Securities Borrowed SecuritiesBorrowed	86600000	USD
CY2016Q3	us-gaap	Securities Loaned SecuritiesLoaned	0	USD
CY2017Q3	us-gaap	Securities Loaned SecuritiesLoaned	111100000	USD
CY2017Q3	us-gaap	Securities Loaned Fair Value Of Collateral SecuritiesLoanedFairValueOfCollateral	108400000	USD
CY2016Q3	us-gaap	Securities Purchased Under Agreements To Resell SecuritiesPurchasedUnderAgreementsToResell	609600000	USD
CY2017Q3	us-gaap	Securities Purchased Under Agreements To Resell SecuritiesPurchasedUnderAgreementsToResell	406600000	USD
CY2016Q3	us-gaap	Securities Sold Under Agreements To Repurchase SecuritiesSoldUnderAgreementsToRepurchase	1167100000	USD
CY2017Q3	us-gaap	Securities Sold Under Agreements To Repurchase SecuritiesSoldUnderAgreementsToRepurchase	1393100000	USD
CY2016Q3	us-gaap	Securities Sold Under Agreements To Repurchase Fair Value Of Collateral SecuritiesSoldUnderAgreementsToRepurchaseFairValueOfCollateral	47200000	USD
CY2017Q3	us-gaap	Securities Sold Under Agreements To Repurchase Fair Value Of Collateral SecuritiesSoldUnderAgreementsToRepurchaseFairValueOfCollateral	19400000	USD
CY2016Q3	us-gaap	Self Insurance Reserve SelfInsuranceReserve	1000000	USD
CY2017Q3	us-gaap	Self Insurance Reserve SelfInsuranceReserve	800000	USD
CY2015Q3	us-gaap	Senior Notes SeniorNotes	45500000	USD
CY2016Q3	us-gaap	Senior Notes SeniorNotes	44500000	USD
CY2017Q3	us-gaap	Senior Notes SeniorNotes	0	USD
CY2015	us-gaap	Share Based Compensation ShareBasedCompensation	3600000	USD
CY2016	us-gaap	Share Based Compensation ShareBasedCompensation	5100000	USD
CY2017	us-gaap	Share Based Compensation ShareBasedCompensation	6300000	USD
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeited In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod	459	shares
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeitures Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue	37.31
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod	147726	shares
CY2017	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	40.98
CY2016Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber	357752	shares
CY2017Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber	354474	shares
CY2016Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue	27.39
CY2017Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue	33.34
CY2016	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Outstanding Weighted Average Remaining Contractual Terms ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageRemainingContractualTerms	P1Y4M21D
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Outstanding Weighted Average Remaining Contractual Terms ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageRemainingContractualTerms	P1Y3M4D
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod	150545	shares
CY2017	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	26.69
CY2015	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0.00
CY2016	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0.00
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0.00
CY2015	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.28
CY2016	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.28
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.31
CY2015	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.0066
CY2016	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.0083
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.0099
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Non Option Equity Instruments Forfeitures ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsForfeitures	459	shares
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Non Option Equity Instruments Granted ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsGranted	1459976	shares
CY2016Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Non Option Equity Instruments Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingNumber	747782	shares
CY2017Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Non Option Equity Instruments Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingNumber	1459976	shares
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Non Option Equity Instruments Period Increase Decrease ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsPeriodIncreaseDecrease	147726	shares
CY2017Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Authorized ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized	1000000	shares
CY2016Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant	754163	shares
CY2017Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant	652494	shares
CY2017Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	222116	shares
CY2017Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	24.42
CY2015	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	3600000	USD
CY2016	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	1900000	USD
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	2600000	USD
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Expirations In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod	181834	shares
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	8331	shares
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	110000	shares
CY2015	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	4.31
CY2016	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	6.40
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	8.67
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Other Increases Decreases In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOtherIncreasesDecreasesInPeriod	-106996	shares
CY2016Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	14100000	USD
CY2017Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	9800000	USD
CY2016Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	1215821	shares
CY2017Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	881403	shares
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Period Increase Decrease ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingPeriodIncreaseDecrease	110000	shares
CY2016Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	29.55
CY2015	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	3000000	USD
CY2016	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	3500000	USD
CY2017	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	3300000	USD
CY2016Q3	us-gaap	Stockholders Equity StockholdersEquity	433800000	USD
CY2017Q3	us-gaap	Stockholders Equity StockholdersEquity	449900000	USD
CY2017Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	27.31
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Shares Issued In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod	1500000	shares
CY2017	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	22.54
CY2017	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Expirations In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice	54.02
CY2017	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	26.15
CY2017	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	38.77
CY2017Q3	us-gaap	Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Number Of Outstanding Options ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions	881403	shares
CY2016Q3	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Equity Instruments Other Than Options Aggregate Intrinsic Value Outstanding SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueOutstanding	13900000	USD
CY2017Q3	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Equity Instruments Other Than Options Aggregate Intrinsic Value Outstanding SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueOutstanding	13600000	USD
CY2015	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P3Y2M19D
CY2016	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P3Y22D
CY2017	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P3Y29D
CY2017Q3	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	3100000	USD
CY2017	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1	P2Y6M7D
CY2016	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P3Y9M18D
CY2017	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P3Y6M26D
CY2017Q3	us-gaap	Sharebased Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Outstanding Options Weighted Average Exercise Price Beginning Balance1 SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1	27.31
CY2017	us-gaap	Sharebased Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Outstanding Options Weighted Average Remaining Contractual Term2 SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageRemainingContractualTerm2	P3Y6M26D
CY2017	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	155588	shares
CY2013	us-gaap	Stock Issued During Period Value Acquisitions StockIssuedDuringPeriodValueAcquisitions	0	USD
CY2014Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	345400000	USD
CY2015Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	397100000	USD
CY2016Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	433800000	USD
CY2017Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	449900000	USD
CY2015	us-gaap	Supplemental Deferred Purchase Price SupplementalDeferredPurchasePrice	5000000	USD
CY2016	us-gaap	Supplemental Deferred Purchase Price SupplementalDeferredPurchasePrice	0	USD
CY2017	us-gaap	Supplemental Deferred Purchase Price SupplementalDeferredPurchasePrice	0	USD
CY2015	us-gaap	Supplies And Postage Expense SuppliesAndPostageExpense	1200000	USD
CY2016	us-gaap	Supplies And Postage Expense SuppliesAndPostageExpense	1100000	USD
CY2017	us-gaap	Supplies And Postage Expense SuppliesAndPostageExpense	2100000	USD
CY2015	us-gaap	Taxes Excluding Income And Excise Taxes TaxesExcludingIncomeAndExciseTaxes	3700000	USD
CY2016	us-gaap	Taxes Excluding Income And Excise Taxes TaxesExcludingIncomeAndExciseTaxes	4300000	USD
CY2017	us-gaap	Taxes Excluding Income And Excise Taxes TaxesExcludingIncomeAndExciseTaxes	4600000	USD
CY2015	us-gaap	Technology Services Costs TechnologyServicesCosts	4700000	USD
CY2016	us-gaap	Technology Services Costs TechnologyServicesCosts	7100000	USD
CY2017	us-gaap	Technology Services Costs TechnologyServicesCosts	11600000	USD
CY2015	us-gaap	Trading Gains Losses TradingGainsLosses	328600000	USD
CY2016	us-gaap	Trading Gains Losses TradingGainsLosses	321200000	USD
CY2017	us-gaap	Trading Gains Losses TradingGainsLosses	332200000	USD
CY2015	us-gaap	Travel And Entertainment Expense TravelAndEntertainmentExpense	10500000	USD
CY2016	us-gaap	Travel And Entertainment Expense TravelAndEntertainmentExpense	11500000	USD
CY2017	us-gaap	Travel And Entertainment Expense TravelAndEntertainmentExpense	13300000	USD
CY2016Q3	us-gaap	Treasury Stock Shares TreasuryStockShares	2121957	shares
CY2017Q3	us-gaap	Treasury Stock Shares TreasuryStockShares	2121957	shares
CY2016Q3	us-gaap	Treasury Stock Value TreasuryStockValue	46300000	USD
CY2017Q3	us-gaap	Treasury Stock Value TreasuryStockValue	46300000	USD
CY2015	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	4700000	USD
CY2016	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	19500000	USD
CY2016Q3	us-gaap	Undistributed Earnings Of Foreign Subsidiaries UndistributedEarningsOfForeignSubsidiaries	294300000	USD
CY2017Q3	us-gaap	Undistributed Earnings Of Foreign Subsidiaries UndistributedEarningsOfForeignSubsidiaries	321300000	USD
CY2014Q3	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	0	USD
CY2015Q3	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	0	USD
CY2016Q3	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	100000	USD
CY2017Q3	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	100000	USD
CY2015	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	0	USD
CY2016	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	0	USD
CY2017	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	0	USD
CY2015	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	0	USD
CY2016	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	0	USD
CY2017	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	0	USD
CY2017	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Expense UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense	0	USD
CY2015	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	0	USD
CY2016	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	0	USD
CY2017	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	0	USD
CY2015	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	0	USD
CY2016	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	100000	USD
CY2017	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	0	USD
CY2015	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	0	USD
CY2016	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	0	USD
CY2017	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	0	USD
CY2015	us-gaap	Unusual Or Infrequent Item Loss Gross UnusualOrInfrequentItemLossGross	0	USD
CY2016	us-gaap	Unusual Or Infrequent Item Loss Gross UnusualOrInfrequentItemLossGross	0	USD
CY2016Q4	us-gaap	Unusual Or Infrequent Item Loss Gross UnusualOrInfrequentItemLossGross	0	USD
CY2017Q1	us-gaap	Unusual Or Infrequent Item Loss Gross UnusualOrInfrequentItemLossGross	0	USD
CY2017Q2	us-gaap	Unusual Or Infrequent Item Loss Gross UnusualOrInfrequentItemLossGross	0	USD
CY2017Q3	us-gaap	Unusual Or Infrequent Item Loss Gross UnusualOrInfrequentItemLossGross	47000000	USD
CY2017	us-gaap	Unusual Or Infrequent Item Loss Gross UnusualOrInfrequentItemLossGross	47000000	USD
CY2017	us-gaap	Valuation Allowance Deferred Tax Asset Change In Amount ValuationAllowanceDeferredTaxAssetChangeInAmount	400000	USD
CY2015	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	18932235	shares
CY2016	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	18625372	shares
CY2017	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	18687354	shares
CY2015	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	18525374	shares
CY2016	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	18410561	shares
CY2017	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	18395987	shares
CY2017	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 with and Receivables from 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 aforementioned 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. 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 deposits 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, 2017 and 2016</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;">$2.3 billion</font><font style="font-family:inherit;font-size:10pt;"> and </font><font style="font-family:inherit;font-size:10pt;">$0.9 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. Securities that are not customer-owned are adjusted to fair value with associated changes in unrealized gains or losses recorded through current period earnings. For customer owned securities, the change in fair value is offset against the payable to customers with no impact recognized in 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. Treasury securities, held by INTL FCStone Financial, a subsidiary of the Company, 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;">$251.4 million</font><font style="font-family:inherit;font-size:10pt;"> and </font><font style="font-family:inherit;font-size:10pt;">$471.7 million</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, 2017 and 2016</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 within the FCM Division of INTL FCStone Financial. Based on a review of the agreements with the customer, management believes the transferor surrenders control over those assets because: (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, 2017 and 2016</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 from broker-dealers, clearing organizations and counterparties, and payables to broker-dealers, clearing organizations and counterparties also include amounts related to the value of customers cross-currency payment transactions related to the Global Payments segment. These amounts arise due to a clearing period before the funds are received and payments are made, which usually is one to two business days.</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>
CY2017	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;">2017</font><font style="font-family:inherit;font-size:10pt;">, fiscal </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">2016</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;">2015</font><font style="font-family:inherit;font-size:10pt;"> refer to the Company’s fiscal years ended September 30.</font></div></div>
CY2017	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, self-insurance liabilities, 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>

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$SNEX
StoneX Group Inc. Stock $snex

2017 Form 10-K Financial Statement

#000091376017000119 Filed on December 14, 2017

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$SNEX StoneX Group Inc. Stock $snex

2017 Form 10-K Financial Statement

#000091376017000119 Filed on December 14, 2017

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$SNEX
StoneX Group Inc. Stock $snex