$STGW
Stagwell Inc Stock $stgw

$stgw Overview Financials Valuation SEC Filings Company Website

2018 Q4 Form 10-K Financial Statement

#000087688319000004 Filed on March 18, 2019

Income Statement

Concept	2018 Q4	2018	2017 Q4
Revenue	$392.5M	$1.475B	$402.7M
YoY Change	-2.53%	-2.56%	3.15%
Cost Of Revenue	$256.1M	$991.2M	$268.7M
YoY Change	-4.68%	-3.15%	3.26%
Gross Profit	$136.5M	$483.9M	$134.1M
YoY Change	1.78%	-1.31%	2.94%
Gross Profit Margin	34.76%	32.8%	33.29%
Selling, General & Admin	$78.90M	$349.1M	$59.10M
YoY Change	33.5%	12.43%	-18.37%
% of Gross Profit	57.82%	72.14%	44.08%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$11.00M	$27.11M	$10.60M
YoY Change	3.77%	13.56%	-14.52%
% of Gross Profit	8.06%	5.6%	7.91%
Operating Expenses	$89.90M	$395.3M	$69.70M
YoY Change	28.98%	11.68%	-17.81%
Operating Profit	$46.56M	$1.434M	$64.37M
YoY Change	-27.67%	-98.9%	41.64%
Interest Expense	-$30.40M	-$90.33M	-$16.70M
YoY Change	82.04%	108.57%	-36.26%
% of Operating Profit	-65.29%	-6299.37%	-25.94%
Other Income/Expense, Net	-$1.000M	-$90.10M	$2.300M
YoY Change	-143.48%	100.76%	283.33%
Pretax Income	-$40.40M	-$88.67M	$45.60M
YoY Change	-188.6%	-203.08%	4966.67%
Income Tax	$35.00M	$29.62M	-$85.30M
% Of Pretax Income			-187.06%
Net Earnings	-$87.87M	-$130.0M	$222.7M
YoY Change	-139.46%	-153.93%	2347.44%
Net Earnings / Revenue	-22.39%	-8.81%	55.29%
Basic Earnings Per Share	-$1.57	-$2.31	$3.33
Diluted Earnings Per Share	-$1.57	-$2.31	$3.30
COMMON SHARES
Basic Shares Outstanding		57.22M shares
Diluted Shares Outstanding		57.22M shares

Balance Sheet

Concept	2018 Q4	2018	2017 Q4
SHORT-TERM ASSETS
Cash & Short-Term Investments	$30.90M	$30.87M	$46.20M
YoY Change	-33.12%	-33.14%	65.59%
Cash & Equivalents	$30.87M	$30.87M	$46.18M
Short-Term Investments
Other Short-Term Assets	$42.50M	$121.4M	$26.74M
YoY Change	58.92%	286.98%	-23.29%
Inventory
Prepaid Expenses
Receivables	$394.1M	$437.6M	$434.1M
Other Receivables	$0.00	$0.00	$0.00
Total Short-Term Assets	$588.7M	$589.9M	$542.8M
YoY Change	8.47%	8.67%	10.86%
LONG-TERM ASSETS
Property, Plant & Equipment	$88.19M	$88.19M	$90.31M
YoY Change	-2.34%	-2.34%	15.22%
Goodwill	$732.8M		$834.9M
YoY Change	-12.23%		-1.17%
Intangibles	$82.37M		$88.39M
YoY Change	-6.81%		-14.07%
Long-Term Investments		$6.556M	$6.307M
YoY Change		3.95%	32.92%
Other Assets	$32.07M	$118.3M	$37.64M
YoY Change	-14.81%	-22.69%	13.89%
Total Long-Term Assets	$1.012B	$1.022B	$1.156B
YoY Change	-12.45%	-11.63%	6.28%
TOTAL ASSETS
Total Short-Term Assets	$588.7M	$589.9M	$542.8M
Total Long-Term Assets	$1.012B	$1.022B	$1.156B
Total Assets	$1.601B	$1.612B	$1.699B
YoY Change	-5.77%	-5.14%	7.7%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$222.0M	$222.0M	$244.5M
YoY Change	-9.21%	-9.21%	-2.76%
Accrued Expenses	$312.8M	$312.8M	$327.8M
YoY Change	-4.58%	-4.58%	7.97%
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due	$356.0K	$356.0K	$313.0K
YoY Change	13.74%	13.74%	37.28%
Total Short-Term Liabilities	$742.5M	$742.5M	$775.6M
YoY Change	-4.27%	-4.27%	-3.39%
LONG-TERM LIABILITIES
Long-Term Debt	$954.1M	$954.2M	$882.8M
YoY Change	8.08%	8.09%	-5.7%
Other Long-Term Liabilities	$54.26M	$104.9M	$54.11M
YoY Change	0.27%	-16.96%	-3.4%
Total Long-Term Liabilities	$1.008B	$1.059B	$936.9M
YoY Change	7.63%	4.95%	-5.57%
TOTAL LIABILITIES
Total Short-Term Liabilities	$742.5M	$742.5M	$775.6M
Total Long-Term Liabilities	$1.008B	$1.059B	$936.9M
Total Liabilities	$1.807B	$1.923B	$1.792B
YoY Change	0.86%	0.56%	-11.6%
SHAREHOLDERS EQUITY
Retained Earnings	-$475.5M		-$340.0M
YoY Change	39.86%		-41.57%
Common Stock	$58.58M
YoY Change
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	-$322.1M	-$311.5M	-$213.5M
YoY Change
Total Liabilities & Shareholders Equity	$1.601B	$1.612B	$1.699B
YoY Change	-5.77%	-5.14%	7.7%

Cashflow Statement

Concept	2018 Q4	2018	2017 Q4
OPERATING ACTIVITIES
Net Income	-$87.87M	-$130.0M	$222.7M
YoY Change	-139.46%	-153.93%	2347.44%
Depreciation, Depletion And Amortization	$11.00M	$27.11M	$10.60M
YoY Change	3.77%	13.56%	-14.52%
Cash From Operating Activities	$40.70M	$17.28M	$49.70M
YoY Change	-18.11%	-75.93%	23.63%
INVESTING ACTIVITIES
Capital Expenditures	$5.100M	$20.26M	$4.700M
YoY Change	8.51%	-38.52%	-51.55%
Acquisitions		$32.71M
YoY Change
Other Investing Activities	$2.900M	-$464.0K	$3.300M
YoY Change	-12.12%	-120.82%	-466.67%
Cash From Investing Activities	-$2.000M	-$50.43M	-$1.400M
YoY Change	42.86%	141.48%	-86.67%
FINANCING ACTIVITIES
Cash Dividend Paid		$196.0K
YoY Change		-30.99%
Common Stock Issuance & Retirement, Net		$776.0K
YoY Change		-55.86%
Debt Paid & Issued, Net		$0.00
YoY Change		-100.0%
Cash From Financing Activities	-37.70M	$21.43M	-20.90M
YoY Change	80.38%	-165.75%	-14.34%
NET CHANGE
Cash From Operating Activities	40.70M	$17.28M	49.70M
Cash From Investing Activities	-2.000M	-$50.43M	-1.400M
Cash From Financing Activities	-37.70M	$21.43M	-20.90M
Net Change In Cash	1.000M	-$19.94M	27.40M
YoY Change	-96.35%	-213.61%	416.98%
FREE CASH FLOW
Cash From Operating Activities	$40.70M	$17.28M	$49.70M
Capital Expenditures	$5.100M	$20.26M	$4.700M
Free Cash Flow	$35.60M	-$2.984M	$45.00M
YoY Change	-20.89%	-107.69%	47.54%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due In Five Years OperatingLeasesFutureMinimumPaymentsDueInFiveYears	38348000	USD
CY2018	dei	Amendment Flag AmendmentFlag	false
CY2018	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2018	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2018	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2018
CY2018	dei	Document Period End Date DocumentPeriodEndDate	2018-12-31
CY2018	dei	Document Type DocumentType	10-K
CY2018	dei	Entity Central Index Key EntityCentralIndexKey	0000876883
CY2018	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2018	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2018	dei	Entity Filer Category EntityFilerCategory	Accelerated Filer
CY2018Q2	dei	Entity Public Float EntityPublicFloat	0	USD
CY2018Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Year Four DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour	1912000	USD
CY2018Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Year Three DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree	1848000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due In Four Years OperatingLeasesFutureMinimumPaymentsDueInFourYears	40387000	USD
CY2018	dei	Entity Registrant Name EntityRegistrantName	MDC PARTNERS INC
CY2018	dei	Entity Shell Company EntityShellCompany	false
CY2018	dei	Entity Small Business EntitySmallBusiness	false
CY2018	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2018	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2018	dei	Trading Symbol TradingSymbol	MDCA
CY2016	mdca	Accretionon Convertible Preferred Shares AccretiononConvertiblePreferredShares	0	USD
CY2017	mdca	Accretionon Convertible Preferred Shares AccretiononConvertiblePreferredShares	6352000	USD
CY2018	mdca	Accretionon Convertible Preferred Shares AccretiononConvertiblePreferredShares	-8355000	USD
CY2016Q4	mdca	Accrued And Other Liabilities Attributable To Noncontrolling Interest AccruedAndOtherLiabilitiesAttributableToNoncontrollingInterest	4154000	USD
CY2017Q4	mdca	Accrued And Other Liabilities Attributable To Noncontrolling Interest AccruedAndOtherLiabilitiesAttributableToNoncontrollingInterest	11030000	USD
CY2018Q4	mdca	Accrued And Other Liabilities Attributable To Noncontrolling Interest AccruedAndOtherLiabilitiesAttributableToNoncontrollingInterest	9278000	USD
CY2017	mdca	Adjustments To Additional Paid In Capital Transfer Charge In Excess Of Capital AdjustmentsToAdditionalPaidInCapitalTransferChargeInExcessOfCapital	6960000	USD
CY2017	mdca	Adjustments To Noncontrolling Interest AdjustmentsToNoncontrollingInterest	366000	USD
CY2018	mdca	Adjustments To Noncontrolling Interest AdjustmentsToNoncontrollingInterest	-118000	USD
CY2017	mdca	Adjustmentstodeferredacquisitionconsiderationincludedinsharebasedcompensation Adjustmentstodeferredacquisitionconsiderationincludedinsharebasedcompensation	9294000	USD
CY2018	mdca	Adjustmentstodeferredacquisitionconsiderationincludedinsharebasedcompensation Adjustmentstodeferredacquisitionconsiderationincludedinsharebasedcompensation	7191000	USD
CY2016	mdca	Adjustmentto Net Income Allocatedto Convertible Shares AdjustmenttoNetIncomeAllocatedtoConvertibleShares	0	USD
CY2017	mdca	Adjustmentto Net Income Allocatedto Convertible Shares AdjustmenttoNetIncomeAllocatedtoConvertibleShares	106000	USD
CY2018	mdca	Adjustmentto Net Income Allocatedto Convertible Shares AdjustmenttoNetIncomeAllocatedtoConvertibleShares	0	USD
CY2016	mdca	Amortization Of Intangible Assets Finite Lived AmortizationOfIntangibleAssetsFiniteLived	21726000	USD
CY2017	mdca	Amortization Of Intangible Assets Finite Lived AmortizationOfIntangibleAssetsFiniteLived	17125000	USD
CY2016	mdca	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rage Effect Net Of Cash Classified Within Assets Held For Sale CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRageEffectNetOfCashClassifiedWithinAssetsHeldForSale	-33318000	USD
CY2017	mdca	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rage Effect Net Of Cash Classified Within Assets Held For Sale CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRageEffectNetOfCashClassifiedWithinAssetsHeldForSale	17549000	USD
CY2018	mdca	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rage Effect Net Of Cash Classified Within Assets Held For Sale CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRageEffectNetOfCashClassifiedWithinAssetsHeldForSale	-19938000	USD
CY2016Q4	mdca	Clientsexceedingconsolidatedaccountsreceivablepercentage Clientsexceedingconsolidatedaccountsreceivablepercentage	0	Clients
CY2017Q4	mdca	Clientsexceedingconsolidatedaccountsreceivablepercentage Clientsexceedingconsolidatedaccountsreceivablepercentage	0	Clients
CY2015	mdca	Clientsexceedingconsolidatedlargestclientrevenue Clientsexceedingconsolidatedlargestclientrevenue	0	Clients
CY2016	mdca	Clientsexceedingconsolidatedlargestclientrevenue Clientsexceedingconsolidatedlargestclientrevenue	0	Clients
CY2016Q4	mdca	Consolidated Accounts Receivable Percentage ConsolidatedAccountsReceivablePercentage	0.1
CY2018Q4	mdca	Consolidated Accounts Receivable Percentage ConsolidatedAccountsReceivablePercentage	0.1
CY2015	mdca	Consolidated Largest Client Revenue ConsolidatedLargestClientRevenue	0.1
CY2016	mdca	Consolidated Largest Client Revenue ConsolidatedLargestClientRevenue	0.1
CY2018	mdca	Consolidated Largest Client Revenue ConsolidatedLargestClientRevenue	0.10
CY2016	mdca	Current Year Positions Changesin Reserve CurrentYearPositionsChangesinReserve	0	USD
CY2017	mdca	Current Year Positions Changesin Reserve CurrentYearPositionsChangesinReserve	489000	USD
CY2018	mdca	Current Year Positions Changesin Reserve CurrentYearPositionsChangesinReserve	0	USD
CY2017Q4	mdca	Deferred Tax Assets Deferred Acquisition Consideration DeferredTaxAssetsDeferredAcquisitionConsideration	129455000	USD
CY2018Q4	mdca	Deferred Tax Assets Deferred Acquisition Consideration DeferredTaxAssetsDeferredAcquisitionConsideration	123504000	USD
CY2017Q4	mdca	Deferred Tax Assets Interest Deductions DeferredTaxAssetsInterestDeductions	2026000	USD
CY2018Q4	mdca	Deferred Tax Assets Interest Deductions DeferredTaxAssetsInterestDeductions	8911000	USD
CY2017Q4	mdca	Deferred Tax Assets Refinancing Charge DeferredTaxAssetsRefinancingCharge	5578000	USD
CY2018Q4	mdca	Deferred Tax Assets Refinancing Charge DeferredTaxAssetsRefinancingCharge	2926000	USD
CY2017Q4	mdca	Deferred Tax Liability Grossof Jurisdictional Netting DeferredTaxLiabilityGrossofJurisdictionalNetting	6760000	USD
CY2017Q4	mdca	Defined Benefit Plan Accumulated Other Comprehensive Income Net Settlementand Curtailmentgainlossnetoftax DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetSettlementandCurtailmentgainlossnetoftax	-13656000	USD
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CY2018	mdca	Income Lossfrom Continuing Operations Attributableto Parent Diluted IncomeLossfromContinuingOperationsAttributabletoParentDiluted	-132088000	USD
CY2018	mdca	Income Tax Expense Benefit Global Intangible Low Taxed Income IncomeTaxExpenseBenefitGlobalIntangibleLowTaxedIncome	710000	USD
CY2015Q4	mdca	Income Tax Reserve IncomeTaxReserve	3605000	USD
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CY2018	mdca	Defined Benefit Plan Amounts Recognizedin Other Comprehensive Income Loss Settlementand Curtailment Gain Loss Before Tax DefinedBenefitPlanAmountsRecognizedinOtherComprehensiveIncomeLossSettlementandCurtailmentGainLossBeforeTax	0	USD
CY2015	mdca	Earnings Per Share Increase Decrease Due To Non Controlling Dividend As A Result Of Redeemable Redemption Value In Excessof Fair Value EarningsPerShareIncreaseDecreaseDueToNonControllingDividendAsAResultOfRedeemableRedemptionValueInExcessofFairValue	0
CY2016	mdca	Earnings Per Share Increase Decrease Due To Non Controlling Dividend As A Result Of Redeemable Redemption Value In Excessof Fair Value EarningsPerShareIncreaseDecreaseDueToNonControllingDividendAsAResultOfRedeemableRedemptionValueInExcessofFairValue	0
CY2017Q4	mdca	Expenditures Billable Current ExpendituresBillableCurrent	31146000	USD
CY2018Q4	mdca	Expenditures Billable Current ExpendituresBillableCurrent	42369000	USD
CY2017	mdca	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Foreign Currency Translation Adjustment FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityForeignCurrencyTranslationAdjustment	1293000	USD
CY2018	mdca	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Foreign Currency Translation Adjustment FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityForeignCurrencyTranslationAdjustment	4000	USD
CY2018Q4	mdca	Future Principal Repayments Of Long Term Debt Including Capital Lease Obligations FuturePrincipalRepaymentsOfLongTermDebtIncludingCapitalLeaseObligations	968621000	USD
CY2018	mdca	Goodwill Transfers Held For Sale GoodwillTransfersHeldForSale	-45224000	USD
CY2016	mdca	Income Loss From Continuing Operations Before Equity In Earnings Of Nonconsolidated Affiliates IncomeLossFromContinuingOperationsBeforeEquityInEarningsOfNonconsolidatedAffiliates	-40312000	USD
CY2017	mdca	Income Loss From Continuing Operations Before Equity In Earnings Of Nonconsolidated Affiliates IncomeLossFromContinuingOperationsBeforeEquityInEarningsOfNonconsolidatedAffiliates	255142000	USD
CY2018	mdca	Income Loss From Continuing Operations Before Equity In Earnings Of Nonconsolidated Affiliates IncomeLossFromContinuingOperationsBeforeEquityInEarningsOfNonconsolidatedAffiliates	-112010000	USD
CY2016	mdca	Income Lossfrom Continuing Operations Attributableto Parent Basic IncomeLossfromContinuingOperationsAttributabletoParentBasic	-45839000	USD
CY2017	mdca	Income Lossfrom Continuing Operations Attributableto Parent Basic IncomeLossfromContinuingOperationsAttributabletoParentBasic	205594000	USD
CY2018	mdca	Income Lossfrom Continuing Operations Attributableto Parent Basic IncomeLossfromContinuingOperationsAttributabletoParentBasic	-132088000	USD
CY2016	mdca	Income Lossfrom Continuing Operations Attributableto Parent Diluted IncomeLossfromContinuingOperationsAttributabletoParentDiluted	-45839000	USD
CY2017	mdca	Income Lossfrom Continuing Operations Attributableto Parent Diluted IncomeLossfromContinuingOperationsAttributabletoParentDiluted	205700000	USD
CY2016Q4	mdca	Income Tax Reserve IncomeTaxReserve	1465000	USD
CY2017Q4	mdca	Income Tax Reserve IncomeTaxReserve	1433000	USD
CY2018Q4	mdca	Income Tax Reserve IncomeTaxReserve	887000	USD
CY2016	mdca	Increase Decrease In Accounts Payable Accrued Expenses And Other Liabilities IncreaseDecreaseInAccountsPayableAccruedExpensesAndOtherLiabilities	-110018000	USD
CY2017	mdca	Increase Decrease In Accounts Payable Accrued Expenses And Other Liabilities IncreaseDecreaseInAccountsPayableAccruedExpensesAndOtherLiabilities	13398000	USD
CY2018	mdca	Increase Decrease In Accounts Payable Accrued Expenses And Other Liabilities IncreaseDecreaseInAccountsPayableAccruedExpensesAndOtherLiabilities	-18222000	USD
CY2017	mdca	Increase Decreasein Redemption Valueof Redeemable Noncontrolling Interests IncreaseDecreaseinRedemptionValueofRedeemableNoncontrollingInterests	-1498000	USD
CY2018	mdca	Increase Decreasein Redemption Valueof Redeemable Noncontrolling Interests IncreaseDecreaseinRedemptionValueofRedeemableNoncontrollingInterests	-4171000	USD
CY2018Q4	mdca	Indefinite Loss Carry Forwards IndefiniteLossCarryForwards	122830000	USD
CY2016	mdca	Lapseofstatuteoflimitations Lapseofstatuteoflimitations	-632000	USD
CY2017	mdca	Lapseofstatuteoflimitations Lapseofstatuteoflimitations	-85000	USD
CY2018	mdca	Lapseofstatuteoflimitations Lapseofstatuteoflimitations	-239000	USD
CY2015	mdca	Leaseholdimprovementsfinancedbylandlord Leaseholdimprovementsfinancedbylandlord	7250000	USD
CY2016	mdca	Leaseholdimprovementsfinancedbylandlord Leaseholdimprovementsfinancedbylandlord	0	USD
CY2017	mdca	Leaseholdimprovementsfinancedbylandlord Leaseholdimprovementsfinancedbylandlord	0	USD
CY2017Q4	mdca	Long Term Growth Rate Assumedin Annual Goodwill Impairment Test LongTermGrowthRateAssumedinAnnualGoodwillImpairmentTest	0.03
CY2016	mdca	Loss On Redemption Of Notes LossOnRedemptionOfNotes	26873000	USD
CY2017	mdca	Loss On Redemption Of Notes LossOnRedemptionOfNotes	0	USD
CY2018	mdca	Loss On Redemption Of Notes LossOnRedemptionOfNotes	0	USD
CY2017Q4	mdca	Net Deferred Tax Asset Grossof Jurisdictional Netting NetDeferredTaxAssetGrossofJurisdictionalNetting	115325000	USD
CY2016	mdca	Net Income Allocatedto Convertible Shares NetIncomeAllocatedtoConvertibleShares	0	USD
CY2018	mdca	Net Income Allocatedto Convertible Shares NetIncomeAllocatedtoConvertibleShares	0	USD
CY2016	mdca	Net Income Loss Including Transfers From Non Controlling Interest NetIncomeLossIncludingTransfersFromNonControllingInterest	-23063000	USD
CY2017	mdca	Net Income Loss Including Transfers From Non Controlling Interest NetIncomeLossIncludingTransfersFromNonControllingInterest	244163000	USD
CY2018	mdca	Net Income Loss Including Transfers From Non Controlling Interest NetIncomeLossIncludingTransfersFromNonControllingInterest	-113593000	USD
CY2015	mdca	Notes Receivableinexchangeforsharesofsubsidiary NotesReceivableinexchangeforsharesofsubsidiary	0	USD
CY2016	mdca	Notes Receivableinexchangeforsharesofsubsidiary NotesReceivableinexchangeforsharesofsubsidiary	6139000	USD
CY2017	mdca	Notes Receivableinexchangeforsharesofsubsidiary NotesReceivableinexchangeforsharesofsubsidiary	0	USD
CY2017	mdca	Operating Loss Carryforwards Expiration Period OperatingLossCarryforwardsExpirationPeriod	2017 through 2032
CY2017Q4	mdca	Outstanding Checks OutstandingChecks	41989000	USD
CY2018Q4	mdca	Outstanding Checks OutstandingChecks	40271000	USD
CY2016	mdca	Payments For Proceeds From Cash In Trust PaymentsForProceedsFromCashInTrust	-219000	USD
CY2017	mdca	Payments For Proceeds From Cash In Trust PaymentsForProceedsFromCashInTrust	709000	USD
CY2018	mdca	Payments For Proceeds From Cash In Trust PaymentsForProceedsFromCashInTrust	656000	USD
CY2016	mdca	Premium Paid On Redemption Of Notes PremiumPaidOnRedemptionOfNotes	26873000	USD
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CY2018	mdca	Premium Paid On Redemption Of Notes PremiumPaidOnRedemptionOfNotes	0	USD
CY2016	mdca	Prior Period Positions Changesin Reserve PriorPeriodPositionsChangesinReserve	-134000	USD
CY2017	mdca	Prior Period Positions Changesin Reserve PriorPeriodPositionsChangesinReserve	-436000	USD
CY2018	mdca	Prior Period Positions Changesin Reserve PriorPeriodPositionsChangesinReserve	7000	USD
CY2017	mdca	Redeemable Noncontrolling Interest Currency Adjustments RedeemableNoncontrollingInterestCurrencyAdjustments	452000	USD
CY2018	mdca	Redeemable Noncontrolling Interest Currency Adjustments RedeemableNoncontrollingInterestCurrencyAdjustments	-464000	USD
CY2017	mdca	Redeemablenoncontrollinginterestchangesinredemptionvalue Redeemablenoncontrollinginterestchangesinredemptionvalue	1498000	USD
CY2018	mdca	Redeemablenoncontrollinginterestchangesinredemptionvalue Redeemablenoncontrollinginterestchangesinredemptionvalue	1067000	USD
CY2017	mdca	Redeemablenoncontrollinginterestredemptionsvalue Redeemablenoncontrollinginterestredemptionsvalue	-910000	USD
CY2018	mdca	Redeemablenoncontrollinginterestredemptionsvalue Redeemablenoncontrollinginterestredemptionsvalue	-11943000	USD
CY2016	mdca	Settlement Of Uncertainty SettlementOfUncertainty	-1374000	USD
CY2017	mdca	Settlement Of Uncertainty SettlementOfUncertainty	0	USD
CY2018	mdca	Settlement Of Uncertainty SettlementOfUncertainty	-314000	USD
CY2017	mdca	Stock Authorized During Period Value Tobe Issued StockAuthorizedDuringPeriodValueTobeIssued	27852000	USD
CY2018	mdca	Stock Issued During Period Value Convertible Preferred Shares StockIssuedDuringPeriodValueConvertiblePreferredShares	-97000	USD
CY2017	mdca	Tax Cutsand Jobs Actof2017 Changein Tax Rate Deferred Tax Asset Income Tax Expense Benefit TaxCutsandJobsActof2017ChangeinTaxRateDeferredTaxAssetIncomeTaxExpenseBenefit	26674000	USD
CY2016	mdca	Tax Cutsand Jobs Actof2017 Income Tax Expense Benefit TaxCutsandJobsActof2017IncomeTaxExpenseBenefit	0	USD
CY2017	mdca	Tax Cutsand Jobs Actof2017 Income Tax Expense Benefit TaxCutsandJobsActof2017IncomeTaxExpenseBenefit	-100472000	USD
CY2018	mdca	Tax Cutsand Jobs Actof2017 Income Tax Expense Benefit TaxCutsandJobsActof2017IncomeTaxExpenseBenefit	0	USD
CY2017Q4	mdca	Trust Liability Current TrustLiabilityCurrent	4632000	USD
CY2018Q4	mdca	Trust Liability Current TrustLiabilityCurrent	0	USD
CY2017Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	244527000	USD
CY2018Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	221995000	USD
CY2017Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	434072000	USD
CY2018Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	395200000	USD
CY2017Q4	us-gaap	Accrued Liabilities And Other Liabilities AccruedLiabilitiesAndOtherLiabilities	327812000	USD
CY2018Q4	us-gaap	Accrued Liabilities And Other Liabilities AccruedLiabilitiesAndOtherLiabilities	312785000	USD
CY2017Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	123599000	USD
CY2018Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	128546000	USD
CY2016Q4	us-gaap	Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Net Of Tax AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax	-12320000	USD
CY2017Q4	us-gaap	Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Net Of Tax AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax	-13656000	USD
CY2018Q4	us-gaap	Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Net Of Tax AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax	-13101000	USD
CY2016Q4	us-gaap	Accumulated Other Comprehensive Income Loss Foreign Currency Translation Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax	10496000	USD
CY2017Q4	us-gaap	Accumulated Other Comprehensive Income Loss Foreign Currency Translation Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax	11702000	USD
CY2018Q4	us-gaap	Accumulated Other Comprehensive Income Loss Foreign Currency Translation Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax	17821000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due In Three Years OperatingLeasesFutureMinimumPaymentsDueInThreeYears	45974000	USD
CY2018Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	4720000	USD
CY2018	us-gaap	Acquired Finite Lived Intangible Assets Weighted Average Useful Life AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife	P7Y
CY2017	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	0	shares
CY2016Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-1824000	USD
CY2017Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-1954000	USD
CY2016	us-gaap	Adjustments To Additional Paid In Capital Dividends In Excess Of Retained Earnings AdjustmentsToAdditionalPaidInCapitalDividendsInExcessOfRetainedEarnings	32747000	USD
CY2017	us-gaap	Adjustments To Additional Paid In Capital Dividends In Excess Of Retained Earnings AdjustmentsToAdditionalPaidInCapitalDividendsInExcessOfRetainedEarnings	9650000	USD
CY2017	us-gaap	Adjustments To Additional Paid In Capital Other AdjustmentsToAdditionalPaidInCapitalOther	343000	USD
CY2016	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	10662000	USD
CY2018	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	8165000	USD
CY2016	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	5808000	USD
CY2017	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	5335000	USD
CY2018	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	5892000	USD
CY2017Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	2453000	USD
CY2018Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	1879000	USD
CY2016	us-gaap	Amortization Of Debt Discount Premium AmortizationOfDebtDiscountPremium	-312000	USD
CY2016	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	3022000	USD
CY2017	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	3022000	USD
CY2018	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	3193000	USD
CY2016	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	9135000	USD
CY2017	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	3022000	USD
CY2018	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	3193000	USD
CY2016	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	24153000	USD
CY2017	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	19601000	USD
CY2018	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	19085000	USD
CY2016	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	1391456	shares
CY2018	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	1442518	shares
CY2016	us-gaap	Asset Impairment Charges AssetImpairmentCharges	48524000	USD
CY2017	us-gaap	Asset Impairment Charges AssetImpairmentCharges	4415000	USD
CY2018Q4	us-gaap	Asset Impairment Charges AssetImpairmentCharges	56732000	USD
CY2018	us-gaap	Asset Impairment Charges AssetImpairmentCharges	80057000	USD
CY2017Q4	us-gaap	Assets Assets	1698892000	USD
CY2018Q4	us-gaap	Assets Assets	1611573000	USD
CY2017Q4	us-gaap	Assets Current AssetsCurrent	542771000	USD
CY2018Q4	us-gaap	Assets Current AssetsCurrent	589854000	USD
CY2017Q4	us-gaap	Assets Held For Sale Not Part Of Disposal Group Current AssetsHeldForSaleNotPartOfDisposalGroupCurrent	0	USD
CY2018Q4	us-gaap	Assets Held For Sale Not Part Of Disposal Group Current AssetsHeldForSaleNotPartOfDisposalGroupCurrent	78913000	USD
CY2017Q4	us-gaap	Assets Held In Trust Current AssetsHeldInTrustCurrent	4632000	USD
CY2018Q4	us-gaap	Assets Held In Trust Current AssetsHeldInTrustCurrent	0	USD
CY2016	us-gaap	Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Liability1 BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1	8227000	USD
CY2017	us-gaap	Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Liability1 BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1	-4819000	USD
CY2018	us-gaap	Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Liability1 BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1	-374000	USD
CY2017Q4	us-gaap	Business Combination Contingent Consideration Liability BusinessCombinationContingentConsiderationLiability	122426000	USD
CY2018Q4	us-gaap	Business Combination Contingent Consideration Liability BusinessCombinationContingentConsiderationLiability	83695000	USD
CY2017Q4	us-gaap	Business Combination Contingent Consideration Liability Current BusinessCombinationContingentConsiderationLiabilityCurrent	50213000	USD
CY2018Q4	us-gaap	Business Combination Contingent Consideration Liability Current BusinessCombinationContingentConsiderationLiabilityCurrent	32928000	USD
CY2017Q4	us-gaap	Business Combination Contingent Consideration Liability Noncurrent BusinessCombinationContingentConsiderationLiabilityNoncurrent	72213000	USD
CY2018Q4	us-gaap	Business Combination Contingent Consideration Liability Noncurrent BusinessCombinationContingentConsiderationLiabilityNoncurrent	50767000	USD
CY2017Q4	us-gaap	Capital Lease Obligations CapitalLeaseObligations	706000	USD
CY2018Q4	us-gaap	Capital Lease Obligations CapitalLeaseObligations	478000	USD
CY2017Q4	us-gaap	Capital Lease Obligations Current CapitalLeaseObligationsCurrent	313000	USD
CY2018Q4	us-gaap	Capital Lease Obligations Current CapitalLeaseObligationsCurrent	356000	USD
CY2016	us-gaap	Capital Lease Obligations Incurred CapitalLeaseObligationsIncurred	265000	USD
CY2017	us-gaap	Capital Lease Obligations Incurred CapitalLeaseObligationsIncurred	670000	USD
CY2018	us-gaap	Capital Lease Obligations Incurred CapitalLeaseObligationsIncurred	95000	USD
CY2017Q4	us-gaap	Capital Lease Obligations Noncurrent CapitalLeaseObligationsNoncurrent	393000	USD
CY2018Q4	us-gaap	Capital Lease Obligations Noncurrent CapitalLeaseObligationsNoncurrent	122000	USD
CY2018Q4	us-gaap	Capital Leases Future Minimum Payments Due CapitalLeasesFutureMinimumPaymentsDue	80000	USD
CY2018Q4	us-gaap	Capital Leases Future Minimum Payments Due Current CapitalLeasesFutureMinimumPaymentsDueCurrent	356000	USD
CY2018Q4	us-gaap	Capital Leases Future Minimum Payments Due In Five Years CapitalLeasesFutureMinimumPaymentsDueInFiveYears	0	USD
CY2018Q4	us-gaap	Capital Leases Future Minimum Payments Due In Four Years CapitalLeasesFutureMinimumPaymentsDueInFourYears	0	USD
CY2018Q4	us-gaap	Capital Leases Future Minimum Payments Due In Three Years CapitalLeasesFutureMinimumPaymentsDueInThreeYears	21000	USD
CY2018Q4	us-gaap	Capital Leases Future Minimum Payments Due In Two Years CapitalLeasesFutureMinimumPaymentsDueInTwoYears	101000	USD
CY2018Q4	us-gaap	Capital Leases Future Minimum Payments Due Thereafter CapitalLeasesFutureMinimumPaymentsDueThereafter	0	USD
CY2018Q4	us-gaap	Capital Leases Future Minimum Payments Interest Included In Payments CapitalLeasesFutureMinimumPaymentsInterestIncludedInPayments	42000	USD
CY2018Q4	us-gaap	Capital Leases Future Minimum Payments Net Minimum Payments1 CapitalLeasesFutureMinimumPaymentsNetMinimumPayments1	478000	USD
CY2018Q4	us-gaap	Capital Leases Future Minimum Payments Present Value Of Net Minimum Payments CapitalLeasesFutureMinimumPaymentsPresentValueOfNetMinimumPayments	436000	USD
CY2017Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	46179000	USD
CY2018Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	30873000	USD
CY2015Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	66580000	USD
CY2016Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	33262000	USD
CY2017Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	50811000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	30873000	USD
CY2016	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-33318000	USD
CY2017	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	17549000	USD
CY2018	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-11640000	USD
CY2017Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2018Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2017Q4	us-gaap	Common Stocks Including Additional Paid In Capital CommonStocksIncludingAdditionalPaidInCapital	38191000	USD
CY2018Q4	us-gaap	Common Stocks Including Additional Paid In Capital CommonStocksIncludingAdditionalPaidInCapital	58579000	USD
CY2016	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-53920000	USD
CY2017	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	241718000	USD
CY2018	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-117059000	USD
CY2016	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	5612000	USD
CY2017	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	17780000	USD
CY2018	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	8824000	USD
CY2016	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	-48308000	USD
CY2017	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	259498000	USD
CY2018	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	-108235000	USD
CY2017Q4	us-gaap	Cost Method Investments CostMethodInvestments	9527000	USD
CY2018Q4	us-gaap	Cost Method Investments CostMethodInvestments	8072000	USD
CY2018	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	8030000	USD
CY2017Q4	us-gaap	Customer Advances Current CustomerAdvancesCurrent	148133000	USD
CY2018Q4	us-gaap	Customer Advances Current CustomerAdvancesCurrent	138505000	USD
CY2017Q4	us-gaap	Debt And Capital Lease Obligations DebtAndCapitalLeaseObligations	883119000	USD
CY2018Q4	us-gaap	Debt And Capital Lease Obligations DebtAndCapitalLeaseObligations	954585000	USD
CY2017Q4	us-gaap	Debt Longterm And Shortterm Combined Amount DebtLongtermAndShorttermCombinedAmount	882413000	USD
CY2018Q4	us-gaap	Debt Longterm And Shortterm Combined Amount DebtLongtermAndShorttermCombinedAmount	954107000	USD
CY2017Q4	us-gaap	Deferred Finance Costs Net DeferredFinanceCostsNet	17587000	USD
CY2018Q4	us-gaap	Deferred Finance Costs Net DeferredFinanceCostsNet	14036000	USD
CY2016	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	936133000	USD
CY2017Q1	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	237563000	USD
CY2017Q2	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	267822000	USD
CY2017Q3	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	249418000	USD
CY2017Q4	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	268673000	USD
CY2017	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	1023476000	USD
CY2018Q1	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	243030000	USD
CY2018Q2	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	253390000	USD
CY2018Q3	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	238690000	USD
CY2018Q4	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	256088000	USD
CY2018	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	991198000	USD
CY2016	us-gaap	Costs And Expenses CostsAndExpenses	1337354000	USD
CY2017	us-gaap	Costs And Expenses CostsAndExpenses	1381820000	USD
CY2018	us-gaap	Costs And Expenses CostsAndExpenses	1466507000	USD
CY2016	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	634000	USD
CY2017	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	4955000	USD
CY2016	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-10038000	USD
CY2017	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-173019000	USD
CY2018	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	23573000	USD
CY2017Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	89727000	USD
CY2018Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	91726000	USD
CY2016	us-gaap	Deferred Other Tax Expense Benefit DeferredOtherTaxExpenseBenefit	0	USD
CY2017	us-gaap	Deferred Other Tax Expense Benefit DeferredOtherTaxExpenseBenefit	0	USD
CY2018	us-gaap	Deferred Other Tax Expense Benefit DeferredOtherTaxExpenseBenefit	-8865000	USD
CY2018	us-gaap	Deferred Revenue Additions DeferredRevenueAdditions	9628000	USD
CY2018	us-gaap	Deferred Revenue Revenue Recognized1 DeferredRevenueRevenueRecognized1	135573000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Capital Loss Carryforwards DeferredTaxAssetsCapitalLossCarryforwards	11450000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Capital Loss Carryforwards DeferredTaxAssetsCapitalLossCarryforwards	11827000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	217324000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	247617000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	108565000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	87412000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	198292000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	179138000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Net Noncurrent DeferredTaxAssetsNetNoncurrent	115325000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Net Noncurrent DeferredTaxAssetsNetNoncurrent	92741000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	49318000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	70646000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Property Plant And Equipment DeferredTaxAssetsPropertyPlantAndEquipment	5059000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Property Plant And Equipment DeferredTaxAssetsPropertyPlantAndEquipment	905000	USD
CY2018	us-gaap	Defined Benefit Plan Actual Return On Plan Assets DefinedBenefitPlanActualReturnOnPlanAssets	-2093000	USD
CY2017	us-gaap	Defined Benefit Plan Actuarial Gain Loss DefinedBenefitPlanActuarialGainLoss	-3088000	USD
CY2018	us-gaap	Defined Benefit Plan Actuarial Gain Loss DefinedBenefitPlanActuarialGainLoss	3522000	USD
CY2016	us-gaap	Defined Benefit Plan Amortization Of Gains Losses DefinedBenefitPlanAmortizationOfGainsLosses	-137000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Pensions DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPensions	4165000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Pensions DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPensions	3872000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	1208000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	2101000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Reserves DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsReserves	412000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Reserves DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsReserves	8280000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Unrealized Currency Losses DeferredTaxAssetsUnrealizedCurrencyLosses	8653000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Unrealized Currency Losses DeferredTaxAssetsUnrealizedCurrencyLosses	14645000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	19032000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	68479000	USD
CY2017Q4	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssets	89727000	USD
CY2018Q4	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssets	91726000	USD
CY2017Q4	us-gaap	Deferred Tax Liabilities Noncurrent DeferredTaxLiabilitiesNoncurrent	6760000	USD
CY2018Q4	us-gaap	Deferred Tax Liabilities Noncurrent DeferredTaxLiabilitiesNoncurrent	5329000	USD
CY2017Q4	us-gaap	Defined Benefit Plan Accumulated Other Comprehensive Income Net Gains Losses After Tax DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesAfterTax	13656000	USD
CY2018Q4	us-gaap	Defined Benefit Plan Accumulated Other Comprehensive Income Net Gains Losses After Tax DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesAfterTax	12878000	USD
CY2017	us-gaap	Defined Benefit Plan Actual Return On Plan Assets DefinedBenefitPlanActualReturnOnPlanAssets	3360000	USD
CY2017	us-gaap	Defined Benefit Plan Amortization Of Gains Losses DefinedBenefitPlanAmortizationOfGainsLosses	-222000	USD
CY2018	us-gaap	Defined Benefit Plan Amortization Of Gains Losses DefinedBenefitPlanAmortizationOfGainsLosses	-258000	USD
CY2017Q4	us-gaap	Defined Benefit Plan Amounts Recognized In Balance Sheet DefinedBenefitPlanAmountsRecognizedInBalanceSheet	15773000	USD
CY2018Q4	us-gaap	Defined Benefit Plan Amounts Recognized In Balance Sheet DefinedBenefitPlanAmountsRecognizedInBalanceSheet	14757000	USD
CY2017	us-gaap	Defined Benefit Plan Amounts Recognized In Other Comprehensive Income Loss Net Gain Loss Before Tax DefinedBenefitPlanAmountsRecognizedInOtherComprehensiveIncomeLossNetGainLossBeforeTax	-1558000	USD
CY2018	us-gaap	Defined Benefit Plan Amounts Recognized In Other Comprehensive Income Loss Net Gain Loss Before Tax DefinedBenefitPlanAmountsRecognizedInOtherComprehensiveIncomeLossNetGainLossBeforeTax	520000	USD
CY2017Q4	us-gaap	Defined Benefit Plan Assumptions Used Calculating Benefit Obligation Discount Rate DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate	0.0383
CY2018Q4	us-gaap	Defined Benefit Plan Assumptions Used Calculating Benefit Obligation Discount Rate DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate	0.0442
CY2016	us-gaap	Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Cost Discount Rate DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate	0.0469
CY2017	us-gaap	Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Cost Discount Rate DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate	0.0432
CY2018	us-gaap	Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Cost Discount Rate DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate	0.0383
CY2016	us-gaap	Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Cost Expected Long Term Return On Assets DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets	0.074
CY2017	us-gaap	Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Cost Expected Long Term Return On Assets DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets	0.074
CY2018	us-gaap	Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Cost Expected Long Term Return On Assets DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets	0.07
CY2016Q4	us-gaap	Defined Benefit Plan Benefit Obligation DefinedBenefitPlanBenefitObligation	40722000	USD
CY2017Q4	us-gaap	Defined Benefit Plan Benefit Obligation DefinedBenefitPlanBenefitObligation	43750000	USD
CY2018Q4	us-gaap	Defined Benefit Plan Benefit Obligation DefinedBenefitPlanBenefitObligation	37938000	USD
CY2017	us-gaap	Defined Benefit Plan Benefit Obligation Benefits Paid DefinedBenefitPlanBenefitObligationBenefitsPaid	1785000	USD
CY2018	us-gaap	Defined Benefit Plan Benefit Obligation Benefits Paid DefinedBenefitPlanBenefitObligationBenefitsPaid	3931000	USD
CY2017	us-gaap	Defined Benefit Plan Contributions By Employer DefinedBenefitPlanContributionsByEmployer	1920000	USD
CY2018	us-gaap	Defined Benefit Plan Contributions By Employer DefinedBenefitPlanContributionsByEmployer	1228000	USD
CY2018Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Five Fiscal Years Thereafter DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter	11047000	USD
CY2018Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Next Twelve Months DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths	1690000	USD
CY2018Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Year Five DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive	2139000	USD
CY2017	us-gaap	Defined Benefit Plan Service Cost DefinedBenefitPlanServiceCost	0	USD
CY2018	us-gaap	Defined Benefit Plan Service Cost DefinedBenefitPlanServiceCost	0	USD
CY2017Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.21
CY2017Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.14
CY2018Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Year Two DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo	1857000	USD
CY2016	us-gaap	Defined Benefit Plan Expected Return On Plan Assets DefinedBenefitPlanExpectedReturnOnPlanAssets	1863000	USD
CY2017	us-gaap	Defined Benefit Plan Expected Return On Plan Assets DefinedBenefitPlanExpectedReturnOnPlanAssets	1830000	USD
CY2018	us-gaap	Defined Benefit Plan Expected Return On Plan Assets DefinedBenefitPlanExpectedReturnOnPlanAssets	1948000	USD
CY2016Q4	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	24482000	USD
CY2017Q4	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	27977000	USD
CY2018Q4	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	23181000	USD
CY2016	us-gaap	Defined Benefit Plan Interest Cost DefinedBenefitPlanInterestCost	1855000	USD
CY2017	us-gaap	Defined Benefit Plan Interest Cost DefinedBenefitPlanInterestCost	1725000	USD
CY2018	us-gaap	Defined Benefit Plan Interest Cost DefinedBenefitPlanInterestCost	1641000	USD
CY2016	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	1058000	USD
CY2017	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	117000	USD
CY2018	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	990000	USD
CY2017	us-gaap	Defined Benefit Plan Plan Assets Benefits Paid DefinedBenefitPlanPlanAssetsBenefitsPaid	1785000	USD
CY2018	us-gaap	Defined Benefit Plan Plan Assets Benefits Paid DefinedBenefitPlanPlanAssetsBenefitsPaid	3931000	USD
CY2018Q4	us-gaap	Defined Benefit Plan Plan Assets Target Allocation Percentage DefinedBenefitPlanPlanAssetsTargetAllocationPercentage	1
CY2016	us-gaap	Defined Benefit Plan Recognized Net Gain Loss Due To Settlements And Curtailments1 DefinedBenefitPlanRecognizedNetGainLossDueToSettlementsAndCurtailments1	-929000	USD
CY2017	us-gaap	Defined Benefit Plan Recognized Net Gain Loss Due To Settlements And Curtailments1 DefinedBenefitPlanRecognizedNetGainLossDueToSettlementsAndCurtailments1	0	USD
CY2018	us-gaap	Defined Benefit Plan Recognized Net Gain Loss Due To Settlements And Curtailments1 DefinedBenefitPlanRecognizedNetGainLossDueToSettlementsAndCurtailments1	-1039000	USD
CY2016	us-gaap	Defined Benefit Plan Service Cost DefinedBenefitPlanServiceCost	0	USD
CY2017Q4	us-gaap	Defined Benefit Plan Weighted Average Asset Allocations DefinedBenefitPlanWeightedAverageAssetAllocations	1.00
CY2018Q4	us-gaap	Defined Benefit Plan Weighted Average Asset Allocations DefinedBenefitPlanWeightedAverageAssetAllocations	1.00
CY2016	us-gaap	Depreciation Depreciation	22293000	USD
CY2017	us-gaap	Depreciation Depreciation	23873000	USD
CY2018	us-gaap	Depreciation Depreciation	27111000	USD
CY2016	us-gaap	Depreciation And Amortization DepreciationAndAmortization	46446000	USD
CY2017	us-gaap	Depreciation And Amortization DepreciationAndAmortization	43474000	USD
CY2018	us-gaap	Depreciation And Amortization DepreciationAndAmortization	46196000	USD
CY2016Q4	us-gaap	Dividends Payable Current And Noncurrent DividendsPayableCurrentAndNoncurrent	739000	USD
CY2017Q4	us-gaap	Dividends Payable Current And Noncurrent DividendsPayableCurrentAndNoncurrent	453000	USD
CY2018Q4	us-gaap	Dividends Payable Current And Noncurrent DividendsPayableCurrentAndNoncurrent	196000	USD
CY2016	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.89
CY2017Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.21
CY2017Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.14
CY2017Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.25
CY2017Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.33
CY2017	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.72
CY2018Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.56
CY2018Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.02
CY2018Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.32
CY2018Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-1.46
CY2018	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-2.31
CY2018	us-gaap	Earnings Per Share Basic And Diluted EarningsPerShareBasicAndDiluted	-2.31
CY2016	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.89
CY2017Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.24
CY2017Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.30
CY2017	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.71
CY2018Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.56
CY2018Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.02
CY2018Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.32
CY2018Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-1.46
CY2018	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-2.31
CY2016	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	2128000	USD
CY2017	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	-754000	USD
CY2018	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	77000	USD
CY2016	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.189
CY2017	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	-1.930
CY2018	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	-0.393
CY2016	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.350
CY2017	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.350
CY2018	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
CY2016	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	2030000	USD
CY2017	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	1401000	USD
CY2018	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	472000	USD
CY2016	us-gaap	Equity Method Investment Dividends Or Distributions EquityMethodInvestmentDividendsOrDistributions	7402000	USD
CY2017	us-gaap	Equity Method Investment Dividends Or Distributions EquityMethodInvestmentDividendsOrDistributions	3672000	USD
CY2018	us-gaap	Equity Method Investment Dividends Or Distributions EquityMethodInvestmentDividendsOrDistributions	963000	USD
CY2017Q4	us-gaap	Equity Method Investments EquityMethodInvestments	6307000	USD
CY2018Q4	us-gaap	Equity Method Investments EquityMethodInvestments	6556000	USD
CY2017	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Gain Loss Included In Earnings FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings	3273000	USD
CY2018	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Gain Loss Included In Earnings FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings	3512000	USD
CY2017	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Purchases FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPurchases	0	USD
CY2018	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Purchases FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPurchases	14943000	USD
CY2017	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements	-110234000	USD
CY2018	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements	-54947000	USD
CY2016Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Liability Value FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue	224754000	USD
CY2017Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Liability Value FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue	119086000	USD
CY2018Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Liability Value FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue	82598000	USD
CY2017Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	86773000	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	80934000	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	12257000	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	15421000	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	7666000	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	8220000	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	9601000	USD
CY2017Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	157378000	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	148699000	USD
CY2016	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	-213000	USD
CY2017Q4	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	-660000	USD
CY2017	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	18137000	USD
CY2018Q4	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	-13324000	USD
CY2018	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	-23258000	USD
CY2016	us-gaap	Foreign Currency Transaction Gain Loss Unrealized ForeignCurrencyTransactionGainLossUnrealized	8240000	USD
CY2017	us-gaap	Foreign Currency Transaction Gain Loss Unrealized ForeignCurrencyTransactionGainLossUnrealized	17637000	USD
CY2018	us-gaap	Payments For Proceeds From Previous Acquisition PaymentsForProceedsFromPreviousAcquisition	32172000	USD
CY2018	us-gaap	Foreign Currency Transaction Gain Loss Unrealized ForeignCurrencyTransactionGainLossUnrealized	-20795000	USD
CY2016	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	424000	USD
CY2017	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	1600000	USD
CY2018	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	1867000	USD
CY2016	us-gaap	Gain Loss On Repurchase Of Debt Instrument GainLossOnRepurchaseOfDebtInstrument	-33298000	USD
CY2017	us-gaap	Gain Loss On Repurchase Of Debt Instrument GainLossOnRepurchaseOfDebtInstrument	0	USD
CY2018	us-gaap	Gain Loss On Repurchase Of Debt Instrument GainLossOnRepurchaseOfDebtInstrument	0	USD
CY2016	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	306251000	USD
CY2017	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	310455000	USD
CY2018	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	349056000	USD
CY2016Q4	us-gaap	Goodwill Goodwill	844759000	USD
CY2017Q4	us-gaap	Goodwill Goodwill	835935000	USD
CY2018Q4	us-gaap	Goodwill Goodwill	740955000	USD
CY2017	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	0	USD
CY2018	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	37592000	USD
CY2017	us-gaap	Goodwill Foreign Currency Translation Gain Loss GoodwillForeignCurrencyTranslationGainLoss	12007000	USD
CY2018	us-gaap	Goodwill Foreign Currency Translation Gain Loss GoodwillForeignCurrencyTranslationGainLoss	-12788000	USD
CY2018Q4	us-gaap	Goodwill Impaired Accumulated Impairment Loss GoodwillImpairedAccumulatedImpairmentLoss	173205000	USD
CY2017	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	3238000	USD
CY2018	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	74560000	USD
CY2017	us-gaap	Goodwill Transfers GoodwillTransfers	0	USD
CY2018	us-gaap	Goodwill Transfers GoodwillTransfers	0	USD
CY2017	us-gaap	Goodwill Written Off Related To Sale Of Business Unit GoodwillWrittenOffRelatedToSaleOfBusinessUnit	17593000	USD
CY2016	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	-45839000	USD
CY2016	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	-49716000	USD
CY2017	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	87078000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	-80407000	USD
CY2016	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	-40621000	USD
CY2017Q1	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	-9683000	USD
CY2017Q2	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	13467000	USD
CY2017Q3	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	21984000	USD
CY2017Q4	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	231455000	USD
CY2017	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	257223000	USD
CY2018Q1	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	-28519000	USD
CY2018Q2	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	5951000	USD
CY2018Q3	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	-13667000	USD
CY2018Q4	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	-75713000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	-111948000	USD
CY2016	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	-0.89
CY2017	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	3.72
CY2018	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	-2.31
CY2016	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	-0.89
CY2017	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	3.71
CY2018	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	-2.31
CY2016	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-309000	USD
CY2017	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	2081000	USD
CY2018	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	62000	USD
CY2016	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-9404000	USD
CY2017	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-168064000	USD
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	31603000	USD
CY2017Q4	us-gaap	Income Tax Receivable IncomeTaxReceivable	4582000	USD
CY2018Q4	us-gaap	Income Tax Receivable IncomeTaxReceivable	4388000	USD
CY2016	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	6605000	USD
CY2017	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	-103212000	USD
CY2018	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	49482000	USD
CY2016	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	-353000	USD
CY2017	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	-2939000	USD
CY2018	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	-152000	USD
CY2016	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	-17401000	USD
CY2017	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	30477000	USD
CY2018	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	-16886000	USD
CY2016	us-gaap	Income Tax Reconciliation Minority Interest Income Expense IncomeTaxReconciliationMinorityInterestIncomeExpense	1287000	USD
CY2017	us-gaap	Income Tax Reconciliation Minority Interest Income Expense IncomeTaxReconciliationMinorityInterestIncomeExpense	4413000	USD
CY2018	us-gaap	Income Tax Reconciliation Minority Interest Income Expense IncomeTaxReconciliationMinorityInterestIncomeExpense	2674000	USD
CY2016	us-gaap	Income Tax Reconciliation Nondeductible Expense Other IncomeTaxReconciliationNondeductibleExpenseOther	1848000	USD
CY2017	us-gaap	Income Tax Reconciliation Nondeductible Expense Other IncomeTaxReconciliationNondeductibleExpenseOther	-220000	USD
CY2018	us-gaap	Income Tax Reconciliation Nondeductible Expense Other IncomeTaxReconciliationNondeductibleExpenseOther	10091000	USD
CY2016	us-gaap	Income Tax Reconciliation Nondeductible Expense Share Based Compensation Cost IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost	1123000	USD
CY2017	us-gaap	Income Tax Reconciliation Nondeductible Expense Share Based Compensation Cost IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost	1441000	USD
CY2018	us-gaap	Income Tax Reconciliation Nondeductible Expense Share Based Compensation Cost IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost	1512000	USD
CY2016	us-gaap	Income Tax Reconciliation Other Reconciling Items IncomeTaxReconciliationOtherReconcilingItems	155000	USD
CY2017	us-gaap	Income Tax Reconciliation Other Reconciling Items IncomeTaxReconciliationOtherReconcilingItems	4864000	USD
CY2018	us-gaap	Income Tax Reconciliation Other Reconciling Items IncomeTaxReconciliationOtherReconcilingItems	372000	USD
CY2016	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	-94000	USD
CY2017	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	8863000	USD
CY2018	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	-2988000	USD
CY2016	us-gaap	Income Tax Reconciliation Tax Credits Foreign IncomeTaxReconciliationTaxCreditsForeign	0	USD
CY2017	us-gaap	Income Tax Reconciliation Tax Credits Foreign IncomeTaxReconciliationTaxCreditsForeign	2453000	USD
CY2018	us-gaap	Income Tax Reconciliation Tax Credits Foreign IncomeTaxReconciliationTaxCreditsForeign	-1711000	USD
CY2016	us-gaap	Income Taxes Paid IncomeTaxesPaid	2895000	USD
CY2017	us-gaap	Income Taxes Paid IncomeTaxesPaid	8099000	USD
CY2018	us-gaap	Income Taxes Paid IncomeTaxesPaid	3836000	USD
CY2016	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	16752000	USD
CY2017	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	50030000	USD
CY2018	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-30211000	USD
CY2016	us-gaap	Increase Decrease In Deferred Revenue IncreaseDecreaseInDeferredRevenue	11397000	USD
CY2017	us-gaap	Increase Decrease In Deferred Revenue IncreaseDecreaseInDeferredRevenue	14548000	USD
CY2018	us-gaap	Increase Decrease In Deferred Revenue IncreaseDecreaseInDeferredRevenue	-14871000	USD
CY2016	us-gaap	Increase Decrease In Deposit Other Assets IncreaseDecreaseInDepositOtherAssets	2528000	USD
CY2017	us-gaap	Increase Decrease In Deposit Other Assets IncreaseDecreaseInDepositOtherAssets	0	USD
CY2018	us-gaap	Increase Decrease In Deposit Other Assets IncreaseDecreaseInDepositOtherAssets	0	USD
CY2016	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-13048000	USD
CY2016	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	3350000	USD
CY2017	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-1892000	USD
CY2018	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	11223000	USD
CY2016	us-gaap	Increase Decrease In Other Noncurrent Assets And Liabilities Net IncreaseDecreaseInOtherNoncurrentAssetsAndLiabilitiesNet	-13527000	USD
CY2016	us-gaap	Interest Paid InterestPaid	64671000	USD
CY2018Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	67765000	USD
CY2017Q4	us-gaap	Intangible Assets Net Including Goodwill IntangibleAssetsNetIncludingGoodwill	906540000	USD
CY2018Q4	us-gaap	Intangible Assets Net Including Goodwill IntangibleAssetsNetIncludingGoodwill	808720000	USD
CY2016	us-gaap	Interest Expense Debt InterestExpenseDebt	56468000	USD
CY2017	us-gaap	Interest Expense Debt InterestExpenseDebt	62001000	USD
CY2018	us-gaap	Interest Expense Debt InterestExpenseDebt	64420000	USD
CY2016	us-gaap	Interest Expense Other InterestExpenseOther	65050000	USD
CY2017	us-gaap	Interest Expense Other InterestExpenseOther	64364000	USD
CY2018	us-gaap	Interest Expense Other InterestExpenseOther	67075000	USD
CY2017	us-gaap	Increase Decrease In Other Noncurrent Assets And Liabilities Net IncreaseDecreaseInOtherNoncurrentAssetsAndLiabilitiesNet	4420000	USD
CY2018	us-gaap	Increase Decrease In Other Noncurrent Assets And Liabilities Net IncreaseDecreaseInOtherNoncurrentAssetsAndLiabilitiesNet	-392000	USD
CY2016	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	13608000	USD
CY2017	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-6569000	USD
CY2018	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	17189000	USD
CY2017Q4	us-gaap	Indefinite Lived Trademarks IndefiniteLivedTrademarks	17780000	USD
CY2018Q4	us-gaap	Indefinite Lived Trademarks IndefiniteLivedTrademarks	14600000	USD
CY2017Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	70605000	USD
CY2017	us-gaap	Interest Paid InterestPaid	62895000	USD
CY2018	us-gaap	Interest Paid InterestPaid	64012000	USD
CY2017Q4	us-gaap	Inventory Work In Process InventoryWorkInProcess	31146000	USD
CY2018Q4	us-gaap	Inventory Work In Process InventoryWorkInProcess	42369000	USD
CY2016	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	56725000	USD
CY2017	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	64086000	USD
CY2018	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	65093000	USD
CY2018Q4	us-gaap	Letters Of Credit Outstanding Amount LettersOfCreditOutstandingAmount	4701000	USD
CY2017Q4	us-gaap	Liabilities Liabilities	1791519000	USD
CY2018Q4	us-gaap	Liabilities Liabilities	1806994000	USD
CY2017Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	1698892000	USD
CY2018Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	1611573000	USD
CY2017Q4	us-gaap	Liabilities Current LiabilitiesCurrent	775630000	USD
CY2018Q4	us-gaap	Liabilities Current LiabilitiesCurrent	742536000	USD
CY2017Q4	us-gaap	Liabilities Of Disposal Group Including Discontinued Operation Current LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent	0	USD
CY2018Q4	us-gaap	Liabilities Of Disposal Group Including Discontinued Operation Current LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent	35967000	USD
CY2018Q4	us-gaap	Long Term Debt And Capital Lease Obligations Maturities Repayments Of Principal After Year Five LongTermDebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalAfterYearFive	900000000	USD
CY2018Q4	us-gaap	Long Term Debt And Capital Lease Obligations Maturities Repayments Of Principal In Year Five LongTermDebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalInYearFive	0	USD
CY2018Q4	us-gaap	Long Term Debt And Capital Lease Obligations Maturities Repayments Of Principal In Year Four LongTermDebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalInYearFour	0	USD
CY2018Q4	us-gaap	Long Term Debt And Capital Lease Obligations Maturities Repayments Of Principal In Year Three LongTermDebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalInYearThree	68164000	USD
CY2018Q4	us-gaap	Long Term Debt And Capital Lease Obligations Maturities Repayments Of Principal In Year Two LongTermDebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalInYearTwo	101000	USD
CY2018Q4	us-gaap	Long Term Debt And Capital Lease Obligations Repayments Of Principal In Next Twelve Months LongTermDebtAndCapitalLeaseObligationsRepaymentsOfPrincipalInNextTwelveMonths	356000	USD
CY2017Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	313000	USD
CY2018Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	356000	USD
CY2016	us-gaap	Net Income Loss NetIncomeLoss	-45839000	USD
CY2017Q1	us-gaap	Net Income Loss NetIncomeLoss	-10566000	USD
CY2017Q2	us-gaap	Net Income Loss NetIncomeLoss	11253000	USD
CY2018	us-gaap	Minority Interest Change In Redemption Value MinorityInterestChangeInRedemptionValue	-5965000	USD
CY2017Q3	us-gaap	Net Income Loss NetIncomeLoss	18493000	USD
CY2016	us-gaap	Minority Interest Decrease From Redemptions MinorityInterestDecreaseFromRedemptions	-8936000	USD
CY2017Q4	us-gaap	Net Income Loss NetIncomeLoss	222668000	USD
CY2017	us-gaap	Net Income Loss NetIncomeLoss	241848000	USD
CY2018Q1	us-gaap	Net Income Loss NetIncomeLoss	-29416000	USD
CY2018Q2	us-gaap	Net Income Loss NetIncomeLoss	3406000	USD
CY2017Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	882806000	USD
CY2018Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	954229000	USD
CY2017Q4	us-gaap	Minority Interest MinorityInterest	58030000	USD
CY2018Q4	us-gaap	Minority Interest MinorityInterest	64514000	USD
CY2018	us-gaap	Minority Interest Decrease From Redemptions MinorityInterestDecreaseFromRedemptions	-25550000	USD
CY2016	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	35657000	USD
CY2017	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-32599000	USD
CY2018	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	21434000	USD
CY2016	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-25196000	USD
CY2017	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-20884000	USD
CY2018	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-50431000	USD
CY2016	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-45907000	USD
CY2017	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	71786000	USD
CY2018	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	17280000	USD
CY2018Q3	us-gaap	Net Income Loss NetIncomeLoss	-16125000	USD
CY2018Q4	us-gaap	Net Income Loss NetIncomeLoss	-81598000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	-123733000	USD
CY2016	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	5218000	USD
CY2017	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	15375000	USD
CY2018	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	11785000	USD
CY2016	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-45839000	USD
CY2017	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	205594000	USD
CY2018	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-132088000	USD
CY2018	us-gaap	New Accounting Pronouncement Or Change In Accounting Principle Effect Of Adoption Quantification NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfAdoptionQuantification	-1170000	USD
CY2017	us-gaap	Noncontrolling Interest Increase From Business Combination NoncontrollingInterestIncreaseFromBusinessCombination	1666000	USD
CY2018	us-gaap	Noncontrolling Interest Increase From Business Combination NoncontrollingInterestIncreaseFromBusinessCombination	0	USD
CY2016	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-98147000	USD
CY2017	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-44881000	USD
CY2018	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-90103000	USD
CY2018	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	4	reportable_segment
CY2016	us-gaap	Number Of Reporting Units NumberOfReportingUnits	3	reportable_segment
CY2017	us-gaap	Number Of Reporting Units NumberOfReportingUnits	2	reportable_segment
CY2018	us-gaap	Number Of Reporting Units NumberOfReportingUnits	3	reportable_segment
CY2016	us-gaap	Operating Income Loss OperatingIncomeLoss	48431000	USD
CY2017	us-gaap	Operating Income Loss OperatingIncomeLoss	131959000	USD
CY2018	us-gaap	Operating Income Loss OperatingIncomeLoss	9696000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due OperatingLeasesFutureMinimumPaymentsDue	345910000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due Current OperatingLeasesFutureMinimumPaymentsDueCurrent	58015000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due Future Minimum Sublease Rentals OperatingLeasesFutureMinimumPaymentsDueFutureMinimumSubleaseRentals	15930000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due In Two Years OperatingLeasesFutureMinimumPaymentsDueInTwoYears	55211000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due Thereafter OperatingLeasesFutureMinimumPaymentsDueThereafter	107975000	USD
CY2016	us-gaap	Operating Leases Income Statement Sublease Revenue OperatingLeasesIncomeStatementSubleaseRevenue	3027000	USD
CY2017	us-gaap	Operating Leases Income Statement Sublease Revenue OperatingLeasesIncomeStatementSubleaseRevenue	2797000	USD
CY2018	us-gaap	Operating Leases Income Statement Sublease Revenue OperatingLeasesIncomeStatementSubleaseRevenue	3671000	USD
CY2018Q4	us-gaap	Other Assets Current OtherAssetsCurrent	42499000	USD
CY2017Q4	us-gaap	Other Assets Current OtherAssetsCurrent	26742000	USD
CY2017Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	37643000	USD
CY2018Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	25513000	USD
CY2017	us-gaap	Other Comprehensive Income Defined Benefit Plans Adjustment Before Tax Portion Attributable To Parent OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentBeforeTaxPortionAttributableToParent	1453000	USD
CY2018	us-gaap	Other Comprehensive Income Defined Benefit Plans Adjustment Before Tax Portion Attributable To Parent OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentBeforeTaxPortionAttributableToParent	212000	USD
CY2017	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent	1206000	USD
CY2018	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent	6119000	USD
CY2017	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Before Reclassification And Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossBeforeReclassificationAndTax	1206000	USD
CY2018	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Before Reclassification And Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossBeforeReclassificationAndTax	6119000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	1206000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	6119000	USD
CY2016	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-4586000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	3611000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	3158000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Reclassification Adjustment From Aoci Realized Upon Sale Or Liquidation Before Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationBeforeTax	0	USD
CY2018	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Reclassification Adjustment From Aoci Realized Upon Sale Or Liquidation Before Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationBeforeTax	0	USD
CY2016	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-7687000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	2275000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	3713000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-130000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	6674000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Reclassification Adjustments Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsNetOfTax	0	USD
CY2018	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Reclassification Adjustments Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsNetOfTax	0	USD
CY2017	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax	1336000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax	-778000	USD
CY2016	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	3101000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	1336000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-555000	USD
CY2016	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	0	USD
CY2017	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	0	USD
CY2018	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	223000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansTax	1336000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansTax	-555000	USD
CY2017Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	54110000	USD
CY2018Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	54133000	USD
CY2016	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	414000	USD
CY2017	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	1346000	USD
CY2018	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	230000	USD
CY2016	us-gaap	Payment For Contingent Consideration Liability Investing Activities PaymentForContingentConsiderationLiabilityInvestingActivities	135693000	USD
CY2017	us-gaap	Payment For Contingent Consideration Liability Investing Activities PaymentForContingentConsiderationLiabilityInvestingActivities	99873000	USD
CY2018	us-gaap	Payment For Contingent Consideration Liability Investing Activities PaymentForContingentConsiderationLiabilityInvestingActivities	61313000	USD
CY2016	us-gaap	Payment For Contingent Consideration Liability Operating Activities PaymentForContingentConsiderationLiabilityOperatingActivities	44914000	USD
CY2017	us-gaap	Payment For Contingent Consideration Liability Operating Activities PaymentForContingentConsiderationLiabilityOperatingActivities	42790000	USD
CY2018	us-gaap	Payment For Contingent Consideration Liability Operating Activities PaymentForContingentConsiderationLiabilityOperatingActivities	29141000	USD
CY2016	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	3835000	USD
CY2017	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	2229000	USD
CY2018	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	499000	USD
CY2016	us-gaap	Payments For Proceeds From Previous Acquisition PaymentsForProceedsFromPreviousAcquisition	90779000	USD
CY2017	us-gaap	Payments For Proceeds From Previous Acquisition PaymentsForProceedsFromPreviousAcquisition	57083000	USD
CY2017	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	1758000	USD
CY2018	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	776000	USD
CY2018Q4	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent	14757000	USD
CY2018	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	13419000	USD
CY2017Q4	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent	15773000	USD
CY2016	us-gaap	Payments Of Dividends PaymentsOfDividends	32918000	USD
CY2017	us-gaap	Payments Of Dividends PaymentsOfDividends	284000	USD
CY2018	us-gaap	Payments Of Dividends PaymentsOfDividends	196000	USD
CY2016	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	21569000	USD
CY2017	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	0	USD
CY2018	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	0	USD
CY2016	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	-2531000	USD
CY2017	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	0	USD
CY2018	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	32713000	USD
CY2016	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	29432000	USD
CY2017	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	32958000	USD
CY2018	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	20264000	USD
CY2016	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	7772000	USD
CY2017	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	8865000	USD
CY2016	us-gaap	Pension Expense PensionExpense	10026000	USD
CY2017	us-gaap	Pension Expense PensionExpense	10124000	USD
CY2018	us-gaap	Pension Expense PensionExpense	9810000	USD
CY2017Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	95000	shares
CY2018Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	95000	shares
CY2017Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	95000	shares
CY2018Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	95000	shares
CY2017Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	95000	shares
CY2018Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	95000	shares
CY2017Q4	us-gaap	Preferred Stock Value PreferredStockValue	90220000	USD
CY2018Q4	us-gaap	Preferred Stock Value PreferredStockValue	90123000	USD
CY2016	us-gaap	Proceeds From Sale Of Productive Assets ProceedsFromSaleOfProductiveAssets	666000	USD
CY2017	us-gaap	Proceeds From Sale Of Productive Assets ProceedsFromSaleOfProductiveAssets	10631000	USD
CY2018	us-gaap	Proceeds From Sale Of Productive Assets ProceedsFromSaleOfProductiveAssets	2082000	USD
CY2016	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	0	USD
CY2017	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	0	USD
CY2016	us-gaap	Profit Loss ProfitLoss	-40621000	USD
CY2017	us-gaap	Profit Loss ProfitLoss	257223000	USD
CY2018	us-gaap	Profit Loss ProfitLoss	-111948000	USD
CY2017Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	213905000	USD
CY2018Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	216735000	USD
CY2017Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	90306000	USD
CY2018Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	88189000	USD
CY2017	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	1336000	USD
CY2018	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	-555000	USD
CY2016Q4	us-gaap	Redeemable Noncontrolling Interest Equity Fair Value RedeemableNoncontrollingInterestEquityFairValue	60180000	USD
CY2017Q4	us-gaap	Redeemable Noncontrolling Interest Equity Fair Value RedeemableNoncontrollingInterestEquityFairValue	62886000	USD
CY2018Q4	us-gaap	Redeemable Noncontrolling Interest Equity Fair Value RedeemableNoncontrollingInterestEquityFairValue	51546000	USD
CY2017Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-340000000	USD
CY2018Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-464903000	USD
CY2017Q4	us-gaap	Redeemable Noncontrolling Interest Equity Redemption Value RedeemableNoncontrollingInterestEquityRedemptionValue	62886000	USD
CY2018Q4	us-gaap	Redeemable Noncontrolling Interest Equity Redemption Value RedeemableNoncontrollingInterestEquityRedemptionValue	51546000	USD
CY2016	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	507000	USD
CY2018	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	57218994	shares
CY2018Q4	us-gaap	Share Based Compensation ShareBasedCompensation	1534000	USD
CY2016	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	51345807	shares
CY2018	us-gaap	Revenue Performance Obligation Description Of Timing RevenuePerformanceObligationDescriptionOfTiming	The Company’s contracts typically provide for termination by either party within 30 to 90 days. Although payment terms vary by client, they are typically within 30 to 60 days.
CY2017	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	404000	USD
CY2018	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	146000	USD
CY2017	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	55255797	shares
CY2018	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	57218994	shares
CY2016	us-gaap	Revenues Revenues	1385785000	USD
CY2018	us-gaap	Share Based Compensation ShareBasedCompensation	18416000	USD
CY2017Q1	us-gaap	Revenues Revenues	344700000	USD
CY2017Q2	us-gaap	Revenues Revenues	390532000	USD
CY2017Q3	us-gaap	Revenues Revenues	375800000	USD
CY2017Q4	us-gaap	Revenues Revenues	402747000	USD
CY2017	us-gaap	Revenues Revenues	1513779000	USD
CY2018Q1	us-gaap	Revenues Revenues	326968000	USD
CY2018Q2	us-gaap	Revenues Revenues	379743000	USD
CY2018Q3	us-gaap	Revenues Revenues	375830000	USD
CY2018Q4	us-gaap	Revenues Revenues	393662000	USD
CY2018	us-gaap	Revenues Revenues	1476203000	USD
CY2016	us-gaap	Share Based Compensation ShareBasedCompensation	21003000	USD
CY2017Q4	us-gaap	Share Based Compensation ShareBasedCompensation	7480000	USD
CY2017	us-gaap	Share Based Compensation ShareBasedCompensation	24350000	USD
CY2015	us-gaap	Stock Issued During Period Shares New Issues StockIssuedDuringPeriodSharesNewIssues	0	shares
CY2016	us-gaap	Stock Issued During Period Shares New Issues StockIssuedDuringPeriodSharesNewIssues	0	shares
CY2016	us-gaap	Stock Issued During Period Value Acquisitions StockIssuedDuringPeriodValueAcquisitions	34219000	USD
CY2016	us-gaap	Stock Issued During Period Value Restricted Stock Award Net Of Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures	12818000	USD
CY2016	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	9604000	USD
CY2016	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	3350000	USD
CY2017	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	1758000	USD
CY2018	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	776000	USD
CY2017Q4	us-gaap	Stockholders Equity StockholdersEquity	-213543000	USD
CY2018Q4	us-gaap	Stockholders Equity StockholdersEquity	-311481000	USD
CY2015Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	-496092000	USD
CY2016Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	-509476000	USD
CY2017Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	-155513000	USD
CY2018Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	-246967000	USD
CY2017Q4	us-gaap	Taxes Payable Current And Noncurrent TaxesPayableCurrentAndNoncurrent	3810000	USD
CY2018Q4	us-gaap	Taxes Payable Current And Noncurrent TaxesPayableCurrentAndNoncurrent	10045000	USD
CY2017	us-gaap	Temporary Equity Accretion To Redemption Value TemporaryEquityAccretionToRedemptionValue	8028000	USD
CY2017Q4	us-gaap	Unbilled Contracts Receivable UnbilledContractsReceivable	54177000	USD
CY2018Q4	us-gaap	Unbilled Contracts Receivable UnbilledContractsReceivable	64362000	USD
CY2017Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	1556000	USD
CY2018Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	973000	USD
CY2017Q4	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	123000	USD
CY2018Q4	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	87000	USD
CY2017Q4	us-gaap	Valuation Allowance Deferred Tax Asset Change In Amount ValuationAllowanceDeferredTaxAssetChangeInAmount	226466000	USD
CY2018Q4	us-gaap	Valuation Allowance Deferred Tax Asset Change In Amount ValuationAllowanceDeferredTaxAssetChangeInAmount	49447000	USD
CY2016	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	0	shares
CY2017	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	225989	shares
CY2018	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	0	shares
CY2016	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	51345807	shares
CY2017	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	55481786	shares
CY2017	us-gaap	Concentration Risk Credit Risk ConcentrationRiskCreditRisk	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-bottom:8px;text-align:justify;text-indent:24px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-style:italic;">Concentration of Credit Risk</font><font style="font-family:inherit;font-size:10pt;">.  The Company provides marketing communications services to clients who operate in most industry sectors. Credit is granted to qualified clients in the ordinary course of business. Due to the diversified nature of the Company’s client base, the Company does not believe that it is exposed to a concentration of credit risk. </font><font style="font-family:inherit;font-size:10pt;">No</font><font style="font-family:inherit;font-size:10pt;"> client accounted for more than </font><font style="font-family:inherit;font-size:10pt;">10%</font><font style="font-family:inherit;font-size:10pt;"> of the Company’s consolidated accounts receivable as of December 31, </font><font style="font-family:inherit;font-size:10pt;">2018</font><font style="font-family:inherit;font-size:10pt;"> and </font><font style="font-family:inherit;font-size:10pt;">2017</font><font style="font-family:inherit;font-size:10pt;">. </font></div></div>
CY2017	us-gaap	Derivatives Reporting Of Derivative Activity DerivativesReportingOfDerivativeActivity	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-bottom:8px;text-align:justify;text-indent:24px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">prehensive income (loss).</font></div></div>
CY2017	us-gaap	Guarantees Indemnifications And Warranties Policies GuaranteesIndemnificationsAndWarrantiesPolicies	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-bottom:8px;text-align:justify;text-indent:24px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"></font></div><div style="line-height:120%;padding-bottom:8px;text-align:justify;text-indent:24px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-style:italic;"></font></div></div>
CY2017	us-gaap	Reclassifications Reclassifications	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-bottom:8px;text-align:justify;text-indent:24px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-style:italic;">Reclassifications. </font><font style="font-family:inherit;font-size:10pt;">Certain reclassifications have been made to the prior period consolidated financial statements to conform to the current period presentation.  Additionally, certain changes to presentation have been made.  The Company changed its presentation of net income allocated to convertible preference shareholders. In the Company’s Form 10-K for the year ended December 31, 2017, this amount was presented in the Income (Loss) per Common Share footnote</font><font style="font-family:inherit;font-size:10pt;color:#ff0000;"> </font><font style="font-family:inherit;font-size:10pt;">and not on the Consolidated Statements of Operations.  In connection with the presentation of the Form 10-K for the year ended December 31, 2018, the Company changed the 2017 Consolidated Statement of Operations to include the net income allocated to convertible preference shares, which was previously disclosed in footnote 3 of the December 31, 2017 financial statements.</font></div></div>
CY2017	us-gaap	Use Of Estimates UseOfEstimates	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-bottom:8px;text-align:justify;text-indent:24px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-style:italic;">Use of Estimates</font><font style="font-family:inherit;font-size:10pt;">.  The preparation of consolidated financial statements in conformity with U.S. GAAP requires management to make judgments, estimates and assumptions. These estimates and assumptions affect the reported amounts of assets and liabilities including goodwill, intangible assets, contingent deferred acquisition consideration, redeemable noncontrolling interests, deferred tax assets and the amounts of revenue and expenses reported during the period. These estimates are evaluated on an ongoing basis and are based on historical experience, current conditions and various other assumptions believed to be reasonable under the circumstances. </font></div></div>

Files In Submission

Name	View Source	Status
0000876883-19-000004-index-headers.html	Edgar Link	pending
0000876883-19-000004-index.html	Edgar Link	pending
0000876883-19-000004.txt	Edgar Link	pending
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mdca-20181231_cal.xml	Edgar Link	unprocessable
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$STGW
Stagwell Inc Stock $stgw

2018 Q4 Form 10-K Financial Statement

#000087688319000004 Filed on March 18, 2019

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$STGW Stagwell Inc Stock $stgw

2018 Q4 Form 10-K Financial Statement

#000087688319000004 Filed on March 18, 2019

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$STGW
Stagwell Inc Stock $stgw