$ASGN
ASGN Inc Stock $asgn

$asgn Overview Financials Valuation SEC Filings Company Website

2015 Q4 Form 10-K Financial Statement

#000089056416000069 Filed on February 29, 2016

Income Statement

Concept	2015 Q4	2014 Q4	2014 Q3
Revenue	$577.5M	$441.0M	$442.4M
YoY Change	30.95%	11.35%	12.18%
Cost Of Revenue	$384.6M	$298.5M	$297.6M
YoY Change	28.84%	1.63%	1.13%
Gross Profit	$192.9M	$142.5M	$144.8M
YoY Change	35.36%	17.81%	21.7%
Gross Profit Margin	33.41%	32.32%	32.74%
Selling, General & Admin	$138.8M	$101.2M	$100.6M
YoY Change	37.15%	16.46%	16.54%
% of Gross Profit	71.94%	71.0%	69.46%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$16.10M	$10.20M	$9.600M
YoY Change	57.84%	24.39%	31.51%
% of Gross Profit	8.34%	7.16%	6.63%
Operating Expenses	$150.1M	$106.7M	$100.6M
YoY Change	40.67%	14.98%	16.54%
Operating Profit	$42.83M	$35.84M	$38.70M
YoY Change	19.52%	27.15%	8.45%
Interest Expense	-$9.100M	-$3.200M	$3.101M
YoY Change	184.38%	-5.88%	-4.79%
% of Operating Profit	-21.25%	-8.93%	8.01%
Other Income/Expense, Net	$0.00	$0.00	$0.00
YoY Change
Pretax Income	$33.80M	$32.60M	$35.60M
YoY Change	3.68%	6.54%	9.78%
Income Tax	$14.60M	$13.10M	$14.87M
% Of Pretax Income	43.2%	40.18%	41.78%
Net Earnings	$19.34M	$20.47M	$22.01M
YoY Change	-5.54%	-36.83%	9.21%
Net Earnings / Revenue	3.35%	4.64%	4.97%
Basic Earnings Per Share	$0.37	$0.39	$0.41
Diluted Earnings Per Share	$0.36	$0.39	$0.41
COMMON SHARES
Basic Shares Outstanding	52.80M shares	52.35M shares	53.37M shares
Diluted Shares Outstanding			54.13M shares

Balance Sheet

Concept	2015 Q4	2014 Q4	2014 Q3
SHORT-TERM ASSETS
Cash & Short-Term Investments	$23.90M	$28.90M	$29.90M
YoY Change	-17.3%	-22.73%	-33.7%
Cash & Equivalents	$23.87M	$31.71M	$29.88M
Short-Term Investments
Other Short-Term Assets	$9.607M	$2.310M	$3.210M
YoY Change	315.89%	-24.78%	29.64%
Inventory
Prepaid Expenses	$12.69M	$13.31M	$5.664M
Receivables	$354.8M	$277.1M	$296.5M
Other Receivables	$13.20M	$13.40M	$19.20M
Total Short-Term Assets	$414.2M	$366.0M	$371.6M
YoY Change	13.16%	4.45%	11.82%
LONG-TERM ASSETS
Property, Plant & Equipment	$53.20M	$44.31M	$43.50M
YoY Change	20.05%	22.92%	29.91%
Goodwill	$874.9M	$512.1M	$574.0M
YoY Change	70.86%	-0.46%	15.6%
Intangibles	$663.6M	$428.9M	$455.7M
YoY Change	54.7%	-5.19%	8.5%
Long-Term Investments
YoY Change
Other Assets	$7.072M	$5.160M	$8.108M
YoY Change	37.05%	-40.6%	0.62%
Total Long-Term Assets	$1.353B	$885.8M	$895.4M
YoY Change	52.75%	-2.48%	13.9%
TOTAL ASSETS
Total Short-Term Assets	$414.2M	$366.0M	$371.6M
Total Long-Term Assets	$1.353B	$885.8M	$895.4M
Total Assets	$1.767B	$1.252B	$1.267B
YoY Change	41.18%	-0.55%	13.28%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$9.132M	$7.925M	$7.166M
YoY Change	15.23%	7.68%	12.18%
Accrued Expenses	$103.1M	$98.10M	$121.9M
YoY Change	5.1%	-10.25%	36.81%
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due	$0.00	$17.44M	$18.30M
YoY Change	-100.0%	74.39%	83.0%
Total Short-Term Liabilities	$160.4M	$164.8M	$172.2M
YoY Change	-2.67%	-2.1%	23.82%
LONG-TERM LIABILITIES
Long-Term Debt	$755.5M	$394.4M	$385.4M
YoY Change	91.55%	1.18%	10.82%
Other Long-Term Liabilities	$5.116M	$7.937M	$11.62M
YoY Change	-35.54%	-7.68%	106.12%
Total Long-Term Liabilities	$760.6M	$402.4M	$397.1M
YoY Change	89.04%	0.99%	12.34%
TOTAL LIABILITIES
Total Short-Term Liabilities	$160.4M	$164.8M	$172.2M
Total Long-Term Liabilities	$760.6M	$402.4M	$397.1M
Total Liabilities	$982.5M	$617.4M	$624.0M
YoY Change	59.13%	-0.2%	21.06%
SHAREHOLDERS EQUITY
Retained Earnings	$249.6M	$154.6M	$156.1M
YoY Change	61.47%	5.72%	37.22%
Common Stock	$543.4M	$484.4M	$489.8M
YoY Change	12.17%	-1.9%	0.04%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$784.8M	$634.4M	$643.0M
YoY Change
Total Liabilities & Shareholders Equity	$1.767B	$1.252B	$1.267B
YoY Change	41.18%	-0.55%	13.28%

Cashflow Statement

Concept	2015 Q4	2014 Q4	2014 Q3
OPERATING ACTIVITIES
Net Income	$19.34M	$20.47M	$22.01M
YoY Change	-5.54%	-36.83%	9.21%
Depreciation, Depletion And Amortization	$16.10M	$10.20M	$9.600M
YoY Change	57.84%	24.39%	31.51%
Cash From Operating Activities	$30.20M	$28.00M	$43.00M
YoY Change	7.86%	-23.5%	-1.38%
INVESTING ACTIVITIES
Capital Expenditures	-$6.500M	-$5.400M	-$4.700M
YoY Change	20.37%	28.57%	-6.0%
Acquisitions
YoY Change
Other Investing Activities	$500.0K	-$300.0K	$100.0K
YoY Change	-266.67%	-99.63%	-50.0%
Cash From Investing Activities	-$6.000M	-$5.900M	-$4.500M
YoY Change	1.69%	-93.17%	-4.26%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-28.80M	-20.10M	-38.70M
YoY Change	43.28%	-147.74%	371.95%
NET CHANGE
Cash From Operating Activities	30.20M	28.00M	43.00M
Cash From Investing Activities	-6.000M	-5.900M	-4.500M
Cash From Financing Activities	-28.80M	-20.10M	-38.70M
Net Change In Cash	-4.600M	2.000M	-200.0K
YoY Change	-330.0%	-125.97%	-100.65%
FREE CASH FLOW
Cash From Operating Activities	$30.20M	$28.00M	$43.00M
Capital Expenditures	-$6.500M	-$5.400M	-$4.700M
Free Cash Flow	$36.70M	$33.40M	$47.70M
YoY Change	9.88%	-18.14%	-1.85%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2015	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	34000	USD
CY2013	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	1240000	USD
CY2014Q4	asgn	Accumulated Other Comprehensive Income Loss Foreign Currency Translation Adjustment AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustment	-4448000	USD
CY2013Q4	asgn	Accumulated Other Comprehensive Income Loss Derivatives Netof Tax AccumulatedOtherComprehensiveIncomeLossDerivativesNetofTax	-208000	USD
CY2014Q4	asgn	Accumulated Other Comprehensive Income Loss Derivatives Netof Tax AccumulatedOtherComprehensiveIncomeLossDerivativesNetofTax	-122000	USD
CY2015Q4	asgn	Accumulated Other Comprehensive Income Loss Derivatives Netof Tax AccumulatedOtherComprehensiveIncomeLossDerivativesNetofTax	0	USD
CY2012Q4	asgn	Accumulated Other Comprehensive Income Loss Derivatives Netof Tax AccumulatedOtherComprehensiveIncomeLossDerivativesNetofTax	-401000	USD
CY2013Q4	asgn	Accumulated Other Comprehensive Income Loss Foreign Currency Translation Adjustment AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustment	324000	USD
CY2015Q4	asgn	Accumulated Other Comprehensive Income Loss Foreign Currency Translation Adjustment AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustment	-8162000	USD
CY2012Q4	asgn	Accumulated Other Comprehensive Income Loss Foreign Currency Translation Adjustment AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustment	-804000	USD
CY2015Q4	asgn	Contractual Quarterly Payments ContractualQuarterlyPayments	2100000	USD
CY2014Q4	asgn	Deferred Tax Assets Operating Loss Carryforwards Noncurrent DeferredTaxAssetsOperatingLossCarryforwardsNoncurrent	1260000	USD
CY2015Q4	asgn	Deferred Tax Assets Operating Loss Carryforwards Noncurrent DeferredTaxAssetsOperatingLossCarryforwardsNoncurrent	1147000	USD
CY2014Q4	asgn	Deferred Tax Assets Other Noncurrent DeferredTaxAssetsOtherNoncurrent	7286000	USD
CY2015Q4	asgn	Deferred Tax Assets Other Noncurrent DeferredTaxAssetsOtherNoncurrent	5061000	USD
CY2013	asgn	Disposal Group Including Discontinued Operations Amortizationof Intangible Assets DisposalGroupIncludingDiscontinuedOperationsAmortizationofIntangibleAssets	808000	USD
CY2014	asgn	Disposal Group Including Discontinued Operations Amortizationof Intangible Assets DisposalGroupIncludingDiscontinuedOperationsAmortizationofIntangibleAssets	2721000	USD
CY2015	asgn	Disposal Group Including Discontinued Operations Amortizationof Intangible Assets DisposalGroupIncludingDiscontinuedOperationsAmortizationofIntangibleAssets	155000	USD
CY2013	asgn	Disposal Group Including Discontinued Operations Costof Services DisposalGroupIncludingDiscontinuedOperationsCostofServices	106728000	USD
CY2014	asgn	Disposal Group Including Discontinued Operations Costof Services DisposalGroupIncludingDiscontinuedOperationsCostofServices	94848000	USD
CY2015	asgn	Disposal Group Including Discontinued Operations Costof Services DisposalGroupIncludingDiscontinuedOperationsCostofServices	8653000	USD
CY2014Q4	asgn	Disposal Group Including Discontinued Operations Workers Compensationand Medical Malpractice Receivable Current DisposalGroupIncludingDiscontinuedOperationsWorkersCompensationandMedicalMalpracticeReceivableCurrent	-5358000	USD
CY2014Q4	asgn	Disposal Group Workers Compensationand Medical Malpractice Liability Current DisposalGroupWorkersCompensationandMedicalMalpracticeLiabilityCurrent	-13571000	USD
CY2014Q4	asgn	Intangible Assets Gross Including Goodwill IntangibleAssetsGrossIncludingGoodwill	341352000	USD
CY2015Q4	asgn	Intangible Assets Gross Including Goodwill IntangibleAssetsGrossIncludingGoodwill	542540000	USD
CY2015	asgn	Leverage Ratio LeverageRatio	3.02
CY2013	asgn	Other Cash Providedby Usedin Investing Activities Discontinued Operations OtherCashProvidedbyUsedinInvestingActivitiesDiscontinuedOperations	-183000	USD
CY2014	asgn	Other Cash Providedby Usedin Investing Activities Discontinued Operations OtherCashProvidedbyUsedinInvestingActivitiesDiscontinuedOperations	-308000	USD
CY2015	asgn	Other Cash Providedby Usedin Investing Activities Discontinued Operations OtherCashProvidedbyUsedinInvestingActivitiesDiscontinuedOperations	-14000	USD
CY2015	asgn	Paymentexerciseofstockoption Paymentexerciseofstockoption	2200000	USD
CY2015	asgn	Paymentson Debt PaymentsonDebt	101000000	USD
CY2014Q3	asgn	Sharerepurchaseprogramamountauthorized Sharerepurchaseprogramamountauthorized	100000000	USD
CY2015Q1	asgn	Sharerepurchaseprogramamountauthorized Sharerepurchaseprogramamountauthorized	100000000	USD
CY2015	asgn	Sharesreceivedforexercisepriceofoptions Sharesreceivedforexercisepriceofoptions	46174	shares
CY2013	asgn	Unrecognized Tax Benefits Reduction Resultingfrom Discontinued Operations UnrecognizedTaxBenefitsReductionResultingfromDiscontinuedOperations	-460000	USD
CY2014	asgn	Unrecognized Tax Benefits Reduction Resultingfrom Discontinued Operations UnrecognizedTaxBenefitsReductionResultingfromDiscontinuedOperations	-126000	USD
CY2015	asgn	Unrecognized Tax Benefits Reduction Resultingfrom Discontinued Operations UnrecognizedTaxBenefitsReductionResultingfromDiscontinuedOperations	0	USD
CY2013	asgn	Workers Compensation And Medical Malpractice Provision WorkersCompensationAndMedicalMalpracticeProvision	-5956000	USD
CY2014	asgn	Workers Compensation And Medical Malpractice Provision WorkersCompensationAndMedicalMalpracticeProvision	-3321000	USD
CY2015	asgn	Workers Compensation And Medical Malpractice Provision WorkersCompensationAndMedicalMalpracticeProvision	-2117000	USD
CY2014Q4	asgn	Workers Compensationand Medical Malpractice Receivable Current WorkersCompensationandMedicalMalpracticeReceivableCurrent	13370000	USD
CY2014Q4	asgn	Workerscompensationandmedicalmalpracticeliabilitycurrent Workerscompensationandmedicalmalpracticeliabilitycurrent	15564000	USD
CY2014Q4	asgn	Workerscompensationreceivable Workerscompensationreceivable	13370000	USD
CY2015Q4	asgn	Workerscompensationreceivable Workerscompensationreceivable	13238000	USD
CY2015	dei	Amendment Flag AmendmentFlag	false
CY2015	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2015	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2015	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2015
CY2015	dei	Document Period End Date DocumentPeriodEndDate	2015-12-31
CY2015	dei	Document Type DocumentType	10-K
CY2015	dei	Entity Central Index Key EntityCentralIndexKey	0000890564
CY2016Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	53200487	shares
CY2015	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2015	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2015Q2	dei	Entity Public Float EntityPublicFloat	1888588488	USD
CY2015	dei	Entity Registrant Name EntityRegistrantName	ON ASSIGNMENT INC
CY2015	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2015	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2014Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	7925000	USD
CY2015Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	9132000	USD
CY2014Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	277146000	USD
CY2015Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	354808000	USD
CY2014Q4	us-gaap	Accrued Income Taxes Current AccruedIncomeTaxesCurrent	340000	USD
CY2013Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	116000	USD
CY2014Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-4570000	USD
CY2015Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-8162000	USD
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CY2014Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	483902000	USD
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CY2013	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	13911000	USD
CY2014	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	17246000	USD
CY2015	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	23471000	USD
CY2013	us-gaap	Adjustments To Additional Paid In Capital Tax Effect From Share Based Compensation AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation	5305000	USD
CY2014	us-gaap	Adjustments To Additional Paid In Capital Tax Effect From Share Based Compensation AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation	4718000	USD
CY2015	us-gaap	Adjustments To Additional Paid In Capital Tax Effect From Share Based Compensation AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation	6551000	USD
CY2013	us-gaap	Advertising Expense AdvertisingExpense	4000000	USD
CY2014	us-gaap	Advertising Expense AdvertisingExpense	4800000	USD
CY2015	us-gaap	Advertising Expense AdvertisingExpense	3600000	USD
CY2013	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	14411000	USD
CY2014	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	16199000	USD
CY2015	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	22018000	USD
CY2014Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	4404000	USD
CY2015Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	6682000	USD
CY2013	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	20943000	USD
CY2014	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	22130000	USD
CY2015	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	34467000	USD
CY2014Q4	us-gaap	Assets Assets	1251839000	USD
CY2015Q4	us-gaap	Assets Assets	1767307000	USD
CY2014Q4	us-gaap	Assets Current AssetsCurrent	366026000	USD
CY2015Q4	us-gaap	Assets Current AssetsCurrent	414208000	USD
CY2014Q4	us-gaap	Assets Of Disposal Group Including Discontinued Operation Current AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent	31032000	USD
CY2015Q4	us-gaap	Assets Of Disposal Group Including Discontinued Operation Current AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent	0	USD
CY2013	us-gaap	Business Acquisition Pro Forma Earnings Per Share Basic BusinessAcquisitionProFormaEarningsPerShareBasic	1.65
CY2014	us-gaap	Business Acquisition Pro Forma Earnings Per Share Basic BusinessAcquisitionProFormaEarningsPerShareBasic	1.27
CY2015	us-gaap	Business Acquisition Pro Forma Earnings Per Share Basic BusinessAcquisitionProFormaEarningsPerShareBasic	2.00
CY2013	us-gaap	Business Acquisition Pro Forma Earnings Per Share Diluted BusinessAcquisitionProFormaEarningsPerShareDiluted	1.62
CY2014	us-gaap	Business Acquisition Pro Forma Earnings Per Share Diluted BusinessAcquisitionProFormaEarningsPerShareDiluted	1.25
CY2015	us-gaap	Business Acquisition Pro Forma Earnings Per Share Diluted BusinessAcquisitionProFormaEarningsPerShareDiluted	1.97
CY2013	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	1.03
CY2014	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	1.20
CY2015	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	1.50
CY2013	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	1.01
CY2014	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	1.18
CY2015	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	1.48
CY2013	us-gaap	Business Acquisitions Pro Forma Income Loss From Continuing Operations Before Changes In Accounting And Extraordinary Items Net Of Tax BusinessAcquisitionsProFormaIncomeLossFromContinuingOperationsBeforeChangesInAccountingAndExtraordinaryItemsNetOfTax	54947000	USD
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CY2015	us-gaap	Business Acquisitions Pro Forma Income Loss From Continuing Operations Before Changes In Accounting And Extraordinary Items Net Of Tax BusinessAcquisitionsProFormaIncomeLossFromContinuingOperationsBeforeChangesInAccountingAndExtraordinaryItemsNetOfTax	79159000	USD
CY2013	us-gaap	Business Acquisitions Pro Forma Net Income Loss BusinessAcquisitionsProFormaNetIncomeLoss	88319000	USD
CY2014	us-gaap	Business Acquisitions Pro Forma Net Income Loss BusinessAcquisitionsProFormaNetIncomeLoss	68841000	USD
CY2015	us-gaap	Business Acquisitions Pro Forma Net Income Loss BusinessAcquisitionsProFormaNetIncomeLoss	105387000	USD
CY2013	us-gaap	Business Acquisitions Pro Forma Revenue BusinessAcquisitionsProFormaRevenue	1582699000	USD
CY2014	us-gaap	Business Acquisitions Pro Forma Revenue BusinessAcquisitionsProFormaRevenue	1960851000	USD
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CY2013Q4	us-gaap	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Other Noncurrent Assets BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets	915000	USD
CY2013	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	594000	USD
CY2014	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	2932000	USD
CY2015	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	989000	USD
CY2014Q4	us-gaap	Cash Cash	28860000	USD
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CY2015Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2014Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
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CY2014Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	75000000	shares
CY2015Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	75000000	shares
CY2014Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	51386693	shares
CY2015Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	53024972	shares
CY2014Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	51386693	shares
CY2015Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	53024972	shares
CY2014Q4	us-gaap	Common Stock Value CommonStockValue	514000	USD
CY2015Q4	us-gaap	Common Stock Value CommonStockValue	530000	USD
CY2015	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	2	property
CY2013	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	85833000	USD
CY2014	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	72498000	USD
CY2015	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	94058000	USD
CY2015Q4	us-gaap	Contractual Obligation ContractualObligation	87915000	USD
CY2015Q4	us-gaap	Contractual Obligation Due After Fifth Year ContractualObligationDueAfterFifthYear	17200000	USD
CY2015Q4	us-gaap	Contractual Obligation Due In Fifth Year ContractualObligationDueInFifthYear	8887000	USD
CY2015Q4	us-gaap	Contractual Obligation Due In Fourth Year ContractualObligationDueInFourthYear	11271000	USD
CY2015Q4	us-gaap	Contractual Obligation Due In Next Twelve Months ContractualObligationDueInNextTwelveMonths	19559000	USD
CY2015Q4	us-gaap	Contractual Obligation Due In Second Year ContractualObligationDueInSecondYear	16702000	USD
CY2015Q4	us-gaap	Contractual Obligation Due In Third Year ContractualObligationDueInThirdYear	14296000	USD
CY2013	us-gaap	Cost Of Services CostOfServices	1068226000	USD
CY2014	us-gaap	Cost Of Services CostOfServices	1167306000	USD
CY2015	us-gaap	Cost Of Services CostOfServices	1386263000	USD
CY2013	us-gaap	Costs And Expenses Related Party CostsAndExpensesRelatedParty	1300000	USD
CY2014	us-gaap	Costs And Expenses Related Party CostsAndExpensesRelatedParty	1300000	USD
CY2015	us-gaap	Costs And Expenses Related Party CostsAndExpensesRelatedParty	1300000	USD
CY2013	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	26284000	USD
CY2014	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	28581000	USD
CY2015	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	31295000	USD
CY2013	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	1204000	USD
CY2014	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	2181000	USD
CY2015	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	2048000	USD
CY2013	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	32398000	USD
CY2014	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	35822000	USD
CY2015	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	39180000	USD
CY2013	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	4910000	USD
CY2014	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	5060000	USD
CY2015	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	5837000	USD
CY2015Q4	us-gaap	Debt Weighted Average Interest Rate DebtWeightedAverageInterestRate	0.0368
CY2013	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	4244000	USD
CY2014	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	15991000	USD
CY2015	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	11520000	USD
CY2013	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-84000	USD
CY2014	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-256000	USD
CY2015	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-209000	USD
CY2013	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	4160000	USD
CY2014	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	15735000	USD
CY2015	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	11311000	USD
CY2014Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	71400000	USD
CY2015Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	89700000	USD
CY2013	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	4111000	USD
CY2014	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	15948000	USD
CY2015	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	11549000	USD
CY2014Q4	us-gaap	Deferred Rent Credit Current DeferredRentCreditCurrent	300000	USD
CY2015Q4	us-gaap	Deferred Rent Credit Current DeferredRentCreditCurrent	500000	USD
CY2015Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	14369000	USD
CY2014Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	13405000	USD
CY2014Q4	us-gaap	Deferred Rent Credit Noncurrent DeferredRentCreditNoncurrent	4000000	USD
CY2015Q4	us-gaap	Deferred Rent Credit Noncurrent DeferredRentCreditNoncurrent	4300000	USD
CY2014Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	24100000	USD
CY2015Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	29200000	USD
CY2014Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	3022000	USD
CY2015Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	7354000	USD
CY2014Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Accrued Liabilities DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities	7240000	USD
CY2015Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Accrued Liabilities DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities	7573000	USD
CY2014Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Allowance For Doubtful Accounts DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts	2027000	USD
CY2015Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Allowance For Doubtful Accounts DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts	2607000	USD
CY2014Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Loss Reserves DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsLossReserves	4068000	USD
CY2015Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Loss Reserves DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsLossReserves	720000	USD
CY2014Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	1114000	USD
CY2015Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	1044000	USD
CY2014Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	48842000	USD
CY2015Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	61539000	USD
CY2014Q4	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets	59226000	USD
CY2015Q4	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets	70588000	USD
CY2014Q4	us-gaap	Deferred Tax Liabilities Noncurrent DeferredTaxLiabilitiesNoncurrent	48075000	USD
CY2015Q4	us-gaap	Deferred Tax Liabilities Noncurrent DeferredTaxLiabilitiesNoncurrent	61539000	USD
CY2013	us-gaap	Defined Contribution Plan Employer Discretionary Contribution Amount DefinedContributionPlanEmployerDiscretionaryContributionAmount	6000000	USD
CY2013	us-gaap	Discontinued Operation Tax Effect Of Discontinued Operation DiscontinuedOperationTaxEffectOfDiscontinuedOperation	1950000	USD
CY2014	us-gaap	Defined Contribution Plan Employer Discretionary Contribution Amount DefinedContributionPlanEmployerDiscretionaryContributionAmount	7500000	USD
CY2015	us-gaap	Defined Contribution Plan Employer Discretionary Contribution Amount DefinedContributionPlanEmployerDiscretionaryContributionAmount	7600000	USD
CY2013	us-gaap	Depreciation Depreciation	7200000	USD
CY2014	us-gaap	Depreciation Depreciation	12300000	USD
CY2015	us-gaap	Depreciation Depreciation	16800000	USD
CY2013	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	29882000	USD
CY2014	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	38296000	USD
CY2015	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	51569000	USD
CY2013	us-gaap	Discontinued Operation Gain Loss On Disposal Of Discontinued Operation Net Of Tax DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax	30840000	USD
CY2014	us-gaap	Discontinued Operation Gain Loss On Disposal Of Discontinued Operation Net Of Tax DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax	0	USD
CY2015	us-gaap	Discontinued Operation Gain Loss On Disposal Of Discontinued Operation Net Of Tax DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax	25703000	USD
CY2013	us-gaap	Discontinued Operation Income Loss From Discontinued Operation Before Income Tax DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax	4482000	USD
CY2014	us-gaap	Discontinued Operation Income Loss From Discontinued Operation Before Income Tax DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax	6519000	USD
CY2015	us-gaap	Discontinued Operation Income Loss From Discontinued Operation Before Income Tax DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax	875000	USD
CY2014	us-gaap	Discontinued Operation Tax Effect Of Discontinued Operation DiscontinuedOperationTaxEffectOfDiscontinuedOperation	2830000	USD
CY2015	us-gaap	Discontinued Operation Tax Effect Of Discontinued Operation DiscontinuedOperationTaxEffectOfDiscontinuedOperation	350000	USD
CY2014Q4	us-gaap	Disposal Group Including Discontinued Operation Accounts Notes And Loans Receivable Net DisposalGroupIncludingDiscontinuedOperationAccountsNotesAndLoansReceivableNet	-21615000	USD
CY2014Q4	us-gaap	Disposal Group Including Discontinued Operation Accounts Payable DisposalGroupIncludingDiscontinuedOperationAccountsPayable	-951000	USD
CY2014Q4	us-gaap	Disposal Group Including Discontinued Operation Accrued Liabilities DisposalGroupIncludingDiscontinuedOperationAccruedLiabilities	-4626000	USD
CY2014Q4	us-gaap	Disposal Group Including Discontinued Operation Assets Noncurrent DisposalGroupIncludingDiscontinuedOperationAssetsNoncurrent	73673000	USD
CY2015Q4	us-gaap	Disposal Group Including Discontinued Operation Assets Noncurrent DisposalGroupIncludingDiscontinuedOperationAssetsNoncurrent	0	USD
CY2014Q4	us-gaap	Disposal Group Including Discontinued Operation Cash And Cash Equivalents DisposalGroupIncludingDiscontinuedOperationCashAndCashEquivalents	2854000	USD
CY2015Q4	us-gaap	Disposal Group Including Discontinued Operation Deferred Tax Asset Current DisposalGroupIncludingDiscontinuedOperationDeferredTaxAssetCurrent	800000	USD
CY2014Q4	us-gaap	Disposal Group Including Discontinued Operation Deferred Tax Liabilities Noncurrent DisposalGroupIncludingDiscontinuedOperationDeferredTaxLiabilitiesNoncurrent	767000	USD
CY2013	us-gaap	Disposal Group Including Discontinued Operation General And Administrative Expense DisposalGroupIncludingDiscontinuedOperationGeneralAndAdministrativeExpense	38991000	USD
CY2014	us-gaap	Disposal Group Including Discontinued Operation General And Administrative Expense DisposalGroupIncludingDiscontinuedOperationGeneralAndAdministrativeExpense	33078000	USD
CY2015	us-gaap	Disposal Group Including Discontinued Operation General And Administrative Expense DisposalGroupIncludingDiscontinuedOperationGeneralAndAdministrativeExpense	2385000	USD
CY2014Q4	us-gaap	Disposal Group Including Discontinued Operation Goodwill1 DisposalGroupIncludingDiscontinuedOperationGoodwill1	58637000	USD
CY2013	us-gaap	Disposal Group Including Discontinued Operation Gross Profit Loss DisposalGroupIncludingDiscontinuedOperationGrossProfitLoss	46737000	USD
CY2014	us-gaap	Disposal Group Including Discontinued Operation Gross Profit Loss DisposalGroupIncludingDiscontinuedOperationGrossProfitLoss	42318000	USD
CY2015	us-gaap	Disposal Group Including Discontinued Operation Gross Profit Loss DisposalGroupIncludingDiscontinuedOperationGrossProfitLoss	3415000	USD
CY2014Q4	us-gaap	Disposal Group Including Discontinued Operation Intangible Assets DisposalGroupIncludingDiscontinuedOperationIntangibleAssets	11960000	USD
CY2013	us-gaap	Disposal Group Including Discontinued Operation Interest Expense DisposalGroupIncludingDiscontinuedOperationInterestExpense	2456000	USD
CY2014	us-gaap	Disposal Group Including Discontinued Operation Interest Expense DisposalGroupIncludingDiscontinuedOperationInterestExpense	0	USD
CY2015	us-gaap	Disposal Group Including Discontinued Operation Interest Expense DisposalGroupIncludingDiscontinuedOperationInterestExpense	0	USD
CY2013	us-gaap	Disposal Group Including Discontinued Operation Operating Income Loss DisposalGroupIncludingDiscontinuedOperationOperatingIncomeLoss	6938000	USD
CY2014	us-gaap	Disposal Group Including Discontinued Operation Operating Income Loss DisposalGroupIncludingDiscontinuedOperationOperatingIncomeLoss	6519000	USD
CY2015	us-gaap	Disposal Group Including Discontinued Operation Operating Income Loss DisposalGroupIncludingDiscontinuedOperationOperatingIncomeLoss	875000	USD
CY2014Q4	us-gaap	Disposal Group Including Discontinued Operation Other Current Assets DisposalGroupIncludingDiscontinuedOperationOtherCurrentAssets	0	USD
CY2014Q4	us-gaap	Disposal Group Including Discontinued Operation Other Current Liabilities DisposalGroupIncludingDiscontinuedOperationOtherCurrentLiabilities	1047000	USD
CY2014Q4	us-gaap	Disposal Group Including Discontinued Operation Other Noncurrent Assets DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentAssets	-568000	USD
CY2014Q4	us-gaap	Disposal Group Including Discontinued Operation Other Noncurrent Liabilities DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentLiabilities	1479000	USD
CY2014Q4	us-gaap	Disposal Group Including Discontinued Operation Prepaid And Other Assets DisposalGroupIncludingDiscontinuedOperationPrepaidAndOtherAssets	1205000	USD
CY2014Q4	us-gaap	Disposal Group Including Discontinued Operation Property Plant And Equipment DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipment	2508000	USD
CY2015Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.76
CY2015Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.27
CY2015Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.47
CY2015Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.37
CY2013	us-gaap	Disposal Group Including Discontinued Operation Revenue DisposalGroupIncludingDiscontinuedOperationRevenue	153465000	USD
CY2014	us-gaap	Disposal Group Including Discontinued Operation Revenue DisposalGroupIncludingDiscontinuedOperationRevenue	137166000	USD
CY2015	us-gaap	Disposal Group Including Discontinued Operation Revenue DisposalGroupIncludingDiscontinuedOperationRevenue	12068000	USD
CY2013	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.58
CY2014Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.26
CY2014Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.38
CY2014Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.41
CY2014Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.39
CY2014	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.44
CY2015	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.87
CY2013	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.55
CY2014Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.25
CY2014Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.38
CY2014Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.41
CY2014Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.39
CY2014	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.42
CY2015Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.75
CY2015Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.27
CY2015Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.47
CY2015Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.36
CY2015	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.84
CY2013	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	92000	USD
CY2014	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	-1006000	USD
CY2015	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	-1467000	USD
CY2013	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.35
CY2014	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.35
CY2015	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.350
CY2014Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	82563000	USD
CY2015Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	88100000	USD
CY2013	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	5100000	USD
CY2014	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	4700000	USD
CY2013	us-gaap	Excess Tax Benefit From Share Based Compensation Financing Activities ExcessTaxBenefitFromShareBasedCompensationFinancingActivities	5308000	USD
CY2014	us-gaap	Excess Tax Benefit From Share Based Compensation Financing Activities ExcessTaxBenefitFromShareBasedCompensationFinancingActivities	4943000	USD
CY2015	us-gaap	Excess Tax Benefit From Share Based Compensation Financing Activities ExcessTaxBenefitFromShareBasedCompensationFinancingActivities	6551000	USD
CY2013	us-gaap	Excess Tax Benefit From Share Based Compensation Operating Activities ExcessTaxBenefitFromShareBasedCompensationOperatingActivities	5308000	USD
CY2014	us-gaap	Excess Tax Benefit From Share Based Compensation Operating Activities ExcessTaxBenefitFromShareBasedCompensationOperatingActivities	4943000	USD
CY2015	us-gaap	Excess Tax Benefit From Share Based Compensation Operating Activities ExcessTaxBenefitFromShareBasedCompensationOperatingActivities	6551000	USD
CY2014Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	90743000	USD
CY2015Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	124615000	USD
CY2015Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense After Year Five FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive	34201000	USD
CY2015Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	39657000	USD
CY2015Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	14496000	USD
CY2015Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	22008000	USD
CY2015Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	28904000	USD
CY2015Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	33029000	USD
CY2014Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	163027000	USD
CY2013	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	3807000	USD
CY2015Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	296910000	USD
CY2014Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	72284000	USD
CY2015Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	172295000	USD
CY2014Q4	us-gaap	Goodwill Goodwill	512060000	USD
CY2015Q4	us-gaap	Goodwill Goodwill	874906000	USD
CY2013Q4	us-gaap	Goodwill Gross GoodwillGross	514426000	USD
CY2014Q4	us-gaap	Goodwill Gross GoodwillGross	512060000	USD
CY2015Q4	us-gaap	Goodwill Gross GoodwillGross	-874906000	USD
CY2013	us-gaap	Goodwill Translation Adjustments GoodwillTranslationAdjustments	-2366000	USD
CY2015	us-gaap	Goodwill Translation Adjustments GoodwillTranslationAdjustments	-1632000	USD
CY2013	us-gaap	Gross Profit GrossProfit	454875000	USD
CY2014Q1	us-gaap	Gross Profit GrossProfit	128155000	USD
CY2014Q2	us-gaap	Gross Profit GrossProfit	141905000	USD
CY2014Q3	us-gaap	Gross Profit GrossProfit	144838000	USD
CY2014Q4	us-gaap	Gross Profit GrossProfit	142537000	USD
CY2014	us-gaap	Gross Profit GrossProfit	557435000	USD
CY2015Q1	us-gaap	Gross Profit GrossProfit	135875000	USD
CY2015Q2	us-gaap	Gross Profit GrossProfit	158534000	USD
CY2015Q3	us-gaap	Gross Profit GrossProfit	191404000	USD
CY2015Q4	us-gaap	Gross Profit GrossProfit	192932000	USD
CY2015	us-gaap	Gross Profit GrossProfit	678745000	USD
CY2013	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	51140000	USD
CY2014Q1	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	13605000	USD
CY2014Q2	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	19641000	USD
CY2014Q3	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	20723000	USD
CY2014Q4	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	19526000	USD
CY2014	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	73495000	USD
CY2015Q1	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	13023000	USD
CY2015Q2	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	14335000	USD
CY2015Q3	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	24891000	USD
CY2015Q4	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	19173000	USD
CY2015	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	71422000	USD
CY2013	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	82970000	USD
CY2014	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	122496000	USD
CY2015	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	116011000	USD
CY2013	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	4728000	USD
CY2014	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	2556000	USD
CY2015	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	5902000	USD
CY2013	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	87698000	USD
CY2014	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	125052000	USD
CY2015	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	121913000	USD
CY2013	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.96
CY2014Q1	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.25
CY2014Q2	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.36
CY2015Q1	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.25
CY2014Q3	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.39
CY2014Q4	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.38
CY2014	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	1.38
CY2015Q2	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.28
CY2014	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	1.35
CY2015Q3	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.47
CY2015Q4	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.36
CY2015	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	1.37
CY2013	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.94
CY2014Q1	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.25
CY2014Q2	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.36
CY2014Q3	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.38
CY2014Q4	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.37
CY2015Q1	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.25
CY2015Q2	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.27
CY2015Q3	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.47
CY2015Q4	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.36
CY2015	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	1.35
CY2013	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	2532000	USD
CY2014	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	3689000	USD
CY2015	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	525000	USD
CY2013	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0.62
CY2014Q1	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0.01
CY2014Q2	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0.02
CY2014Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0.02
CY2014Q4	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0.01
CY2014	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0.06
CY2015Q1	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0.51
CY2015Q2	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	-0.01
CY2015Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0.00
CY2015Q4	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0.01
CY2015	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0.50
CY2013	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0.61
CY2014Q1	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0.00
CY2014Q2	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0.02
CY2014Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0.03
CY2014Q4	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0.02
CY2014	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0.07
CY2015Q1	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0.50
CY2015Q2	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0.00
CY2015Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0.00
CY2015Q4	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0.00
CY2015	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0.49
CY2013	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	36558000	USD
CY2014	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	51557000	USD
CY2015	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	50491000	USD
CY2013	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	30694000	USD
CY2014	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	43768000	USD
CY2015	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	42669000	USD
CY2013	us-gaap	Income Tax Reconciliation Nondeductible Expense Other IncomeTaxReconciliationNondeductibleExpenseOther	1592000	USD
CY2014	us-gaap	Income Tax Reconciliation Nondeductible Expense Other IncomeTaxReconciliationNondeductibleExpenseOther	1608000	USD
CY2014	us-gaap	Income Tax Reconciliation Other Reconciling Items IncomeTaxReconciliationOtherReconcilingItems	1507000	USD
CY2015	us-gaap	Income Tax Reconciliation Other Reconciling Items IncomeTaxReconciliationOtherReconcilingItems	1545000	USD
CY2015	us-gaap	Income Tax Reconciliation Nondeductible Expense Other IncomeTaxReconciliationNondeductibleExpenseOther	1718000	USD
CY2013	us-gaap	Income Tax Reconciliation Other Reconciling Items IncomeTaxReconciliationOtherReconcilingItems	465000	USD
CY2015	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	45478000	USD
CY2013	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-1580000	USD
CY2013	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	32350000	USD
CY2014	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	56320000	USD
CY2014	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	4674000	USD
CY2015	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	4559000	USD
CY2014	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-1693000	USD
CY2015	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	1684000	USD
CY2013	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	20155000	USD
CY2014	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	45361000	USD
CY2015	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	53775000	USD
CY2013	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	-5759000	USD
CY2014	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	-8023000	USD
CY2015	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	-7679000	USD
CY2013	us-gaap	Increase Decrease In Accrued Salaries IncreaseDecreaseInAccruedSalaries	17554000	USD
CY2014	us-gaap	Increase Decrease In Accrued Salaries IncreaseDecreaseInAccruedSalaries	11275000	USD
CY2015	us-gaap	Increase Decrease In Accrued Salaries IncreaseDecreaseInAccruedSalaries	242000	USD
CY2013	us-gaap	Increase Decrease In Deferred Compensation IncreaseDecreaseInDeferredCompensation	-9980000	USD
CY2014	us-gaap	Increase Decrease In Deferred Compensation IncreaseDecreaseInDeferredCompensation	-20000	USD
CY2015	us-gaap	Increase Decrease In Deferred Compensation IncreaseDecreaseInDeferredCompensation	0	USD
CY2013	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	-8548000	USD
CY2014	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	4120000	USD
CY2015	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	-3800000	USD
CY2013	us-gaap	Increase Decrease In Prepaid Expense IncreaseDecreaseInPrepaidExpense	-6628000	USD
CY2014	us-gaap	Increase Decrease In Prepaid Expense IncreaseDecreaseInPrepaidExpense	8304000	USD
CY2015	us-gaap	Increase Decrease In Prepaid Expense IncreaseDecreaseInPrepaidExpense	-100000	USD
CY2013	us-gaap	Increase Decrease In Workers Compensation Liabilities IncreaseDecreaseInWorkersCompensationLiabilities	-2348000	USD
CY2014	us-gaap	Increase Decrease In Workers Compensation Liabilities IncreaseDecreaseInWorkersCompensationLiabilities	-2192000	USD
CY2015	us-gaap	Increase Decrease In Workers Compensation Liabilities IncreaseDecreaseInWorkersCompensationLiabilities	-901000	USD
CY2013	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	1074000	shares
CY2014	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	857000	shares
CY2015	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	746000	shares
CY2014Q4	us-gaap	Indefinite Lived Trademarks IndefiniteLivedTrademarks	178325000	USD
CY2015Q4	us-gaap	Indefinite Lived Trademarks IndefiniteLivedTrademarks	245630000	USD
CY2014Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	250609000	USD
CY2015Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	417925000	USD
CY2014Q4	us-gaap	Intangible Assets Net Including Goodwill IntangibleAssetsNetIncludingGoodwill	250609000	USD
CY2015Q4	us-gaap	Intangible Assets Net Including Goodwill IntangibleAssetsNetIncludingGoodwill	417925000	USD
CY2013	us-gaap	Interest Expense InterestExpense	13931000	USD
CY2014	us-gaap	Interest Expense InterestExpense	12730000	USD
CY2015	us-gaap	Interest Expense InterestExpense	26444000	USD
CY2013	us-gaap	Interest Paid Net InterestPaidNet	15158000	USD
CY2014	us-gaap	Interest Paid Net InterestPaidNet	11559000	USD
CY2015	us-gaap	Interest Paid Net InterestPaidNet	22282000	USD
CY2013	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	15400000	USD
CY2014	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	17600000	USD
CY2015	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	21600000	USD
CY2014Q4	us-gaap	Letters Of Credit Outstanding Amount LettersOfCreditOutstandingAmount	3200000	USD
CY2015Q4	us-gaap	Letters Of Credit Outstanding Amount LettersOfCreditOutstandingAmount	3500000	USD
CY2014Q4	us-gaap	Liabilities Liabilities	617431000	USD
CY2015Q4	us-gaap	Liabilities Liabilities	982513000	USD
CY2014Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	1251839000	USD
CY2015Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	1767307000	USD
CY2014Q4	us-gaap	Liabilities Current LiabilitiesCurrent	164755000	USD
CY2015Q4	us-gaap	Liabilities Current LiabilitiesCurrent	160350000	USD
CY2014Q4	us-gaap	Liabilities Of Disposal Group Including Discontinued Operation Current LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent	20195000	USD
CY2015Q4	us-gaap	Liabilities Of Disposal Group Including Discontinued Operation Current LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent	0	USD
CY2014Q4	us-gaap	Liabilities Of Disposal Group Including Discontinued Operation Noncurrent LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrent	2246000	USD
CY2015Q4	us-gaap	Liabilities Of Disposal Group Including Discontinued Operation Noncurrent LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrent	0	USD
CY2013Q4	us-gaap	Liability For Uncertain Tax Positions Noncurrent LiabilityForUncertainTaxPositionsNoncurrent	900000	USD
CY2014Q4	us-gaap	Liability For Uncertain Tax Positions Noncurrent LiabilityForUncertainTaxPositionsNoncurrent	900000	USD
CY2015Q4	us-gaap	Liability For Uncertain Tax Positions Noncurrent LiabilityForUncertainTaxPositionsNoncurrent	900000	USD
CY2014Q4	us-gaap	Long Term Debt LongTermDebt	411857000	USD
CY2015Q4	us-gaap	Long Term Debt LongTermDebt	755500000	USD
CY2015Q4	us-gaap	Long Term Debt LongTermDebt	755508000	USD
CY2014Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	17439000	USD
CY2015Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	0	USD
CY2014Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	394418000	USD
CY2015Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	755508000	USD
CY2013	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-32390000	USD
CY2014	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-81092000	USD
CY2015	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	337659000	USD
CY2013	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-68355000	USD
CY2014	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-19560000	USD
CY2015	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-461530000	USD
CY2013	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	110524000	USD
CY2014	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	96022000	USD
CY2015	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	117493000	USD
CY2013	us-gaap	Net Income Loss NetIncomeLoss	84512000	USD
CY2014Q1	us-gaap	Net Income Loss NetIncomeLoss	13917000	USD
CY2014Q2	us-gaap	Net Income Loss NetIncomeLoss	20789000	USD
CY2014Q3	us-gaap	Net Income Loss NetIncomeLoss	22005000	USD
CY2014Q4	us-gaap	Net Income Loss NetIncomeLoss	20473000	USD
CY2014	us-gaap	Net Income Loss NetIncomeLoss	77184000	USD
CY2015Q1	us-gaap	Net Income Loss NetIncomeLoss	39135000	USD
CY2015Q2	us-gaap	Net Income Loss NetIncomeLoss	14252000	USD
CY2015Q3	us-gaap	Net Income Loss NetIncomeLoss	24925000	USD
CY2015Q4	us-gaap	Net Income Loss NetIncomeLoss	19338000	USD
CY2015	us-gaap	Net Income Loss NetIncomeLoss	97650000	USD
CY2014Q4	us-gaap	Noncurrent Assets NoncurrentAssets	44311000	USD
CY2015Q4	us-gaap	Noncurrent Assets NoncurrentAssets	53196000	USD
CY2013	us-gaap	Payments For Other Taxes PaymentsForOtherTaxes	7600000	USD
CY2013	us-gaap	Operating Income Loss OperatingIncomeLoss	116587000	USD
CY2014	us-gaap	Operating Income Loss OperatingIncomeLoss	137782000	USD
CY2015	us-gaap	Operating Income Loss OperatingIncomeLoss	152108000	USD
CY2015Q4	us-gaap	Operating Leases Future Minimum Payments Due OperatingLeasesFutureMinimumPaymentsDue	76312000	USD
CY2015Q4	us-gaap	Operating Leases Future Minimum Payments Due Current OperatingLeasesFutureMinimumPaymentsDueCurrent	18369000	USD
CY2015Q4	us-gaap	Operating Leases Future Minimum Payments Due In Five Years OperatingLeasesFutureMinimumPaymentsDueInFiveYears	7573000	USD
CY2015Q4	us-gaap	Operating Leases Future Minimum Payments Due In Four Years OperatingLeasesFutureMinimumPaymentsDueInFourYears	9989000	USD
CY2015Q4	us-gaap	Operating Leases Future Minimum Payments Due In Three Years OperatingLeasesFutureMinimumPaymentsDueInThreeYears	12994000	USD
CY2015Q4	us-gaap	Operating Leases Future Minimum Payments Due In Two Years OperatingLeasesFutureMinimumPaymentsDueInTwoYears	15533000	USD
CY2015Q4	us-gaap	Operating Leases Future Minimum Payments Due Thereafter OperatingLeasesFutureMinimumPaymentsDueThereafter	11854000	USD
CY2014Q4	us-gaap	Operating Loss Carryforwards Valuation Allowance OperatingLossCarryforwardsValuationAllowance	1000000	USD
CY2015Q4	us-gaap	Operating Loss Carryforwards Valuation Allowance OperatingLossCarryforwardsValuationAllowance	1000000	USD
CY2014Q4	us-gaap	Other Assets Current OtherAssetsCurrent	2310000	USD
CY2015Q4	us-gaap	Other Assets Current OtherAssetsCurrent	9607000	USD
CY2014Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	5160000	USD
CY2015Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	7072000	USD
CY2015Q4	us-gaap	Other Commitment OtherCommitment	11603000	USD
CY2015Q4	us-gaap	Other Commitment Due After Fifth Year OtherCommitmentDueAfterFifthYear	5346000	USD
CY2015Q4	us-gaap	Other Commitment Due In Fifth Year OtherCommitmentDueInFifthYear	1314000	USD
CY2015Q4	us-gaap	Other Commitment Due In Fourth Year OtherCommitmentDueInFourthYear	1282000	USD
CY2015Q4	us-gaap	Other Commitment Due In Next Twelve Months OtherCommitmentDueInNextTwelveMonths	1190000	USD
CY2015Q4	us-gaap	Other Commitment Due In Second Year OtherCommitmentDueInSecondYear	1169000	USD
CY2015Q4	us-gaap	Other Commitment Due In Third Year OtherCommitmentDueInThirdYear	1302000	USD
CY2013	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax	1128000	USD
CY2014	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax	-4772000	USD
CY2015	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax	-3714000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	1128000	USD
CY2014	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-4772000	USD
CY2015	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-3714000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	1321000	USD
CY2014	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-4686000	USD
CY2015	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-3592000	USD
CY2013	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	193000	USD
CY2014	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	86000	USD
CY2015	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	122000	USD
CY2014Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	20729000	USD
CY2015Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	47425000	USD
CY2014Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	7937000	USD
CY2015Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	5116000	USD
CY2014Q4	us-gaap	Other Long Term Debt Current OtherLongTermDebtCurrent	17439000	USD
CY2013	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	1853000	USD
CY2014	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-1408000	USD
CY2015	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-7136000	USD
CY2013	us-gaap	Other Payments To Acquire Businesses OtherPaymentsToAcquireBusinesses	3425000	USD
CY2014	us-gaap	Other Payments To Acquire Businesses OtherPaymentsToAcquireBusinesses	691000	USD
CY2015	us-gaap	Other Payments To Acquire Businesses OtherPaymentsToAcquireBusinesses	0	USD
CY2014	us-gaap	Payments For Other Taxes PaymentsForOtherTaxes	6498000	USD
CY2015	us-gaap	Payments For Other Taxes PaymentsForOtherTaxes	8823000	USD
CY2013	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	1023000	USD
CY2014	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-169000	USD
CY2015	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-496000	USD
CY2013	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	0	USD
CY2014	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	100049000	USD
CY2015	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	1645000	USD
CY2015	us-gaap	Payments For Repurchase Of Equity PaymentsForRepurchaseOfEquity	1600000	USD
CY2013	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	6938000	USD
CY2014	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	467000	USD
CY2015	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	23890000	USD
CY2013	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	110700000	USD
CY2014	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	0	USD
CY2015	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	552777000	USD
CY2013	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	16531000	USD
CY2014	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	19729000	USD
CY2015	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	24689000	USD
CY2014Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2015Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2014Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	1000000	shares
CY2015Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	1000000	shares
CY2014Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2015Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2014Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2015Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2014Q4	us-gaap	Preferred Stock Value PreferredStockValue	0	USD
CY2015Q4	us-gaap	Preferred Stock Value PreferredStockValue	0	USD
CY2014Q4	us-gaap	Prepaid Expense Current PrepaidExpenseCurrent	13308000	USD
CY2015Q4	us-gaap	Prepaid Expense Current PrepaidExpenseCurrent	12686000	USD
CY2013	us-gaap	Pro Forma Weighted Average Shares Outstanding Diluted ProFormaWeightedAverageSharesOutstandingDiluted	54555000	shares
CY2014	us-gaap	Pro Forma Weighted Average Shares Outstanding Diluted ProFormaWeightedAverageSharesOutstandingDiluted	55124000	shares
CY2015	us-gaap	Pro Forma Weighted Average Shares Outstanding Diluted ProFormaWeightedAverageSharesOutstandingDiluted	53411000	shares
CY2013	us-gaap	Proceeds From Divestiture Of Businesses Net Of Cash Divested ProceedsFromDivestitureOfBusinessesNetOfCashDivested	59899000	USD
CY2014	us-gaap	Proceeds From Divestiture Of Businesses Net Of Cash Divested ProceedsFromDivestitureOfBusinessesNetOfCashDivested	0	USD
CY2015	us-gaap	Proceeds From Divestiture Of Businesses Net Of Cash Divested ProceedsFromDivestitureOfBusinessesNetOfCashDivested	115440000	USD
CY2013	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	429500000	USD
CY2014	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	164000000	USD
CY2015	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	875000000	USD
CY2013	us-gaap	Proceeds From Issuance Or Sale Of Equity ProceedsFromIssuanceOrSaleOfEquity	7054000	USD
CY2014	us-gaap	Proceeds From Issuance Or Sale Of Equity ProceedsFromIssuanceOrSaleOfEquity	6358000	USD
CY2015	us-gaap	Proceeds From Issuance Or Sale Of Equity ProceedsFromIssuanceOrSaleOfEquity	6591000	USD
CY2013	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-14000	USD
CY2014	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	0	USD
CY2015	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	0	USD
CY2013	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	0	USD
CY2014	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	0	USD
CY2015	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	2174000	USD
CY2014Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	91694000	USD
CY2015Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	115185000	USD
CY2014Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	44311000	USD
CY2015Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	53196000	USD
CY2014Q4	us-gaap	Property Plant And Equipment Other Accumulated Depreciation PropertyPlantAndEquipmentOtherAccumulatedDepreciation	47383000	USD
CY2015Q4	us-gaap	Property Plant And Equipment Other Accumulated Depreciation PropertyPlantAndEquipmentOtherAccumulatedDepreciation	61989000	USD
CY2013	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	1787000	USD
CY2014	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	7047000	USD
CY2015	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	10486000	USD
CY2013	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	456275000	USD
CY2014	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	148688000	USD
CY2015	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	516125000	USD
CY2014Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	154562000	USD
CY2015Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	249567000	USD
CY2013	us-gaap	Sales Revenue Services Net SalesRevenueServicesNet	1523101000	USD
CY2014Q1	us-gaap	Sales Revenue Services Net SalesRevenueServicesNet	406851000	USD
CY2014Q2	us-gaap	Sales Revenue Services Net SalesRevenueServicesNet	434424000	USD
CY2014Q3	us-gaap	Sales Revenue Services Net SalesRevenueServicesNet	442443000	USD
CY2014Q4	us-gaap	Sales Revenue Services Net SalesRevenueServicesNet	441023000	USD
CY2014	us-gaap	Sales Revenue Services Net SalesRevenueServicesNet	1724741000	USD
CY2015Q1	us-gaap	Sales Revenue Services Net SalesRevenueServicesNet	430045000	USD
CY2015Q2	us-gaap	Sales Revenue Services Net SalesRevenueServicesNet	485323000	USD
CY2015Q3	us-gaap	Sales Revenue Services Net SalesRevenueServicesNet	572123000	USD
CY2015Q4	us-gaap	Sales Revenue Services Net SalesRevenueServicesNet	577517000	USD
CY2015	us-gaap	Sales Revenue Services Net SalesRevenueServicesNet	2065008000	USD
CY2014Q4	us-gaap	Secured Debt SecuredDebt	415125000	USD
CY2015Q4	us-gaap	Secured Debt SecuredDebt	774000000	USD
CY2014Q4	us-gaap	Self Insurance Reserve SelfInsuranceReserve	2200000	USD
CY2015Q4	us-gaap	Self Insurance Reserve SelfInsuranceReserve	1800000	USD
CY2013	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	317345000	USD
CY2014	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	397523000	USD
CY2015	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	492170000	USD
CY2015	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Discount From Market Price Purchase Date ShareBasedCompensationArrangementByShareBasedPaymentAwardDiscountFromMarketPricePurchaseDate	0.15
CY2015Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue	36.31
CY2015Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant	2546962	shares
CY2015Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	340503	shares
CY2015Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	11.94
CY2015	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	8993	shares
CY2014Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	15189000	USD
CY2015Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	11705000	USD
CY2014Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	694881	shares
CY2015Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	356386	shares
CY2014Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	11.33
CY2015Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	12.11
CY2015Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageExercisePrice	12.11
CY2015Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Aggregate Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue	11705000	USD
CY2015Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber	356386	shares
CY2015	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	10.54
CY2015	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	9.81
CY2015	us-gaap	Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Lower Range Limit ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit	4.44
CY2015	us-gaap	Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Upper Range Limit ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit	16.51
CY2015Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	11241000	USD
CY2015	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1	P3Y3M18D
CY2014	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P3Y6M
CY2015	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P3Y6M
CY2015	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested And Expected To Vest Outstanding Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm1	P3Y6M
CY2013	us-gaap	Stock Issued1 StockIssued1	0	USD
CY2014	us-gaap	Stock Issued1 StockIssued1	0	USD
CY2015	us-gaap	Stock Issued1 StockIssued1	30183000	USD
CY2015	us-gaap	Stock Issued During Period Shares Acquisitions StockIssuedDuringPeriodSharesAcquisitions	794700	shares
CY2015	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	329502	shares
CY2015	us-gaap	Stock Issued During Period Value Acquisitions StockIssuedDuringPeriodValueAcquisitions	30183000	USD
CY2013	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	3856000	USD
CY2014	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	5253000	USD
CY2015	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	5293000	USD
CY2013	us-gaap	Stock Issued During Period Value Restricted Stock Award Net Of Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures	-4693000	USD
CY2014	us-gaap	Stock Issued During Period Value Restricted Stock Award Net Of Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures	-6497000	USD
CY2015	us-gaap	Stock Issued During Period Value Restricted Stock Award Net Of Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures	-8823000	USD
CY2013	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	3198000	USD
CY2014	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	1105000	USD
CY2015	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	3472000	USD
CY2015Q4	us-gaap	Stock Repurchase Program Remaining Authorized Repurchase Amount1 StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1	98400000	USD
CY2014	us-gaap	Stock Repurchased And Retired During Period Shares StockRepurchasedAndRetiredDuringPeriodShares	3400000	shares
CY2015	us-gaap	Stock Repurchased And Retired During Period Shares StockRepurchasedAndRetiredDuringPeriodShares	43000	shares
CY2014	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	100048000	USD
CY2015	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	3819000	USD
CY2013Q4	us-gaap	Stockholders Equity StockholdersEquity	640133000	USD
CY2014Q4	us-gaap	Stockholders Equity StockholdersEquity	634408000	USD
CY2015Q4	us-gaap	Stockholders Equity StockholdersEquity	784794000	USD
CY2012Q4	us-gaap	Stockholders Equity StockholdersEquity	532723000	USD
CY2014Q4	us-gaap	Taxes Payable Current TaxesPayableCurrent	340000	USD
CY2015Q4	us-gaap	Taxes Payable Current TaxesPayableCurrent	673000	USD
CY2014Q4	us-gaap	Unamortized Debt Issuance Expense UnamortizedDebtIssuanceExpense	-3268000	USD
CY2015Q4	us-gaap	Unamortized Debt Issuance Expense UnamortizedDebtIssuanceExpense	-18492000	USD
CY2013Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	979000	USD
CY2014Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	848000	USD
CY2015Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	814000	USD
CY2012Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	376000	USD
CY2013	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	177000	USD
CY2014	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	0	USD
CY2014	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	126000	USD
CY2015	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	0	USD
CY2013	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	0	USD
CY2014	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	131000	USD
CY2015	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	0	USD
CY2013Q4	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	900000	USD
CY2015Q4	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	800000	USD
CY2013	us-gaap	Weighted Average Basic Shares Outstanding Pro Forma WeightedAverageBasicSharesOutstandingProForma	53481000	shares
CY2014	us-gaap	Weighted Average Basic Shares Outstanding Pro Forma WeightedAverageBasicSharesOutstandingProForma	54232000	shares
CY2015	us-gaap	Weighted Average Basic Shares Outstanding Pro Forma WeightedAverageBasicSharesOutstandingProForma	52632000	shares
CY2013	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	54555000	shares
CY2014	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	54294000	shares
CY2015	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	53005000	shares
CY2013	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	53481000	shares
CY2014	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	53437000	shares
CY2015	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	52259000	shares
CY2014Q4	us-gaap	Workers Compensation Liability Current WorkersCompensationLiabilityCurrent	15564000	USD
CY2015Q4	us-gaap	Workers Compensation Liability Current WorkersCompensationLiabilityCurrent	15020000	USD
CY2013	us-gaap	Write Off Of Deferred Debt Issuance Cost WriteOffOfDeferredDebtIssuanceCost	14958000	USD
CY2014	us-gaap	Write Off Of Deferred Debt Issuance Cost WriteOffOfDeferredDebtIssuanceCost	0	USD
CY2015	us-gaap	Write Off Of Deferred Debt Issuance Cost WriteOffOfDeferredDebtIssuanceCost	3751000	USD
CY2015	us-gaap	Concentration Risk Credit Risk ConcentrationRiskCreditRisk	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;text-align:justify;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>
CY2015	us-gaap	Use Of Estimates UseOfEstimates	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;text-align:justify;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>

Files In Submission

Name	View Source	Status
0000890564-16-000069-index-headers.html	Edgar Link	pending
0000890564-16-000069-index.html	Edgar Link	pending
0000890564-16-000069.txt	Edgar Link	pending
0000890564-16-000069-xbrl.zip	Edgar Link	pending
a10-k2015.htm	Edgar Link	pending
a12312015ex211subsofthereg.htm	Edgar Link	pending
a12312015ex231consent.htm	Edgar Link	pending
a12312015ex311ceocertifica.htm	Edgar Link	pending
a12312015ex312cfocertifica.htm	Edgar Link	pending
a12312015ex321writtenstate.htm	Edgar Link	pending
a12312015ex322writtenstate.htm	Edgar Link	pending
asgn-20151231.xml	Edgar Link	completed
asgn-20151231.xsd	Edgar Link	pending
asgn-20151231_cal.xml	Edgar Link	unprocessable
asgn-20151231_def.xml	Edgar Link	unprocessable
asgn-20151231_lab.xml	Edgar Link	unprocessable
asgn-20151231_pre.xml	Edgar Link	unprocessable
ex1018tracheb.htm	Edgar Link	pending
ex1020rsu.htm	Edgar Link	pending
ex1025cic.htm	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xlsx	Edgar Link	pending
R1.htm	Edgar Link	pending
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R8.htm	Edgar Link	pending
R9.htm	Edgar Link	pending
report.css	Edgar Link	pending
Show.js	Edgar Link	pending

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$ASGN
ASGN Inc Stock $asgn

2015 Q4 Form 10-K Financial Statement

#000089056416000069 Filed on February 29, 2016

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$ASGN ASGN Inc Stock $asgn

2015 Q4 Form 10-K Financial Statement

#000089056416000069 Filed on February 29, 2016

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$ASGN
ASGN Inc Stock $asgn