$ASGN
ASGN Inc Stock $asgn

$asgn Overview Financials Valuation SEC Filings Company Website

2011 Q4 Form 8-K Financial Statement

#000089056413000032 Filed on June 13, 2013

Income Statement

Concept	2011 Q4	2011 Q3	2011 Q2
Revenue	$148.0M	$147.0M	$132.9M
YoY Change	22.14%	26.63%	27.14%
Cost Of Revenue	$108.2M	$107.8M	$94.90M
YoY Change	37.14%	43.79%	37.14%
Gross Profit	$50.15M	$50.79M	$46.18M
YoY Change	18.84%	23.58%	30.82%
Gross Profit Margin	33.88%	34.55%	34.76%
Selling, General & Admin	$39.40M	$40.79M	$38.00M
YoY Change	11.3%	21.04%	18.75%
% of Gross Profit	78.56%	80.31%	82.29%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$2.300M	$2.300M	$2.300M
YoY Change	15.0%	15.0%	15.0%
% of Gross Profit	4.59%	4.53%	4.98%
Operating Expenses	$40.10M	$40.79M	$38.00M
YoY Change	13.28%	21.04%	19.12%
Operating Profit	$10.05M	$13.74M	$8.179M
YoY Change	47.81%	85.62%	140.56%
Interest Expense	-$700.0K	$750.0K	-$800.0K
YoY Change	-80.0%	-146.88%	-50.0%
% of Operating Profit	-6.96%	5.46%	-9.78%
Other Income/Expense, Net
YoY Change
Pretax Income	$12.80M	$13.00M	$10.00M
YoY Change	-206.67%	124.21%	455.56%
Income Tax	$5.300M	$5.237M	$4.200M
% Of Pretax Income	41.41%	40.27%	42.0%
Net Earnings	$7.501M	$7.767M	$5.865M
YoY Change	-154.75%	142.72%	551.67%
Net Earnings / Revenue	5.07%	5.28%	4.41%
Basic Earnings Per Share	$0.20	$0.21	$0.16
Diluted Earnings Per Share	$0.20	$0.21	$0.16
COMMON SHARES
Basic Shares Outstanding		37.00M shares
Diluted Shares Outstanding		37.77M shares

Balance Sheet

Concept	2011 Q4	2011 Q3	2011 Q2
SHORT-TERM ASSETS
Cash & Short-Term Investments	$17.70M	$13.20M	$19.20M
YoY Change	-3.8%	-56.44%	-37.05%
Cash & Equivalents	$17.74M	$13.25M	$19.20M
Short-Term Investments
Other Short-Term Assets	$3.534M	$14.20M	$14.70M
YoY Change	-75.96%	22.41%	4.26%
Inventory
Prepaid Expenses	$6.645M
Receivables	$93.93M	$96.50M	$80.80M
Other Receivables	$0.00	$0.00	$0.00
Total Short-Term Assets	$131.1M	$124.0M	$114.7M
YoY Change	37.15%	21.09%	18.49%
LONG-TERM ASSETS
Property, Plant & Equipment	$18.06M	$17.50M	$17.50M
YoY Change	14.28%	12.18%	13.64%
Goodwill	$229.2M
YoY Change	14.78%
Intangibles	$55.25M
YoY Change
Long-Term Investments
YoY Change
Other Assets	$2.054M	$4.200M	$4.700M
YoY Change	-57.21%	-6.67%	2.17%
Total Long-Term Assets	$296.2M	$282.7M	$269.0M
YoY Change	20.62%	8.69%	5.74%
TOTAL ASSETS
Total Short-Term Assets	$131.1M	$124.0M	$114.7M
Total Long-Term Assets	$296.2M	$282.7M	$269.0M
Total Assets	$427.3M	$406.7M	$383.7M
YoY Change	25.26%	12.19%	9.25%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$4.112M	$9.100M	$7.900M
YoY Change	-23.85%	59.65%	64.58%
Accrued Expenses	$38.80M	$39.40M	$36.90M
YoY Change	44.78%	43.27%	43.02%
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due	$5.000M	$5.000M	$5.000M
YoY Change	0.0%
Total Short-Term Liabilities	$56.41M	$65.00M	$60.20M
YoY Change	25.08%	59.31%	68.16%
LONG-TERM LIABILITIES
Long-Term Debt	$81.75M	$83.00M	$72.30M
YoY Change	32.28%	6.55%	-7.19%
Other Long-Term Liabilities	$4.539M	$10.20M	$8.300M
YoY Change	-3.43%	131.82%	130.56%
Total Long-Term Liabilities	$86.29M	$93.20M	$80.60M
YoY Change	29.76%	13.24%	-1.1%
TOTAL LIABILITIES
Total Short-Term Liabilities	$56.41M	$65.00M	$60.20M
Total Long-Term Liabilities	$86.29M	$93.20M	$80.60M
Total Liabilities	$163.9M	$168.1M	$150.7M
YoY Change	34.8%	30.31%	22.22%
SHAREHOLDERS EQUITY
Retained Earnings	$19.03M
YoY Change
Common Stock	$229.7M
YoY Change
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$246.7M	$238.7M	$232.9M
YoY Change
Total Liabilities & Shareholders Equity	$410.7M	$406.7M	$383.7M
YoY Change	20.39%	12.19%	9.25%

Cashflow Statement

Concept	2011 Q4	2011 Q3	2011 Q2
OPERATING ACTIVITIES
Net Income	$7.501M	$7.767M	$5.865M
YoY Change	-154.75%	142.72%	551.67%
Depreciation, Depletion And Amortization	$2.300M	$2.300M	$2.300M
YoY Change	15.0%	15.0%	15.0%
Cash From Operating Activities	$8.300M	$2.200M	$7.100M
YoY Change	27.69%	-62.71%	-12.35%
INVESTING ACTIVITIES
Capital Expenditures	-$2.400M	-$1.300M	-$2.000M
YoY Change	14.29%	-7.14%	33.33%
Acquisitions
YoY Change
Other Investing Activities	-$300.0K	-$15.60M	-$300.0K
YoY Change	50.0%	218.37%	-94.34%
Cash From Investing Activities	-$2.600M	-$17.00M	-$2.300M
YoY Change	13.04%	169.84%	-66.18%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-900.0K	9.300M	-2.400M
YoY Change	-94.34%	-4750.0%	1100.0%
NET CHANGE
Cash From Operating Activities	8.300M	2.200M	7.100M
Cash From Investing Activities	-2.600M	-17.00M	-2.300M
Cash From Financing Activities	-900.0K	9.300M	-2.400M
Net Change In Cash	4.800M	-5.500M	2.400M
YoY Change	-141.03%	816.67%	118.18%
FREE CASH FLOW
Cash From Operating Activities	$8.300M	$2.200M	$7.100M
Capital Expenditures	-$2.400M	-$1.300M	-$2.000M
Free Cash Flow	$10.70M	$3.500M	$9.100M
YoY Change	24.42%	-52.05%	-5.21%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2012	asgn	Business Acquisitions Pro Forma Operating Income BusinessAcquisitionsProFormaOperatingIncome	113738000	USD
CY2012Q4	us-gaap	Accounts Payable And Accrued Liabilities Current AccountsPayableAndAccruedLiabilitiesCurrent	6563000	USD
CY2011Q4	us-gaap	Accounts Payable And Accrued Liabilities Current AccountsPayableAndAccruedLiabilitiesCurrent	3488000	USD
CY2011Q4	us-gaap	Accounts Payable And Accrued Liabilities Noncurrent AccountsPayableAndAccruedLiabilitiesNoncurrent	6368000	USD
CY2012Q4	us-gaap	Accounts Payable And Accrued Liabilities Noncurrent AccountsPayableAndAccruedLiabilitiesNoncurrent	1014000	USD
CY2011Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	4112000	USD
CY2012Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	6810000	USD
CY2010Q4	us-gaap	Accounts Receivable Gross Current AccountsReceivableGrossCurrent	64693000	USD
CY2012Q4	us-gaap	Accounts Receivable Gross Current AccountsReceivableGrossCurrent	246973000	USD
CY2011Q4	us-gaap	Accounts Receivable Gross Current AccountsReceivableGrossCurrent	96702000	USD
CY2012Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	243003000	USD
CY2011Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	93925000	USD
CY2011Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	29823000	USD
CY2012Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	35172000	USD
CY2012Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-1205000	USD
CY2011Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-2038000	USD
CY2012Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	471711000	USD
CY2011Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	229377000	USD
CY2010	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	7151000	USD
CY2011	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	5868000	USD
CY2012	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	9558000	USD
CY2012	us-gaap	Adjustments To Additional Paid In Capital Tax Effect From Share Based Compensation AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation	4528000	USD
CY2010	us-gaap	Adjustments To Additional Paid In Capital Tax Effect From Share Based Compensation AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation	-334000	USD
CY2011	us-gaap	Adjustments To Additional Paid In Capital Tax Effect From Share Based Compensation AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation	881000	USD
CY2010	us-gaap	Advertising Expense AdvertisingExpense	2800000	USD
CY2011	us-gaap	Advertising Expense AdvertisingExpense	2900000	USD
CY2012	us-gaap	Advertising Expense AdvertisingExpense	4900000	USD
CY2012	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	9600000	USD
CY2011	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	6900000	USD
CY2010	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	7700000	USD
CY2012Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	3970000	USD
CY2011Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	2777000	USD
CY2012	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	1960000	USD
CY2011	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	460000	USD
CY2010	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	961000	USD
CY2012	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	18016000	USD
CY2011	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	2346000	USD
CY2010	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	2115000	USD
CY2012	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	83000	shares
CY2011	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	1039000	shares
CY2010	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	1339000	shares
CY2012Q4	us-gaap	Assets Assets	1098021000	USD
CY2011Q4	us-gaap	Assets Assets	410665000	USD
CY2010Q4	us-gaap	Assets Assets	341116000	USD
CY2012Q4	us-gaap	Assets Current AssetsCurrent	293757000	USD
CY2011Q4	us-gaap	Assets Current AssetsCurrent	131114000	USD
CY2012Q4	us-gaap	Business Acquisition Contingent Consideration Potential Cash Payment BusinessAcquisitionContingentConsiderationPotentialCashPayment	9100000	USD
CY2011	us-gaap	Business Acquisition Pro Forma Earnings Per Share Basic BusinessAcquisitionProFormaEarningsPerShareBasic	0.51
CY2012	us-gaap	Business Acquisition Pro Forma Earnings Per Share Basic BusinessAcquisitionProFormaEarningsPerShareBasic	1.07
CY2012	us-gaap	Business Acquisition Pro Forma Earnings Per Share Diluted BusinessAcquisitionProFormaEarningsPerShareDiluted	1.05
CY2011	us-gaap	Business Acquisition Pro Forma Earnings Per Share Diluted BusinessAcquisitionProFormaEarningsPerShareDiluted	0.50
CY2012	us-gaap	Business Acquisition Pro Forma Income Loss From Continuing Operations Before Changes In Accounting And Extraordinary Items Net Of Tax Per Share Basic BusinessAcquisitionProFormaIncomeLossFromContinuingOperationsBeforeChangesInAccountingAndExtraordinaryItemsNetOfTaxPerShareBasic	0.99
CY2011	us-gaap	Business Acquisition Pro Forma Income Loss From Continuing Operations Before Changes In Accounting And Extraordinary Items Net Of Tax Per Share Basic BusinessAcquisitionProFormaIncomeLossFromContinuingOperationsBeforeChangesInAccountingAndExtraordinaryItemsNetOfTaxPerShareBasic	0.46
CY2011	us-gaap	Business Acquisition Pro Forma Income Loss From Continuing Operations Before Changes In Accounting And Extraordinary Items Net Of Tax Per Share Diluted BusinessAcquisitionProFormaIncomeLossFromContinuingOperationsBeforeChangesInAccountingAndExtraordinaryItemsNetOfTaxPerShareDiluted	0.45
CY2012	us-gaap	Business Acquisition Pro Forma Income Loss From Continuing Operations Before Changes In Accounting And Extraordinary Items Net Of Tax Per Share Diluted BusinessAcquisitionProFormaIncomeLossFromContinuingOperationsBeforeChangesInAccountingAndExtraordinaryItemsNetOfTaxPerShareDiluted	0.97
CY2011Q4	us-gaap	Business Acquisition Purchase Price Allocation Assets Acquired BusinessAcquisitionPurchasePriceAllocationAssetsAcquired	50515000	USD
CY2011Q4	us-gaap	Business Acquisition Purchase Price Allocation Assets Acquired Liabilities Assumed Net BusinessAcquisitionPurchasePriceAllocationAssetsAcquiredLiabilitiesAssumedNet	42808000	USD
CY2011Q4	us-gaap	Business Acquisition Purchase Price Allocation Current Assets BusinessAcquisitionPurchasePriceAllocationCurrentAssets	10282000	USD
CY2011Q4	us-gaap	Business Acquisition Purchase Price Allocation Current Liabilities BusinessAcquisitionPurchasePriceAllocationCurrentLiabilities	5844000	USD
CY2011Q4	us-gaap	Business Acquisition Purchase Price Allocation Goodwill Amount BusinessAcquisitionPurchasePriceAllocationGoodwillAmount	32309000	USD
CY2011Q4	us-gaap	Business Acquisition Purchase Price Allocation Intangible Assets Other Than Goodwill BusinessAcquisitionPurchasePriceAllocationIntangibleAssetsOtherThanGoodwill	7463000	USD
CY2011Q4	us-gaap	Business Acquisition Purchase Price Allocation Liabilities Assumed BusinessAcquisitionPurchasePriceAllocationLiabilitiesAssumed	7707000	USD
CY2011Q4	us-gaap	Business Acquisition Purchase Price Allocation Other Noncurrent Assets BusinessAcquisitionPurchasePriceAllocationOtherNoncurrentAssets	39000	USD
CY2011Q4	us-gaap	Business Acquisition Purchase Price Allocation Other Noncurrent Liabilities BusinessAcquisitionPurchasePriceAllocationOtherNoncurrentLiabilities	1863000	USD
CY2011Q4	us-gaap	Business Acquisition Purchase Price Allocation Property Plant And Equipment BusinessAcquisitionPurchasePriceAllocationPropertyPlantAndEquipment	422000	USD
CY2011	us-gaap	Business Acquisitions Pro Forma Income Loss From Continuing Operations Before Changes In Accounting And Extraordinary Items Net Of Tax BusinessAcquisitionsProFormaIncomeLossFromContinuingOperationsBeforeChangesInAccountingAndExtraordinaryItemsNetOfTax	23574000	USD
CY2012	us-gaap	Business Acquisitions Pro Forma Income Loss From Continuing Operations Before Changes In Accounting And Extraordinary Items Net Of Tax BusinessAcquisitionsProFormaIncomeLossFromContinuingOperationsBeforeChangesInAccountingAndExtraordinaryItemsNetOfTax	51373000	USD
CY2012	us-gaap	Business Acquisitions Pro Forma Net Income Loss BusinessAcquisitionsProFormaNetIncomeLoss	55615000	USD
CY2011	us-gaap	Business Acquisitions Pro Forma Net Income Loss BusinessAcquisitionsProFormaNetIncomeLoss	26109000	USD
CY2012	us-gaap	Business Acquisitions Pro Forma Revenue BusinessAcquisitionsProFormaRevenue	1459762000	USD
CY2011	us-gaap	Business Acquisitions Pro Forma Revenue BusinessAcquisitionsProFormaRevenue	1266523000	USD
CY2010	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-11019000	USD
CY2012	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	43486000	USD
CY2011	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	22255000	USD
CY2012Q4	us-gaap	Contractual Obligation ContractualObligation	481800000	USD
CY2012	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	369000	USD
CY2010	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	383000	USD
CY2011	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	324000	USD
CY2011Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	17739000	USD
CY2012Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	27479000	USD
CY2010Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	18409000	USD
CY2009Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	25974000	USD
CY2012	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	9740000	USD
CY2011	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	-670000	USD
CY2010	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	-7565000	USD
CY2011Q4	us-gaap	Cash Surrender Value Of Life Insurance CashSurrenderValueOfLifeInsurance	2100000	USD
CY2011Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2012Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2012Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2011Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2011Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	75000000	shares
CY2012Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	75000000	shares
CY2012Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	52960570	shares
CY2011Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	37012250	shares
CY2011Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	37012250	shares
CY2012Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	52960570	shares
CY2011Q4	us-gaap	Common Stock Value CommonStockValue	370000	USD
CY2012Q4	us-gaap	Common Stock Value CommonStockValue	530000	USD
CY2012	us-gaap	Concentration Risk Credit Risk ConcentrationRiskCreditRisk	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;text-align:left;text-indent:36px;font-size:9pt;"><font style="font-family:inherit;font-size:9pt;font-style:italic;">Concentration of Credit Risk.</font><font style="font-family:inherit;font-size:9pt;"> Financial instruments that potentially subject the Company to credit risks consist primarily of cash, cash equivalents and trade receivables. The Company places its cash and cash equivalents in low risk investments with quality credit institutions and limits the amount of credit exposure with any single institution above FDIC insured limits. Concentration of credit risk with respect to accounts receivable is limited because of the large number of geographically dispersed customers, thus spreading the trade credit risk. The Company performs ongoing credit evaluations to identify risks and maintains an allowance to address these risks.</font></div></div>
CY2012Q4	us-gaap	Contractual Obligation Due After Fifth Year ContractualObligationDueAfterFifthYear	340852000	USD
CY2012Q4	us-gaap	Contractual Obligation Due In Fifth Year ContractualObligationDueInFifthYear	56263000	USD
CY2012Q4	us-gaap	Contractual Obligation Due In Fourth Year ContractualObligationDueInFourthYear	17080000	USD
CY2012Q4	us-gaap	Contractual Obligation Due In Next Twelve Months ContractualObligationDueInNextTwelveMonths	24811000	USD
CY2012Q4	us-gaap	Contractual Obligation Due In Second Year ContractualObligationDueInSecondYear	22416000	USD
CY2012Q4	us-gaap	Contractual Obligation Due In Third Year ContractualObligationDueInThirdYear	20378000	USD
CY2012	us-gaap	Cost Of Services CostOfServices	808979000	USD
CY2010	us-gaap	Cost Of Services CostOfServices	261989000	USD
CY2011	us-gaap	Cost Of Services CostOfServices	359811000	USD
CY2010	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	862000	USD
CY2011	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	8231000	USD
CY2012	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	18201000	USD
CY2010	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	412000	USD
CY2011	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	1465000	USD
CY2012	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	2645000	USD
CY2010	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	1706000	USD
CY2012	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	23767000	USD
CY2011	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	10970000	USD
CY2012	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	2921000	USD
CY2010	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	432000	USD
CY2011	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	1274000	USD
CY2012Q4	us-gaap	Debt Weighted Average Interest Rate DebtWeightedAverageInterestRate	0.046
CY2012Q4	us-gaap	Deferred Compensation Arrangement With Individual Distributions Paid DeferredCompensationArrangementWithIndividualDistributionsPaid	1200000	USD
CY2012Q4	us-gaap	Deferred Compensation Liability Current DeferredCompensationLiabilityCurrent	10000000	USD
CY2011Q4	us-gaap	Deferred Compensation Liability Current DeferredCompensationLiabilityCurrent	1896000	USD
CY2012Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.22
CY2011Q4	us-gaap	Deferred Compensation Liability Current And Noncurrent DeferredCompensationLiabilityCurrentAndNoncurrent	1900000	USD
CY2012	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	5617000	USD
CY2011	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	3818000	USD
CY2010	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	2260000	USD
CY2012	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-822000	USD
CY2011	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-261000	USD
CY2010	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-212000	USD
CY2011	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	3973000	USD
CY2012	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	5360000	USD
CY2010	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	2048000	USD
CY2012Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	30500000	USD
CY2011Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	19900000	USD
CY2012	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	4970000	USD
CY2010	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	2274000	USD
CY2011	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	3748000	USD
CY2012Q4	us-gaap	Deferred Rent Credit Current DeferredRentCreditCurrent	300000	USD
CY2011Q4	us-gaap	Deferred Rent Credit Noncurrent DeferredRentCreditNoncurrent	2100000	USD
CY2012Q4	us-gaap	Deferred Rent Credit Noncurrent DeferredRentCreditNoncurrent	3800000	USD
CY2012	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	565000	USD
CY2010	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	0	USD
CY2011	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	416000	USD
CY2011Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	14400000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	17700000	USD
CY2011Q4	us-gaap	Deferred Tax Assets Liabilities Net Current DeferredTaxAssetsLiabilitiesNetCurrent	9271000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Liabilities Net Current DeferredTaxAssetsLiabilitiesNetCurrent	10147000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Net Current DeferredTaxAssetsNetCurrent	10147000	USD
CY2011Q4	us-gaap	Deferred Tax Assets Net Current DeferredTaxAssetsNetCurrent	9271000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards State And Local DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal	1064000	USD
CY2011Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards State And Local DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal	534000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	2852000	USD
CY2011Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	3428000	USD
CY2011Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Accrued Liabilities DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities	2923000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Accrued Liabilities DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities	3419000	USD
CY2011Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Allowance For Doubtful Accounts DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts	1007000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Allowance For Doubtful Accounts DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts	1150000	USD
CY2011Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Loss Reserves DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsLossReserves	4277000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Loss Reserves DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsLossReserves	4683000	USD
CY2011Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	670000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	916000	USD
CY2011Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	5585000	USD
CY2012Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	12862000	USD
CY2011Q4	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets	15559000	USD
CY2012Q4	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets	23662000	USD
CY2012Q4	us-gaap	Deferred Tax Liabilities Gross Noncurrent DeferredTaxLiabilitiesGrossNoncurrent	22093000	USD
CY2011Q4	us-gaap	Deferred Tax Liabilities Gross Noncurrent DeferredTaxLiabilitiesGrossNoncurrent	14186000	USD
CY2011Q4	us-gaap	Deferred Tax Liabilities Noncurrent DeferredTaxLiabilitiesNoncurrent	14856000	USD
CY2012Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.14
CY2012Q4	us-gaap	Deferred Tax Liabilities Noncurrent DeferredTaxLiabilitiesNoncurrent	23009000	USD
CY2012Q4	us-gaap	Deferred Tax Liabilities Prepaid Expenses DeferredTaxLiabilitiesPrepaidExpenses	631000	USD
CY2011Q4	us-gaap	Deferred Tax Liabilities Prepaid Expenses DeferredTaxLiabilitiesPrepaidExpenses	319000	USD
CY2011Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	3867000	USD
CY2012Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	4449000	USD
CY2010	us-gaap	Defined Contribution Plan Employer Discretionary Contribution Amount DefinedContributionPlanEmployerDiscretionaryContributionAmount	400000	USD
CY2012	us-gaap	Defined Contribution Plan Employer Discretionary Contribution Amount DefinedContributionPlanEmployerDiscretionaryContributionAmount	3700000	USD
CY2011	us-gaap	Defined Contribution Plan Employer Discretionary Contribution Amount DefinedContributionPlanEmployerDiscretionaryContributionAmount	1100000	USD
CY2012	us-gaap	Depreciation Depreciation	6686000	USD
CY2011	us-gaap	Depreciation Depreciation	6505000	USD
CY2010	us-gaap	Depreciation Depreciation	5881000	USD
CY2011	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	5500000	USD
CY2010	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	4800000	USD
CY2012	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	6600000	USD
CY2012Q3	us-gaap	Derivative Cap Interest Rate DerivativeCapInterestRate	0.030
CY2011Q4	us-gaap	Derivative Fair Value Of Derivative Net DerivativeFairValueOfDerivativeNet	-608000	USD
CY2012Q4	us-gaap	Derivative Fair Value Of Derivative Net DerivativeFairValueOfDerivativeNet	-348000	USD
CY2013Q1	us-gaap	Discontinued Operation Gain Loss On Disposal Of Discontinued Operation Net Of Tax DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax	14400000	USD
CY2011	us-gaap	Discontinued Operation Tax Effect Of Discontinued Operation DiscontinuedOperationTaxEffectOfDiscontinuedOperation	1769000	USD
CY2010	us-gaap	Discontinued Operation Tax Effect Of Discontinued Operation DiscontinuedOperationTaxEffectOfDiscontinuedOperation	987000	USD
CY2012	us-gaap	Discontinued Operation Tax Effect Of Discontinued Operation DiscontinuedOperationTaxEffectOfDiscontinuedOperation	2930000	USD
CY2012	us-gaap	Disposal Group Including Discontinued Operation Operating Income Loss DisposalGroupIncludingDiscontinuedOperationOperatingIncomeLoss	7172000	USD
CY2010	us-gaap	Disposal Group Including Discontinued Operation Operating Income Loss DisposalGroupIncludingDiscontinuedOperationOperatingIncomeLoss	-12994000	USD
CY2011	us-gaap	Disposal Group Including Discontinued Operation Operating Income Loss DisposalGroupIncludingDiscontinuedOperationOperatingIncomeLoss	4316000	USD
CY2011	us-gaap	Disposal Group Including Discontinued Operation Revenue DisposalGroupIncludingDiscontinuedOperationRevenue	49642000	USD
CY2010	us-gaap	Disposal Group Including Discontinued Operation Revenue DisposalGroupIncludingDiscontinuedOperationRevenue	36745000	USD
CY2012	us-gaap	Disposal Group Including Discontinued Operation Revenue DisposalGroupIncludingDiscontinuedOperationRevenue	62190000	USD
CY2010	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.27
CY2011	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.66
CY2012	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.91
CY2011Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.21
CY2011Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.20
CY2011Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.09
CY2011Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.16
CY2012Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.33
CY2012Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.19
CY2011	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.64
CY2010	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.27
CY2012	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.89
CY2011Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.16
CY2011Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.20
CY2011Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.08
CY2011Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.21
CY2012Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.14
CY2012Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.33
CY2012Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.19
CY2012Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.21
CY2011	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	-478000	USD
CY2010	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	-1231000	USD
CY2012	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	131000	USD
CY2012	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.35
CY2010	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.34
CY2011	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.35
CY2012Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	59962000	USD
CY2011Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	24948000	USD
CY2012	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	3500000	USD
CY2011	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	2500000	USD
CY2010	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	2900000	USD
CY2011	us-gaap	Employee Service Share Based Compensation Tax Benefit Realized From Exercise Of Stock Options EmployeeServiceShareBasedCompensationTaxBenefitRealizedFromExerciseOfStockOptions	7500000	USD
CY2012	us-gaap	Employee Service Share Based Compensation Tax Benefit Realized From Exercise Of Stock Options EmployeeServiceShareBasedCompensationTaxBenefitRealizedFromExerciseOfStockOptions	22800000	USD
CY2012Q4	us-gaap	Entity Wide Disclosure On Geographic Areas Long Lived Assets In Entitys Country Of Domicile EntityWideDisclosureOnGeographicAreasLongLivedAssetsInEntitysCountryOfDomicile	40062000	USD
CY2011Q4	us-gaap	Entity Wide Disclosure On Geographic Areas Long Lived Assets In Entitys Country Of Domicile EntityWideDisclosureOnGeographicAreasLongLivedAssetsInEntitysCountryOfDomicile	19078000	USD
CY2010Q4	us-gaap	Entity Wide Disclosure On Geographic Areas Long Lived Assets In Entitys Country Of Domicile EntityWideDisclosureOnGeographicAreasLongLivedAssetsInEntitysCountryOfDomicile	19826000	USD
CY2012Q4	us-gaap	Entity Wide Disclosure On Geographic Areas Long Lived Assets In Foreign Countries EntityWideDisclosureOnGeographicAreasLongLivedAssetsInForeignCountries	2006000	USD
CY2010Q4	us-gaap	Entity Wide Disclosure On Geographic Areas Long Lived Assets In Foreign Countries EntityWideDisclosureOnGeographicAreasLongLivedAssetsInForeignCountries	754000	USD
CY2011Q4	us-gaap	Entity Wide Disclosure On Geographic Areas Long Lived Assets In Foreign Countries EntityWideDisclosureOnGeographicAreasLongLivedAssetsInForeignCountries	1033000	USD
CY2011	us-gaap	Entity Wide Disclosure On Geographic Areas Revenue From External Customers Attributed To Entitys Country Of Domicile EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToEntitysCountryOfDomicile	479508000	USD
CY2012	us-gaap	Entity Wide Disclosure On Geographic Areas Revenue From External Customers Attributed To Entitys Country Of Domicile EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToEntitysCountryOfDomicile	1099746000	USD
CY2010	us-gaap	Entity Wide Disclosure On Geographic Areas Revenue From External Customers Attributed To Entitys Country Of Domicile EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToEntitysCountryOfDomicile	370572000	USD
CY2010	us-gaap	Entity Wide Disclosure On Geographic Areas Revenue From External Customers Attributed To Foreign Countries EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToForeignCountries	30748000	USD
CY2012	us-gaap	Entity Wide Disclosure On Geographic Areas Revenue From External Customers Attributed To Foreign Countries EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToForeignCountries	77769000	USD
CY2011	us-gaap	Entity Wide Disclosure On Geographic Areas Revenue From External Customers Attributed To Foreign Countries EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToForeignCountries	68131000	USD
CY2010	us-gaap	Excess Tax Benefit From Share Based Compensation Financing Activities ExcessTaxBenefitFromShareBasedCompensationFinancingActivities	205000	USD
CY2012	us-gaap	Excess Tax Benefit From Share Based Compensation Financing Activities ExcessTaxBenefitFromShareBasedCompensationFinancingActivities	4638000	USD
CY2011	us-gaap	Excess Tax Benefit From Share Based Compensation Financing Activities ExcessTaxBenefitFromShareBasedCompensationFinancingActivities	1113000	USD
CY2011	us-gaap	Excess Tax Benefit From Share Based Compensation Operating Activities ExcessTaxBenefitFromShareBasedCompensationOperatingActivities	1113000	USD
CY2010	us-gaap	Excess Tax Benefit From Share Based Compensation Operating Activities ExcessTaxBenefitFromShareBasedCompensationOperatingActivities	205000	USD
CY2012	us-gaap	Excess Tax Benefit From Share Based Compensation Operating Activities ExcessTaxBenefitFromShareBasedCompensationOperatingActivities	4638000	USD
CY2011	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	16163000	USD
CY2012Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	52154000	USD
CY2011Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	34094000	USD
CY2012Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense After Year Five FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive	18522000	USD
CY2012Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	20973000	USD
CY2012Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	8996000	USD
CY2012Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	12369000	USD
CY2012Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	14305000	USD
CY2012Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	16823000	USD
CY2011Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	39252000	USD
CY2012Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	144142000	USD
CY2012Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	91988000	USD
CY2011Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	5158000	USD
CY2011Q4	us-gaap	Goodwill Goodwill	229234000	USD
CY2012Q4	us-gaap	Goodwill Goodwill	498356000	USD
CY2010Q4	us-gaap	Goodwill Goodwill	199720000	USD
CY2012	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	266788000	USD
CY2011Q4	us-gaap	Goodwill Gross GoodwillGross	350951000	USD
CY2012Q4	us-gaap	Goodwill Gross GoodwillGross	620073000	USD
CY2010Q4	us-gaap	Goodwill Gross GoodwillGross	321437000	USD
CY2010	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	15399000	USD
CY2011	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	USD
CY2010Q4	us-gaap	Goodwill Impaired Accumulated Impairment Loss GoodwillImpairedAccumulatedImpairmentLoss	121717000	USD
CY2012Q4	us-gaap	Goodwill Impaired Accumulated Impairment Loss GoodwillImpairedAccumulatedImpairmentLoss	121717000	USD
CY2011Q4	us-gaap	Goodwill Impaired Accumulated Impairment Loss GoodwillImpairedAccumulatedImpairmentLoss	121717000	USD
CY2012	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	USD
CY2010Q4	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	15400000	USD
CY2012	us-gaap	Goodwill Purchase Accounting Adjustments GoodwillPurchaseAccountingAdjustments	1805000	USD
CY2012	us-gaap	Goodwill Translation Adjustments GoodwillTranslationAdjustments	529000	USD
CY2011	us-gaap	Goodwill Translation Adjustments GoodwillTranslationAdjustments	-990000	USD
CY2010	us-gaap	Gross Profit GrossProfit	139331000	USD
CY2011	us-gaap	Gross Profit GrossProfit	187828000	USD
CY2012	us-gaap	Gross Profit GrossProfit	368536000	USD
CY2011Q1	us-gaap	Gross Profit GrossProfit	40705000	USD
CY2011Q3	us-gaap	Gross Profit GrossProfit	50793000	USD
CY2011Q4	us-gaap	Gross Profit GrossProfit	50151000	USD
CY2011Q2	us-gaap	Gross Profit GrossProfit	46179000	USD
CY2012Q4	us-gaap	Gross Profit GrossProfit	115619000	USD
CY2012Q1	us-gaap	Gross Profit GrossProfit	52749000	USD
CY2012Q3	us-gaap	Gross Profit GrossProfit	115631000	USD
CY2012Q2	us-gaap	Gross Profit GrossProfit	84537000	USD
CY2011	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	21750000	USD
CY2010	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	4084000	USD
CY2012	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	38411000	USD
CY2011Q4	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	6636000	USD
CY2011Q2	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	5450000	USD
CY2011Q3	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	6843000	USD
CY2011Q1	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	2821000	USD
CY2012Q4	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	9748000	USD
CY2012Q1	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	5047000	USD
CY2012Q2	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	7030000	USD
CY2012Q3	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	16586000	USD
CY2010	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	6923000	USD
CY2012	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	65012000	USD
CY2011	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	33089000	USD
CY2011	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	4058000	USD
CY2012	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	2772000	USD
CY2010	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	1130000	USD
CY2011	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	37147000	USD
CY2010	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	8053000	USD
CY2012Q4	us-gaap	Other Commitment Due In Next Twelve Months OtherCommitmentDueInNextTwelveMonths	1266000	USD
CY2012Q4	us-gaap	Other Commitment Due In Second Year OtherCommitmentDueInSecondYear	1299000	USD
CY2012Q4	us-gaap	Liabilities Current LiabilitiesCurrent	118727000	USD
CY2011Q4	us-gaap	Liability For Uncertain Tax Positions Noncurrent LiabilityForUncertainTaxPositionsNoncurrent	300000	USD
CY2012	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	67784000	USD
CY2011	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.59
CY2012	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.82
CY2010	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.11
CY2011Q2	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.15
CY2011Q3	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.18
CY2011Q1	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.08
CY2011Q4	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.18
CY2012Q1	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.14
CY2012Q3	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.32
CY2012Q4	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.19
CY2012Q2	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.16
CY2010	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.11
CY2011	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.58
CY2012	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.80
CY2011Q4	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.18
CY2011Q1	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.08
CY2011Q3	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.18
CY2011Q2	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.14
CY2012Q4	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.18
CY2012Q1	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.13
CY2012Q3	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.31
CY2012Q2	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.15
CY2010	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	-13981000	USD
CY2012	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	4242000	USD
CY2011	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	2547000	USD
CY2011Q2	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	415000	USD
CY2011Q1	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	343000	USD
CY2011Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	924000	USD
CY2011Q4	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	865000	USD
CY2012Q4	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	1574000	USD
CY2012Q1	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	336000	USD
CY2012Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	847000	USD
CY2012Q2	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	1485000	USD
CY2011	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0.07
CY2010	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	-0.38
CY2012	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0.09
CY2011Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0.03
CY2011Q1	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0.01
CY2011Q2	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0.01
CY2011Q4	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0.02
CY2012Q4	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0.03
CY2012Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0.01
CY2012Q1	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0
CY2012Q2	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0.03
CY2011	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0.06
CY2012	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0.09
CY2010	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	-0.38
CY2011Q4	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0.02
CY2011Q2	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0.02
CY2011Q1	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0.00
CY2012Q2	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0.04
CY2012Q1	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0.01
CY2011Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0.03
CY2012Q4	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0.03
CY2012Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0.02
CY2012	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	29373000	USD
CY2011	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	15397000	USD
CY2010	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	3969000	USD
CY2012	us-gaap	Income Tax Expense Benefit Continuing Operations IncomeTaxExpenseBenefitContinuingOperations	29373000	USD
CY2010	us-gaap	Income Tax Expense Benefit Continuing Operations IncomeTaxExpenseBenefitContinuingOperations	3969000	USD
CY2011	us-gaap	Income Tax Expense Benefit Continuing Operations IncomeTaxExpenseBenefitContinuingOperations	15397000	USD
CY2012	us-gaap	Income Tax Expense Benefit Continuing Operations Adjustment Of Deferred Tax Asset Liability IncomeTaxExpenseBenefitContinuingOperationsAdjustmentOfDeferredTaxAssetLiability	246000	USD
CY2010	us-gaap	Income Tax Expense Benefit Continuing Operations Adjustment Of Deferred Tax Asset Liability IncomeTaxExpenseBenefitContinuingOperationsAdjustmentOfDeferredTaxAssetLiability	215000	USD
CY2011	us-gaap	Income Tax Expense Benefit Continuing Operations Adjustment Of Deferred Tax Asset Liability IncomeTaxExpenseBenefitContinuingOperationsAdjustmentOfDeferredTaxAssetLiability	454000	USD
CY2010	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	215000	USD
CY2012	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	246000	USD
CY2011	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	454000	USD
CY2012	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	14000	USD
CY2010	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	-181000	USD
CY2011	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	-222000	USD
CY2010	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	2740000	USD
CY2012	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	23727000	USD
CY2011	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	13002000	USD
CY2010	us-gaap	Income Tax Reconciliation Nondeductible Expense Other IncomeTaxReconciliationNondeductibleExpenseOther	545000	USD
CY2011	us-gaap	Income Tax Reconciliation Nondeductible Expense Other IncomeTaxReconciliationNondeductibleExpenseOther	1020000	USD
CY2012	us-gaap	Income Tax Reconciliation Nondeductible Expense Other IncomeTaxReconciliationNondeductibleExpenseOther	1681000	USD
CY2010	us-gaap	Income Tax Reconciliation Other Reconciling Items IncomeTaxReconciliationOtherReconcilingItems	308000	USD
CY2011	us-gaap	Income Tax Reconciliation Other Reconciling Items IncomeTaxReconciliationOtherReconcilingItems	338000	USD
CY2012	us-gaap	Income Tax Reconciliation Other Reconciling Items IncomeTaxReconciliationOtherReconcilingItems	758000	USD
CY2012	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	2671000	USD
CY2011	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	1341000	USD
CY2010	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	358000	USD
CY2011	us-gaap	Income Tax Reconciliation Tax Contingencies IncomeTaxReconciliationTaxContingencies	-91000	USD
CY2012	us-gaap	Income Tax Reconciliation Tax Contingencies IncomeTaxReconciliationTaxContingencies	276000	USD
CY2010	us-gaap	Income Tax Reconciliation Tax Contingencies IncomeTaxReconciliationTaxContingencies	-16000	USD
CY2010	us-gaap	Income Tax Reconciliation Tax Exempt Income IncomeTaxReconciliationTaxExemptIncome	0	USD
CY2012	us-gaap	Income Tax Reconciliation Tax Exempt Income IncomeTaxReconciliationTaxExemptIncome	0	USD
CY2011	us-gaap	Income Tax Reconciliation Tax Exempt Income IncomeTaxReconciliationTaxExemptIncome	445000	USD
CY2010	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	-2578000	USD
CY2012	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	33915000	USD
CY2011	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-1812000	USD
CY2012	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	1987000	USD
CY2010	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	1032000	USD
CY2010	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	10532000	USD
CY2011	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	25079000	USD
CY2012	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	18604000	USD
CY2010	us-gaap	Increase Decrease In Accrued Salaries IncreaseDecreaseInAccruedSalaries	3880000	USD
CY2012	us-gaap	Increase Decrease In Accrued Salaries IncreaseDecreaseInAccruedSalaries	-28053000	USD
CY2011	us-gaap	Increase Decrease In Accrued Salaries IncreaseDecreaseInAccruedSalaries	6400000	USD
CY2012	us-gaap	Increase Decrease In Income Taxes Receivable IncreaseDecreaseInIncomeTaxesReceivable	-4047000	USD
CY2011	us-gaap	Increase Decrease In Income Taxes Receivable IncreaseDecreaseInIncomeTaxesReceivable	1292000	USD
CY2010	us-gaap	Increase Decrease In Income Taxes Receivable IncreaseDecreaseInIncomeTaxesReceivable	-4223000	USD
CY2011	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	-2574000	USD
CY2010	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	-1483000	USD
CY2012	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	-2831000	USD
CY2010	us-gaap	Increase Decrease In Prepaid Expense IncreaseDecreaseInPrepaidExpense	501000	USD
CY2012	us-gaap	Increase Decrease In Prepaid Expense IncreaseDecreaseInPrepaidExpense	1881000	USD
CY2011	us-gaap	Increase Decrease In Prepaid Expense IncreaseDecreaseInPrepaidExpense	1633000	USD
CY2012	us-gaap	Increase Decrease In Workers Compensation Liabilities IncreaseDecreaseInWorkersCompensationLiabilities	-2049000	USD
CY2011	us-gaap	Increase Decrease In Workers Compensation Liabilities IncreaseDecreaseInWorkersCompensationLiabilities	-1467000	USD
CY2010	us-gaap	Increase Decrease In Workers Compensation Liabilities IncreaseDecreaseInWorkersCompensationLiabilities	-3948000	USD
CY2010	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	621000	shares
CY2011	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	882000	shares
CY2012	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	1087000	shares
CY2012Q4	us-gaap	Indefinite Lived Trademarks IndefiniteLivedTrademarks	171852000	USD
CY2011Q4	us-gaap	Indefinite Lived Trademarks IndefiniteLivedTrademarks	25048000	USD
CY2011Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	30206000	USD
CY2012Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	263840000	USD
CY2011Q4	us-gaap	Intangible Assets Net Including Goodwill IntangibleAssetsNetIncludingGoodwill	259440000	USD
CY2012Q4	us-gaap	Intangible Assets Net Including Goodwill IntangibleAssetsNetIncludingGoodwill	762196000	USD
CY2011	us-gaap	Interest Expense InterestExpense	2936000	USD
CY2012	us-gaap	Interest Expense InterestExpense	17168000	USD
CY2010	us-gaap	Interest Expense InterestExpense	8168000	USD
CY2010	us-gaap	Interest Paid Net InterestPaidNet	5478000	USD
CY2011	us-gaap	Interest Paid Net InterestPaidNet	2659000	USD
CY2012	us-gaap	Interest Paid Net InterestPaidNet	14722000	USD
CY2012Q4	us-gaap	Interest Rate Cash Flow Hedge Gain Loss To Be Reclassified During Next12 Months Net InterestRateCashFlowHedgeGainLossToBeReclassifiedDuringNext12MonthsNet	-400000	USD
CY2012	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	13700000	USD
CY2010	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	8000000	USD
CY2011	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	8200000	USD
CY2012Q4	us-gaap	Letters Of Credit Outstanding Amount LettersOfCreditOutstandingAmount	2800000	USD
CY2011Q4	us-gaap	Letters Of Credit Outstanding Amount LettersOfCreditOutstandingAmount	2400000	USD
CY2012Q4	us-gaap	Liabilities Liabilities	565298000	USD
CY2011Q4	us-gaap	Liabilities Liabilities	163922000	USD
CY2011Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	410665000	USD
CY2012Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	1098021000	USD
CY2012Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal After Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive	334088000	USD
CY2012Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Next Twelve Months LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths	10000000	USD
CY2012Q4	us-gaap	Liability For Uncertain Tax Positions Noncurrent LiabilityForUncertainTaxPositionsNoncurrent	400000	USD
CY2012Q4	us-gaap	Long Term Debt LongTermDebt	426588000	USD
CY2011Q4	us-gaap	Liabilities Current LiabilitiesCurrent	56409000	USD
CY2012Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive	52500000	USD
CY2012Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Four LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour	10000000	USD
CY2012Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Three LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree	10000000	USD
CY2012Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Two LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo	10000000	USD
CY2012Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	416588000	USD
CY2011Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	81750000	USD
CY2012	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	331878000	USD
CY2011	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	17509000	USD
CY2010	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-16614000	USD
CY2012	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-362966000	USD
CY2011	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-41120000	USD
CY2010	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-16581000	USD
CY2010	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	26861000	USD
CY2011	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	23419000	USD
CY2012	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	40697000	USD
CY2012	us-gaap	Net Income Loss NetIncomeLoss	42653000	USD
CY2011	us-gaap	Net Income Loss NetIncomeLoss	24297000	USD
CY2010	us-gaap	Net Income Loss NetIncomeLoss	-9897000	USD
CY2011Q2	us-gaap	Net Income Loss NetIncomeLoss	5865000	USD
CY2011Q3	us-gaap	Net Income Loss NetIncomeLoss	7767000	USD
CY2011Q4	us-gaap	Net Income Loss NetIncomeLoss	7501000	USD
CY2011Q1	us-gaap	Net Income Loss NetIncomeLoss	3164000	USD
CY2012Q3	us-gaap	Net Income Loss NetIncomeLoss	17433000	USD
CY2012Q4	us-gaap	Net Income Loss NetIncomeLoss	11322000	USD
CY2012Q2	us-gaap	Net Income Loss NetIncomeLoss	8515000	USD
CY2012Q1	us-gaap	Net Income Loss NetIncomeLoss	5383000	USD
CY2012Q4	us-gaap	Noncurrent Assets NoncurrentAssets	42068000	USD
CY2011Q4	us-gaap	Noncurrent Assets NoncurrentAssets	20111000	USD
CY2010Q4	us-gaap	Noncurrent Assets NoncurrentAssets	20580000	USD
CY2012Q4	us-gaap	Notional Amount Of Interest Rate Cash Flow Hedge Derivatives NotionalAmountOfInterestRateCashFlowHedgeDerivatives	25000000	USD
CY2012Q3	us-gaap	Notional Amount Of Interest Rate Cash Flow Hedge Derivatives NotionalAmountOfInterestRateCashFlowHedgeDerivatives	223100000	USD
CY2012	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	5	segment
CY2012	us-gaap	Operating Income Loss OperatingIncomeLoss	84952000	USD
CY2010	us-gaap	Operating Income Loss OperatingIncomeLoss	16221000	USD
CY2011	us-gaap	Operating Income Loss OperatingIncomeLoss	40083000	USD
CY2012Q4	us-gaap	Operating Leases Future Minimum Payments Due OperatingLeasesFutureMinimumPaymentsDue	50610000	USD
CY2012Q4	us-gaap	Operating Leases Future Minimum Payments Due Current OperatingLeasesFutureMinimumPaymentsDueCurrent	13545000	USD
CY2012Q4	us-gaap	Operating Leases Future Minimum Payments Due In Five Years OperatingLeasesFutureMinimumPaymentsDueInFiveYears	3588000	USD
CY2012Q4	us-gaap	Operating Leases Future Minimum Payments Due In Four Years OperatingLeasesFutureMinimumPaymentsDueInFourYears	6386000	USD
CY2012Q4	us-gaap	Operating Leases Future Minimum Payments Due In Three Years OperatingLeasesFutureMinimumPaymentsDueInThreeYears	9210000	USD
CY2012Q4	us-gaap	Operating Leases Future Minimum Payments Due In Two Years OperatingLeasesFutureMinimumPaymentsDueInTwoYears	11117000	USD
CY2012Q4	us-gaap	Operating Leases Future Minimum Payments Due Thereafter OperatingLeasesFutureMinimumPaymentsDueThereafter	6764000	USD
CY2011Q4	us-gaap	Operating Loss Carryforwards Valuation Allowance OperatingLossCarryforwardsValuationAllowance	700000	USD
CY2012Q4	us-gaap	Operating Loss Carryforwards Valuation Allowance OperatingLossCarryforwardsValuationAllowance	900000	USD
CY2012Q4	us-gaap	Other Assets Current OtherAssetsCurrent	4289000	USD
CY2011Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	2054000	USD
CY2012Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	15206000	USD
CY2012Q4	us-gaap	Other Commitment OtherCommitment	4602000	USD
CY2012Q4	us-gaap	Other Commitment Due After Fifth Year OtherCommitmentDueAfterFifthYear	0	USD
CY2012Q4	us-gaap	Other Commitment Due In Fifth Year OtherCommitmentDueInFifthYear	175000	USD
CY2012Q4	us-gaap	Other Commitment Due In Fourth Year OtherCommitmentDueInFourthYear	694000	USD
CY2011Q4	us-gaap	Other Assets Current OtherAssetsCurrent	3534000	USD
CY2012Q4	us-gaap	Other Commitment Due In Third Year OtherCommitmentDueInThirdYear	1168000	USD
CY2012	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent	854000	USD
CY2011	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent	-1662000	USD
CY2010	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent	-1122000	USD
CY2010	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-1122000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	854000	USD
CY2011	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-1662000	USD
CY2011	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	-380000	USD
CY2010	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	0	USD
CY2012	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	-21000	USD
CY2010	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax	0	USD
CY2012	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax	21000	USD
CY2011	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax	227000	USD
CY2012Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	15065000	USD
CY2011Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	6564000	USD
CY2011Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	4539000	USD
CY2012Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	5960000	USD
CY2011Q4	us-gaap	Other Long Term Debt Current OtherLongTermDebtCurrent	5000000	USD
CY2012Q4	us-gaap	Other Long Term Debt Current OtherLongTermDebtCurrent	10000000	USD
CY2011	us-gaap	Other Noncash Income OtherNoncashIncome	1765000	USD
CY2010	us-gaap	Other Noncash Income OtherNoncashIncome	-1993000	USD
CY2012	us-gaap	Other Noncash Income OtherNoncashIncome	362000	USD
CY2011	us-gaap	Other Payments To Acquire Businesses OtherPaymentsToAcquireBusinesses	1731000	USD
CY2010	us-gaap	Other Payments To Acquire Businesses OtherPaymentsToAcquireBusinesses	52000	USD
CY2012	us-gaap	Other Payments To Acquire Businesses OtherPaymentsToAcquireBusinesses	1198000	USD
CY2010	us-gaap	Payments For Other Taxes PaymentsForOtherTaxes	1955000	USD
CY2012	us-gaap	Payments For Other Taxes PaymentsForOtherTaxes	2627000	USD
CY2011	us-gaap	Payments For Other Taxes PaymentsForOtherTaxes	2214000	USD
CY2012	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	869000	USD
CY2010	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-179000	USD
CY2011	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-109000	USD
CY2011	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	2230000	USD
CY2010	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	2000000	USD
CY2012	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	0	USD
CY2010	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	1938000	USD
CY2011	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	87000	USD
CY2012	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	17113000	USD
CY2011	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	32818000	USD
CY2010	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	10458000	USD
CY2012	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	347743000	USD
CY2010	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	6302000	USD
CY2011	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	8411000	USD
CY2012	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	14354000	USD
CY2012Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2011Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2012Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	1000000	shares
CY2011Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	1000000	shares
CY2012Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2011Q4	asgn	Deferred Tax Assets Operating Loss Carryforwards Noncurrent DeferredTaxAssetsOperatingLossCarryforwardsNoncurrent	1054000	USD
CY2012Q4	asgn	Deferred Tax Assets Operating Loss Carryforwards Noncurrent DeferredTaxAssetsOperatingLossCarryforwardsNoncurrent	1191000	USD
CY2011Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2011Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2012Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2012Q4	us-gaap	Preferred Stock Value PreferredStockValue	0	USD
CY2011Q4	us-gaap	Preferred Stock Value PreferredStockValue	0	USD
CY2010	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	644000	USD
CY2012Q4	us-gaap	Prepaid Expense Current PrepaidExpenseCurrent	8839000	USD
CY2011Q4	us-gaap	Prepaid Expense Current PrepaidExpenseCurrent	6645000	USD
CY2012	us-gaap	Pro Forma Weighted Average Shares Outstanding Diluted ProFormaWeightedAverageSharesOutstandingDiluted	53190000	shares
CY2011	us-gaap	Pro Forma Weighted Average Shares Outstanding Diluted ProFormaWeightedAverageSharesOutstandingDiluted	52062000	shares
CY2013Q1	us-gaap	Proceeds From Divestiture Of Businesses ProceedsFromDivestitureOfBusinesses	31000000	USD
CY2012	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	513000000	USD
CY2010	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	68000000	USD
CY2011	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	40500000	USD
CY2012	us-gaap	Proceeds From Issuance Or Sale Of Equity ProceedsFromIssuanceOrSaleOfEquity	8384000	USD
CY2010	us-gaap	Proceeds From Issuance Or Sale Of Equity ProceedsFromIssuanceOrSaleOfEquity	333000	USD
CY2011	us-gaap	Proceeds From Issuance Or Sale Of Equity ProceedsFromIssuanceOrSaleOfEquity	2701000	USD
CY2012	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-43000	USD
CY2011	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-43000	USD
CY2010	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-44000	USD
CY2012	us-gaap	Proceeds From Sale Of Insurance Investments ProceedsFromSaleOfInsuranceInvestments	1500000	USD
CY2012Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	62034000	USD
CY2011Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	47880000	USD
CY2012Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	26862000	USD
CY2011Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	18057000	USD
CY2012	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	-166000	USD
CY2011	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	1127000	USD
CY2011	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	20500000	USD
CY2012	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	173163000	USD
CY2010	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	79163000	USD
CY2012Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	61687000	USD
CY2011Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	19034000	USD
CY2012	us-gaap	Sales Revenue Services Net SalesRevenueServicesNet	1177515000	USD
CY2011	us-gaap	Sales Revenue Services Net SalesRevenueServicesNet	547639000	USD
CY2010	us-gaap	Sales Revenue Services Net SalesRevenueServicesNet	401320000	USD
CY2011Q2	us-gaap	Sales Revenue Services Net SalesRevenueServicesNet	132862000	USD
CY2011Q3	us-gaap	Sales Revenue Services Net SalesRevenueServicesNet	147014000	USD
CY2011Q4	us-gaap	Sales Revenue Services Net SalesRevenueServicesNet	148029000	USD
CY2011Q1	us-gaap	Sales Revenue Services Net SalesRevenueServicesNet	119734000	USD
CY2012Q1	us-gaap	Sales Revenue Services Net SalesRevenueServicesNet	156760000	USD
CY2012Q3	us-gaap	Sales Revenue Services Net SalesRevenueServicesNet	374511000	USD
CY2012Q2	us-gaap	Sales Revenue Services Net SalesRevenueServicesNet	265863000	USD
CY2012Q4	us-gaap	Sales Revenue Services Net SalesRevenueServicesNet	380381000	USD
CY2012Q4	us-gaap	Self Insurance Reserve SelfInsuranceReserve	10300000	USD
CY2011Q4	us-gaap	Self Insurance Reserve SelfInsuranceReserve	10400000	USD
CY2010	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	120995000	USD
CY2011	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	145399000	USD
CY2012	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	265568000	USD
CY2012Q4	us-gaap	Secured Debt SecuredDebt	426588000	USD
CY2011Q4	us-gaap	Secured Debt SecuredDebt	86750000	USD
CY2012	us-gaap	Share Based Compensation ShareBasedCompensation	9706000	USD
CY2011	us-gaap	Share Based Compensation ShareBasedCompensation	6927000	USD
CY2010	us-gaap	Share Based Compensation ShareBasedCompensation	7749000	USD
CY2012Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	926503.000	shares
CY2012Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	9.48
CY2011Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	6928000	USD
CY2012Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	13442000	USD
CY2012Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	1286360.00	shares
CY2012Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	9.83
CY2011Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	8.62
CY2012Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageExercisePrice	9.70
CY2012Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Aggregate Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue	12910000	USD
CY2012	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	7.27
CY2012	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	12.78
CY2012	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	16.43
CY2012	us-gaap	Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Lower Range Limit ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit	2.82
CY2012	us-gaap	Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Upper Range Limit ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit	16.51
CY2012Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	10007000	USD
CY2012	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1	P4Y6M
CY2012	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P5Y7M6D
CY2011	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P5Y3M18D
CY2012	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested And Expected To Vest Outstanding Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm1	P5Y4M24D
CY2010	us-gaap	Stock Issued1 StockIssued1	0	USD
CY2011	us-gaap	Stock Issued1 StockIssued1	0	USD
CY2012	us-gaap	Stock Issued1 StockIssued1	225558000	USD
CY2012	us-gaap	Stock Issued During Period Value Acquisitions StockIssuedDuringPeriodValueAcquisitions	225558000	USD
CY2011	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	977000	USD
CY2012	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	1344000	USD
CY2011	us-gaap	Stock Issued During Period Value Restricted Stock Award Net Of Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures	-2219000	USD
CY2012	us-gaap	Stock Issued During Period Value Restricted Stock Award Net Of Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures	-5535000	USD
CY2010	us-gaap	Stock Issued During Period Value Restricted Stock Award Net Of Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures	-1305000	USD
CY2012	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	7041000	USD
CY2011	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	1724000	USD
CY2010	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	333000	USD
CY2011	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	2230000	USD
CY2010	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	2000000	USD
CY2012Q4	us-gaap	Stockholders Equity StockholdersEquity	532723000	USD
CY2011Q4	us-gaap	Stockholders Equity StockholdersEquity	246743000	USD
CY2012Q4	asgn	Deferred Tax Assets Other Current DeferredTaxAssetsOtherCurrent	462000	USD
CY2011Q4	asgn	Deferred Tax Assets Other Noncurrent DeferredTaxAssetsOtherNoncurrent	758000	USD
CY2012Q4	asgn	Deferred Tax Assets Other Noncurrent DeferredTaxAssetsOtherNoncurrent	1975000	USD
CY2011Q4	asgn	Deferred Tax Assets Other Current DeferredTaxAssetsOtherCurrent	849000	USD
CY2009Q4	us-gaap	Stockholders Equity StockholdersEquity	226661000	USD
CY2010Q4	us-gaap	Stockholders Equity StockholdersEquity	219487000	USD
CY2012Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	376000	USD
CY2011Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	251000	USD
CY2010Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	358000	USD
CY2009Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	397000	USD
CY2010	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	39000	USD
CY2011	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	0	USD
CY2012	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	34000	USD
CY2011	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	0	USD
CY2010	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	0	USD
CY2012	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	159000	USD
CY2012	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	0	USD
CY2010	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	0	USD
CY2011	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	107000	USD
CY2012	us-gaap	Use Of Estimates UseOfEstimates	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;text-align:left;text-indent:36px;font-size:9pt;"><font style="font-family:inherit;font-size:9pt;font-style:italic;">Use of Estimates.</font><font style="font-family:inherit;font-size:9pt;"> The preparation of financial statements in conformity with generally accepted accounting principles requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates.</font></div></div>
CY2012	us-gaap	Weighted Average Basic Shares Outstanding Pro Forma WeightedAverageBasicSharesOutstandingProForma	52103000	shares
CY2011	us-gaap	Weighted Average Basic Shares Outstanding Pro Forma WeightedAverageBasicSharesOutstandingProForma	51180000	shares
CY2012	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	47826000	shares
CY2011	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	37758000	shares
CY2010	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	37050000	shares
CY2011	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	36876000	shares
CY2012	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	46739000	shares
CY2010	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	36429000	shares
CY2012Q4	us-gaap	Workers Compensation Liability Current WorkersCompensationLiabilityCurrent	10327000	USD
CY2011Q4	us-gaap	Workers Compensation Liability Current WorkersCompensationLiabilityCurrent	10401000	USD
CY2010	asgn	Business Acquisition Contingent Consideration At Fair Value Accrued Earn Out BusinessAcquisitionContingentConsiderationAtFairValueAccruedEarnOut	3700000	USD
CY2011	asgn	Business Acquisition Contingent Consideration At Fair Value Accrued Earn Out BusinessAcquisitionContingentConsiderationAtFairValueAccruedEarnOut	10346000	USD
CY2012	asgn	Business Acquisition Contingent Consideration At Fair Value Accrued Earn Out BusinessAcquisitionContingentConsiderationAtFairValueAccruedEarnOut	0	USD
CY2011	asgn	Business Acquisitions Pro Forma Operating Income BusinessAcquisitionsProFormaOperatingIncome	64292000	USD
CY2012	asgn	Defined Contribution Plan Employee Eligibility Minimum Service Period DefinedContributionPlanEmployeeEligibilityMinimumServicePeriod	P3M
CY2012Q4	asgn	Intangible Assets Gross Including Goodwill IntangibleAssetsGrossIncludingGoodwill	814350000	USD
CY2011Q4	asgn	Intangible Assets Gross Including Goodwill IntangibleAssetsGrossIncludingGoodwill	293534000	USD
CY2012Q4	asgn	Leverage Ratio LeverageRatio	2.73
CY2013Q1	asgn	Net Working Capital NetWorkingCapital	5700000	USD
CY2012	asgn	Noncash Or Part Noncash Acquisition Goodwill NoncashOrPartNoncashAcquisitionGoodwill	266788000	USD
CY2011	asgn	Noncash Or Part Noncash Acquisition Goodwill NoncashOrPartNoncashAcquisitionGoodwill	30504000	USD
CY2010	asgn	Noncash Or Part Noncash Acquisition Goodwill NoncashOrPartNoncashAcquisitionGoodwill	10458000	USD
CY2011	asgn	Noncash Or Part Noncash Acquisition Intangible Assets NoncashOrPartNoncashAcquisitionIntangibleAssets	7726000	USD
CY2010	asgn	Noncash Or Part Noncash Acquisition Intangible Assets NoncashOrPartNoncashAcquisitionIntangibleAssets	1761000	USD
CY2012	asgn	Noncash Or Part Noncash Acquisition Intangible Assets NoncashOrPartNoncashAcquisitionIntangibleAssets	251555000	USD
CY2011	asgn	Noncash Or Part Noncash Acquisition Net Assets Acquired NoncashOrPartNoncashAcquisitionNetAssetsAcquired	4934000	USD
CY2012	asgn	Noncash Or Part Noncash Acquisition Net Assets Acquired NoncashOrPartNoncashAcquisitionNetAssetsAcquired	54958000	USD
CY2010	asgn	Noncash Or Part Noncash Acquisition Net Assets Acquired NoncashOrPartNoncashAcquisitionNetAssetsAcquired	0	USD
CY2011	asgn	Noncash Or Part Noncash Acquisition Value Of Assets NoncashOrPartNoncashAcquisitionValueOfAssets	43164000	USD
CY2010	asgn	Noncash Or Part Noncash Acquisition Value Of Assets NoncashOrPartNoncashAcquisitionValueOfAssets	12219000	USD
CY2012	asgn	Noncash Or Part Noncash Acquisition Value Of Assets NoncashOrPartNoncashAcquisitionValueOfAssets	573301000	USD
CY2011	asgn	Payable For Employment Taxes Related To Restricted Stock Awards PayableForEmploymentTaxesRelatedToRestrictedStockAwards	0	USD
CY2010	asgn	Payable For Employment Taxes Related To Restricted Stock Awards PayableForEmploymentTaxesRelatedToRestrictedStockAwards	96000	USD
CY2012	asgn	Payable For Employment Taxes Related To Restricted Stock Awards PayableForEmploymentTaxesRelatedToRestrictedStockAwards	2907000	USD
CY2011	asgn	Workers Compensation And Medical Malpractice Provision WorkersCompensationAndMedicalMalpracticeProvision	-3196000	USD
CY2012	asgn	Workers Compensation And Medical Malpractice Provision WorkersCompensationAndMedicalMalpracticeProvision	-3594000	USD
CY2010	asgn	Workers Compensation And Medical Malpractice Provision WorkersCompensationAndMedicalMalpracticeProvision	-4310000	USD
CY2012	dei	Amendment Flag AmendmentFlag	false
CY2012	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2012	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2012	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2012
CY2012	dei	Document Period End Date DocumentPeriodEndDate	2012-12-31
CY2012	dei	Document Type DocumentType	8-K
CY2012	dei	Entity Central Index Key EntityCentralIndexKey	0000890564
CY2013Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	53084637	shares
CY2012	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2012	dei	Entity Filer Category EntityFilerCategory	Accelerated Filer
CY2012Q2	dei	Entity Public Float EntityPublicFloat	616647781	USD
CY2012	dei	Entity Registrant Name EntityRegistrantName	ON ASSIGNMENT INC
CY2012	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2012	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	No

Files In Submission

Name	View Source	Status
0000890564-13-000032-index-headers.html	Edgar Link	pending
0000890564-13-000032-index.html	Edgar Link	pending
0000890564-13-000032.txt	Edgar Link	pending
0000890564-13-000032-xbrl.zip	Edgar Link	pending
asgn-20130613.xml	Edgar Link	completed
asgn-20130613.xsd	Edgar Link	pending
asgn-20130613_cal.xml	Edgar Link	unprocessable
asgn-20130613_def.xml	Edgar Link	unprocessable
asgn-20130613_lab.xml	Edgar Link	unprocessable
asgn-20130613_pre.xml	Edgar Link	unprocessable
ex231consent8-k.htm	Edgar Link	pending
ex991201210-krecastdiscops.htm	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xls	Edgar Link	pending
form8-k061313.htm	Edgar Link	pending
R1.htm	Edgar Link	pending
R10.htm	Edgar Link	pending
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report.css	Edgar Link	pending
Show.js	Edgar Link	pending

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$ASGN
ASGN Inc Stock $asgn

2011 Q4 Form 8-K Financial Statement

#000089056413000032 Filed on June 13, 2013

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$ASGN ASGN Inc Stock $asgn

2011 Q4 Form 8-K Financial Statement

#000089056413000032 Filed on June 13, 2013

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$ASGN
ASGN Inc Stock $asgn