$ENSG
ENSIGN GROUP, INC Stock $ensg

$ensg Overview Financials Valuation SEC Filings Company Website

2017 Q4 Form 10-K Financial Statement

#000112537619000016 Filed on February 06, 2019

Income Statement

Concept	2017 Q4	2016 Q4	2016
Revenue	$487.7M	$433.0M	$1.655B
YoY Change	12.63%	16.02%	23.33%
Cost Of Revenue	$427.0M	$389.5M	$1.342B
YoY Change	9.63%	20.36%	25.67%
Gross Profit	$60.70M	$43.50M	$313.1M
YoY Change	39.54%	-12.12%	14.2%
Gross Profit Margin	12.45%	10.05%	18.92%
Selling, General & Admin	$22.80M	$14.80M	$69.20M
YoY Change	54.05%	-13.95%	7.79%
% of Gross Profit	37.56%	34.02%	22.11%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$11.80M	$9.700M	$38.68M
YoY Change	21.65%	22.78%	37.6%
% of Gross Profit	19.44%	22.3%	12.36%
Operating Expenses	$34.60M	$24.60M	$107.8M
YoY Change	40.65%	-2.38%	16.92%
Operating Profit	$26.10M	$18.90M	$91.85M
YoY Change	38.1%	-22.22%	-1.33%
Interest Expense	-$3.000M	-$1.800M	$7.136M
YoY Change	66.67%	200.0%	152.33%
% of Operating Profit	-11.49%	-9.52%	7.77%
Other Income/Expense, Net			-$6.029M
YoY Change			204.03%
Pretax Income	$23.20M	$33.90M	$85.82M
YoY Change	-31.56%	42.44%	-5.8%
Income Tax	$8.000M	$12.90M	$32.98M
% Of Pretax Income	34.48%	38.05%	38.42%
Net Earnings	$11.20M	$18.30M	$49.99M
YoY Change	-38.8%	34.56%	-9.82%
Net Earnings / Revenue	2.3%	4.23%	3.02%
Basic Earnings Per Share			$0.99
Diluted Earnings Per Share	$210.1K	$350.6K	$0.96
COMMON SHARES
Basic Shares Outstanding	51.17M shares	50.68M shares	50.56M shares
Diluted Shares Outstanding			52.13M shares

Balance Sheet

Concept	2017 Q4	2016 Q4	2016
SHORT-TERM ASSETS
Cash & Short-Term Investments	$55.40M	$69.30M	$69.30M
YoY Change	-20.06%	58.94%	58.94%
Cash & Equivalents	$42.34M	$57.71M	$57.70M
Short-Term Investments	$13.10M	$11.60M	$11.60M
Other Short-Term Assets	$47.60M	$20.20M	$20.20M
YoY Change	135.64%	-25.19%	-25.19%
Inventory
Prepaid Expenses
Receivables	$265.1M	$244.4M	$244.4M
Other Receivables	$0.00	$0.00	$0.00
Total Short-Term Assets	$368.1M	$333.9M	$333.9M
YoY Change	10.25%	19.42%	19.42%
LONG-TERM ASSETS
Property, Plant & Equipment	$537.1M	$484.5M	$484.5M
YoY Change	10.85%	61.7%	61.72%
Goodwill	$53.10M	$45.98M
YoY Change	15.49%	12.45%
Intangibles
YoY Change
Long-Term Investments	$28.70M	$23.60M	$23.60M
YoY Change	21.61%	-27.83%	-27.83%
Other Assets	$16.50M	$12.61M	$37.30M
YoY Change	30.81%	30.97%	20.71%
Total Long-Term Assets	$734.4M	$667.2M	$667.1M
YoY Change	10.07%	42.5%	42.48%
TOTAL ASSETS
Total Short-Term Assets	$368.1M	$333.9M	$333.9M
Total Long-Term Assets	$734.4M	$667.2M	$667.1M
Total Assets	$1.102B	$1.001B	$1.001B
YoY Change	10.13%	33.87%	33.86%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$39.04M	$38.99M	$39.00M
YoY Change	0.13%	8.22%	8.33%
Accrued Expenses	$160.9M	$149.5M	$149.5M
YoY Change	7.63%	16.25%	16.25%
Deferred Revenue	$7.066M
YoY Change
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due	$9.939M	$8.129M	$8.100M
YoY Change	22.27%	1211.13%	1250.0%
Total Short-Term Liabilities	$225.8M	$211.9M	$211.9M
YoY Change	6.56%	17.83%	17.79%
LONG-TERM LIABILITIES
Long-Term Debt	$303.0M	$275.5M	$275.5M
YoY Change	9.98%	178.13%	178.0%
Other Long-Term Liabilities	$8.625M	$5.855M	$53.10M
YoY Change	47.31%	18.64%	26.73%
Total Long-Term Liabilities	$311.6M	$281.3M	$328.6M
YoY Change	10.76%	170.56%	133.05%
TOTAL LIABILITIES
Total Short-Term Liabilities	$225.8M	$211.9M	$211.9M
Total Long-Term Liabilities	$311.6M	$281.3M	$328.6M
Total Liabilities	$602.4M	$540.5M	$544.6M
YoY Change	11.44%	68.51%	69.98%
SHAREHOLDERS EQUITY
Retained Earnings	$264.7M	$235.0M
YoY Change	12.62%	21.51%
Common Stock	$266.1M	$252.5M
YoY Change	5.37%	7.41%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$38.41M	$31.12M
YoY Change	23.42%	2444.32%
Treasury Stock Shares	1.932M shares	1.520M shares
Shareholders Equity	$492.4M	$456.4M	$456.4M
YoY Change
Total Liabilities & Shareholders Equity	$1.102B	$1.001B	$1.001B
YoY Change	10.13%	33.87%	33.86%

Cashflow Statement

Concept	2017 Q4	2016 Q4	2016
OPERATING ACTIVITIES
Net Income	$11.20M	$18.30M	$49.99M
YoY Change	-38.8%	34.56%	-9.82%
Depreciation, Depletion And Amortization	$11.80M	$9.700M	$38.68M
YoY Change	21.65%	22.78%	37.6%
Cash From Operating Activities	$9.800M	$2.700M	$73.89M
YoY Change	262.96%	-86.57%	121.43%
INVESTING ACTIVITIES
Capital Expenditures	-$17.30M	-$133.5M	$65.70M
YoY Change	-87.04%	581.12%	9.47%
Acquisitions			$64.31M
YoY Change			-41.96%
Other Investing Activities	-$6.200M	$35.40M	-$24.00M
YoY Change	-117.51%	-224.65%	-73.57%
Cash From Investing Activities	-$23.50M	-$98.20M	-$210.6M
YoY Change	-76.07%	105.01%	24.98%
FINANCING ACTIVITIES
Cash Dividend Paid			$8.173M
YoY Change			9.06%
Common Stock Issuance & Retirement, Net			$30.00M
YoY Change			-126.77%
Debt Paid & Issued, Net			$659.5M
YoY Change			109.76%
Cash From Financing Activities	16.10M	112.8M	$152.9M
YoY Change	-85.73%	283.67%	21.02%
NET CHANGE
Cash From Operating Activities	9.800M	2.700M	$73.89M
Cash From Investing Activities	-23.50M	-98.20M	-$210.6M
Cash From Financing Activities	16.10M	112.8M	$152.9M
Net Change In Cash	2.400M	17.30M	$16.14M
YoY Change	-86.13%	981.25%	-282.57%
FREE CASH FLOW
Cash From Operating Activities	$9.800M	$2.700M	$73.89M
Capital Expenditures	-$17.30M	-$133.5M	$65.70M
Free Cash Flow	$27.10M	$136.2M	$8.189M
YoY Change	-80.1%	243.07%	-130.73%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
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	0001125376
CY2019Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	52696096	shares
CY2018	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2018	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2018	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2018Q2	dei	Entity Public Float EntityPublicFloat	1312000000	USD
CY2018	dei	Entity Registrant Name EntityRegistrantName	ENSIGN GROUP, 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
CY2018Q4	ensg	Assistedand Independent Living Facilities AssistedandIndependentLivingFacilities	56	facilities
CY2016	ensg	Bad Debt Expenseasa Percentof Total Revenue BadDebtExpenseasaPercentofTotalRevenue	0.017	Rate
CY2017	ensg	Bad Debt Expenseasa Percentof Total Revenue BadDebtExpenseasaPercentofTotalRevenue	0.017	Rate
CY2018	ensg	Bad Debt Expenseasa Percentof Total Revenue BadDebtExpenseasaPercentofTotalRevenue	0.001	Rate
CY2017Q4	ensg	Cash Held In Trust For Residents CashHeldInTrustForResidents	2609000	USD
CY2018Q4	ensg	Cash Held In Trust For Residents CashHeldInTrustForResidents	2824000	USD
CY2017Q4	ensg	Deferred Rent And Other Long Term Liabilities DeferredRentAndOtherLongTermLiabilities	11268000	USD
CY2018Q4	ensg	Deferred Rent And Other Long Term Liabilities DeferredRentAndOtherLongTermLiabilities	11234000	USD
CY2017Q4	ensg	Deferred Tax Liabilities State Taxes DeferredTaxLiabilitiesStateTaxes	911000	USD
CY2018Q4	ensg	Deferred Tax Liabilities State Taxes DeferredTaxLiabilitiesStateTaxes	475000	USD
CY2016	ensg	Effective Income Tax Rate Reconciliation Nondeductible Compensation Percent EffectiveIncomeTaxRateReconciliationNondeductibleCompensationPercent	0.000	Rate
CY2017	ensg	Effective Income Tax Rate Reconciliation Nondeductible Compensation Percent EffectiveIncomeTaxRateReconciliationNondeductibleCompensationPercent	0.000	Rate
CY2018	ensg	Effective Income Tax Rate Reconciliation Nondeductible Compensation Percent EffectiveIncomeTaxRateReconciliationNondeductibleCompensationPercent	0.018	Rate
CY2016	ensg	Escrow Depositsusedto Fund Acquisitions EscrowDepositsusedtoFundAcquisitions	400000	USD
CY2017	ensg	Escrow Depositsusedto Fund Acquisitions EscrowDepositsusedtoFundAcquisitions	1582000	USD
CY2018	ensg	Escrow Depositsusedto Fund Acquisitions EscrowDepositsusedtoFundAcquisitions	228000	USD
CY2018Q4	ensg	Facilitiesunder Master Lease Arrangement FacilitiesunderMasterLeaseArrangement	35	facilities
CY2018	ensg	Numberof Operations Impaired NumberofOperationsImpaired	1	Operations
CY2018Q4	ensg	Numberof Option Plans NumberofOptionPlans	1	Agreements
CY2018Q4	ensg	Facilitiesunder Medicare Probe Reviews FacilitiesunderMedicareProbeReviews	16	facilities
CY2016	ensg	Gain Losson Other Assets GainLossonOtherAssets	-164000	USD
CY2017	ensg	Gain Losson Other Assets GainLossonOtherAssets	-278000	USD
CY2018	ensg	Gain Losson Other Assets GainLossonOtherAssets	1014000	USD
CY2018Q4	ensg	Home Health Hospiceand Home Care Operations HomeHealthHospiceandHomeCareOperations	54	business
CY2016	ensg	Increase Decrease In Insurance Subsidiary Deposits And Investments IncreaseDecreaseInInsuranceSubsidiaryDepositsAndInvestments	-467000	USD
CY2017	ensg	Increase Decrease In Insurance Subsidiary Deposits And Investments IncreaseDecreaseInInsuranceSubsidiaryDepositsAndInvestments	-6592000	USD
CY2018	ensg	Increase Decrease In Insurance Subsidiary Deposits And Investments IncreaseDecreaseInInsuranceSubsidiaryDepositsAndInvestments	0	USD
CY2017Q4	ensg	Insurance Subsidiary Deposits And Investments InsuranceSubsidiaryDepositsAndInvestments	28685000	USD
CY2018Q4	ensg	Insurance Subsidiary Deposits And Investments InsuranceSubsidiaryDepositsAndInvestments	36168000	USD
CY2018	ensg	Intersegmentrevenue Intersegmentrevenue	0	USD
CY2013	ensg	Litigation Settlement Paidto U.S.Government LitigationSettlementPaidtoU.S.Government	48000000	USD
CY2018Q1	ensg	Litigation Settlement Returnof Unclaimed Settlement LitigationSettlementReturnofUnclaimedSettlement	1664000	USD
CY2017Q4	ensg	Long Term Debt Net Of Current Maturities And Debt Discount LongTermDebtNetOfCurrentMaturitiesAndDebtDiscount	302990000	USD
CY2018Q4	ensg	Long Term Debt Net Of Current Maturities And Debt Discount LongTermDebtNetOfCurrentMaturitiesAndDebtDiscount	233135000	USD
CY2016	ensg	Lossesrelatedtooperationalclosurenetoffixedassetimpairment Lossesrelatedtooperationalclosurenetoffixedassetimpairment	7205000	USD
CY2017	ensg	Lossesrelatedtooperationalclosurenetoffixedassetimpairment Lossesrelatedtooperationalclosurenetoffixedassetimpairment	2210000	USD
CY2018	ensg	Lossesrelatedtooperationalclosurenetoffixedassetimpairment Lossesrelatedtooperationalclosurenetoffixedassetimpairment	0	USD
CY2018Q4	ensg	Master Lease Agreements MasterLeaseAgreements	6	facilities
CY2017Q4	ensg	Number Of Real Estate Properties Leased NumberOfRealEstatePropertiesLeased	167	facilities
CY2018Q4	ensg	Number Of Real Estate Properties Leased NumberOfRealEstatePropertiesLeased	172	facilities
CY2017Q4	ensg	Number Of Real Estate Properties Leased With Option To Purchase NumberOfRealEstatePropertiesLeasedWithOptionToPurchase	11	facilities
CY2018Q4	ensg	Number Of Real Estate Properties Leased With Option To Purchase NumberOfRealEstatePropertiesLeasedWithOptionToPurchase	12	facilities
CY2017Q4	ensg	Number Of Real Estate Properties Operated NumberOfRealEstatePropertiesOperated	230	facilities
CY2018Q4	ensg	Number Of Real Estate Properties Operated NumberOfRealEstatePropertiesOperated	244	facilities
CY2018Q4	ensg	Operational Assisted Livingand Independent Living Units OperationalAssistedLivingandIndependentLivingUnits	5700	Beds
CY2018Q4	ensg	Operational Skilled Nursing Beds OperationalSkilledNursingBeds	19600	Beds
CY2016	ensg	Paymentsto Acquire Asset Acquisitions PaymentstoAcquireAssetAcquisitions	120935000	USD
CY2017	ensg	Paymentsto Acquire Asset Acquisitions PaymentstoAcquireAssetAcquisitions	195000	USD
CY2018	ensg	Paymentsto Acquire Asset Acquisitions PaymentstoAcquireAssetAcquisitions	85314000	USD
CY2016	ensg	Paymentsto Acquire Businessand Asset Acquisitions PaymentstoAcquireBusinessandAssetAcquisitions	64521000	USD
CY2017	ensg	Paymentsto Acquire Businessand Asset Acquisitions PaymentstoAcquireBusinessandAssetAcquisitions	89683000	USD
CY2018	ensg	Paymentsto Acquire Businessand Asset Acquisitions PaymentstoAcquireBusinessandAssetAcquisitions	90039000	USD
CY2017Q4	ensg	Quality Assurance Fee QualityAssuranceFee	4864000	USD
CY2018Q4	ensg	Quality Assurance Fee QualityAssuranceFee	5375000	USD
CY2017Q4	ensg	Resident Deposits ResidentDeposits	6574000	USD
CY2018Q4	ensg	Resident Deposits ResidentDeposits	6665000	USD
CY2017Q4	ensg	Resident Refunds Payable ResidentRefundsPayable	21661000	USD
CY2018Q4	ensg	Resident Refunds Payable ResidentRefundsPayable	25118000	USD
CY2016	ensg	Restricted Awards Grant Date Fair Value Range Maximum RestrictedAwardsGrantDateFairValueRangeMaximum	23.23
CY2017	ensg	Restricted Awards Grant Date Fair Value Range Maximum RestrictedAwardsGrantDateFairValueRangeMaximum	22.90
CY2018	ensg	Restricted Awards Grant Date Fair Value Range Maximum RestrictedAwardsGrantDateFairValueRangeMaximum	38.59
CY2016	ensg	Restricted Awards Grant Date Fair Value Range Minimum RestrictedAwardsGrantDateFairValueRangeMinimum	18.79
CY2017	ensg	Restricted Awards Grant Date Fair Value Range Minimum RestrictedAwardsGrantDateFairValueRangeMinimum	18.47
CY2018	ensg	Restricted Awards Grant Date Fair Value Range Minimum RestrictedAwardsGrantDateFairValueRangeMinimum	23.61
CY2018	ensg	Revenuefrom Contractwith Customer Including Intersegment Revenue RevenuefromContractwithCustomerIncludingIntersegmentRevenue	2040659000	USD
CY2018	ensg	Revenuefrom Contractwith Customerby Payorasa Percentof Total Revenue RevenuefromContractwithCustomerbyPayorasaPercentofTotalRevenue	1.000	Rate
CY2015Q4	ensg	Share Based Compensation Arrangement By Share Based Payment Award Options Vested Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedOutstandingNumber	2526000	shares
CY2016Q4	ensg	Share Based Compensation Arrangement By Share Based Payment Award Options Vested Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedOutstandingNumber	2704000	shares
CY2017Q4	ensg	Share Based Compensation Arrangement By Share Based Payment Award Options Vested Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedOutstandingNumber	2776000	shares
CY2018Q4	ensg	Share Based Compensation Arrangement By Share Based Payment Award Options Vested Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedOutstandingNumber	2431000	shares
CY2018	ensg	Share Based Compensation Restricted Awards Exercise Price ShareBasedCompensationRestrictedAwardsExercisePrice	0	USD
CY2018Q4	ensg	Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Fair Value ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeFairValue	28488000	USD
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CY2018Q4	ensg	Transitionaland Skilled Service Facilities TransitionalandSkilledServiceFacilities	164	facilities
CY2018Q4	ensg	Transitionaland Skilled Servicesand Assistantand Independent Living Campuses TransitionalandSkilledServicesandAssistantandIndependentLivingCampuses	24	facilities
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CY2017Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	266058000	USD
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CY2017	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	8331000	USD
CY2018	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	8959000	USD
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CY2018Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	2886000	USD
CY2016	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	825000	USD
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CY2018	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	2837000	USD
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CY2016	us-gaap	Asset Impairment Charges AssetImpairmentCharges	137000	USD
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CY2017	us-gaap	Business Exit Costs1 BusinessExitCosts1	2321000	USD
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CY2018Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
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CY2018	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.1825
CY2017Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.001
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CY2017Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	75000000	shares
CY2018Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	75000000	shares
CY2017Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	53675000	shares
CY2018Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	55089000	shares
CY2017Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	51360000	shares
CY2018Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	52584000	shares
CY2018Q4	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	246080000	USD
CY2017Q4	us-gaap	Common Stock Value CommonStockValue	53000	USD
CY2018Q4	us-gaap	Common Stock Value CommonStockValue	55000	USD
CY2018Q4	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	0	USD
CY2017Q4	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	7066000	USD
CY2018Q4	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	8495000	USD
CY2016	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	1341814000	USD
CY2017	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	1497703000	USD
CY2018	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	1627672000	USD
CY2016	us-gaap	Costs And Expenses CostsAndExpenses	1563017000	USD
CY2017	us-gaap	Costs And Expenses CostsAndExpenses	1768032000	USD
CY2018	us-gaap	Costs And Expenses CostsAndExpenses	1912171000	USD
CY2016	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	30043000	USD
CY2017	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	15141000	USD
CY2018	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	16158000	USD
CY2016	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	35226000	USD
CY2017	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	18116000	USD
CY2018	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	21746000	USD
CY2016	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	5183000	USD
CY2017	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	2975000	USD
CY2018	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	5588000	USD
CY2017Q4	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	316019000	USD
CY2016	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-1034000	USD
CY2017	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	5428000	USD
CY2018	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	1778000	USD
CY2016	us-gaap	Deferred Federal State And Local Tax Expense Benefit DeferredFederalStateAndLocalTaxExpenseBenefit	-2251000	USD
CY2017	us-gaap	Deferred Federal State And Local Tax Expense Benefit DeferredFederalStateAndLocalTaxExpenseBenefit	6414000	USD
CY2018	us-gaap	Deferred Federal State And Local Tax Expense Benefit DeferredFederalStateAndLocalTaxExpenseBenefit	1095000	USD
CY2017Q4	us-gaap	Deferred Finance Costs Net DeferredFinanceCostsNet	2799000	USD
CY2018Q4	us-gaap	Deferred Finance Costs Net DeferredFinanceCostsNet	1892000	USD
CY2016	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-2208000	USD
CY2017	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	10329000	USD
CY2018	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	1095000	USD
CY2017Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	22784000	USD
CY2018Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	31495000	USD
CY2016	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-1217000	USD
CY2017	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	986000	USD
CY2018	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-683000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	36059000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	43936000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	12745000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	11650000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	35529000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	43145000	USD
CY2017Q4	us-gaap	Deferred Tax Assets State Taxes DeferredTaxAssetsStateTaxes	3334000	USD
CY2018Q4	us-gaap	Deferred Tax Assets State Taxes DeferredTaxAssetsStateTaxes	3201000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Accrued Liabilities DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities	16500000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Accrued Liabilities DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities	22756000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Allowance For Doubtful Accounts DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts	11090000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Allowance For Doubtful Accounts DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts	12312000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Self Insurance DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsSelfInsurance	5135000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Self Insurance DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsSelfInsurance	5667000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	530000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	791000	USD
CY2017Q4	us-gaap	Deferred Tax Liabilities Prepaid Expenses DeferredTaxLiabilitiesPrepaidExpenses	3625000	USD
CY2018Q4	us-gaap	Deferred Tax Liabilities Prepaid Expenses DeferredTaxLiabilitiesPrepaidExpenses	2524000	USD
CY2017Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	18248000	USD
CY2018Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	28496000	USD
CY2016	us-gaap	Defined Contribution Plan Employer Discretionary Contribution Amount DefinedContributionPlanEmployerDiscretionaryContributionAmount	862000	USD
CY2017	us-gaap	Defined Contribution Plan Employer Discretionary Contribution Amount DefinedContributionPlanEmployerDiscretionaryContributionAmount	1028000	USD
CY2018	us-gaap	Defined Contribution Plan Employer Discretionary Contribution Amount DefinedContributionPlanEmployerDiscretionaryContributionAmount	1283000	USD
CY2006	us-gaap	Defined Contribution Plan Maximum Annual Contributions Per Employee Percent DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent	0.90	Rate
CY2018	us-gaap	Defined Contribution Plan Maximum Annual Contributions Per Employee Percent DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent	0.15	Rate
CY2017Q4	us-gaap	Deposits Assets Noncurrent DepositsAssetsNoncurrent	228000	USD
CY2018Q4	us-gaap	Deposits Assets Noncurrent DepositsAssetsNoncurrent	7271000	USD
CY2016	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	38682000	USD
CY2017	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	44472000	USD
CY2018	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	47344000	USD
CY2018Q4	us-gaap	Disposal Group Including Discontinued Operation Property Plant And Equipment DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipment	1859000	USD
CY2016	us-gaap	Dividends Dividends	8282000	USD
CY2017	us-gaap	Dividends Dividends	8867000	USD
CY2018	us-gaap	Dividends Dividends	9615000	USD
CY2017Q4	us-gaap	Dividends Payable Current And Noncurrent DividendsPayableCurrentAndNoncurrent	2328000	USD
CY2018Q4	us-gaap	Dividends Payable Current And Noncurrent DividendsPayableCurrentAndNoncurrent	2525000	USD
CY2016	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.99
CY2017	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.79
CY2018	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.78
CY2016	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.96
CY2017	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.77
CY2018	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.70
CY2016	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.384	Rate
CY2017	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.411	Rate
CY2018	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.198	Rate
CY2016	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.350	Rate
CY2017	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.350	Rate
CY2018	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210	Rate
CY2016	us-gaap	Effective Income Tax Rate Reconciliation Change In Enacted Tax Rate EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate	0.000	Rate
CY2017	us-gaap	Effective Income Tax Rate Reconciliation Change In Enacted Tax Rate EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate	0.057	Rate
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Change In Enacted Tax Rate EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate	-0.011	Rate
CY2016	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense EffectiveIncomeTaxRateReconciliationNondeductibleExpense	0.009	Rate
CY2017	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense EffectiveIncomeTaxRateReconciliationNondeductibleExpense	0.017	Rate
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense EffectiveIncomeTaxRateReconciliationNondeductibleExpense	0.008	Rate
CY2016	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0.005	Rate
CY2017	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.001	Rate
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0.010	Rate
CY2016	us-gaap	Effective Income Tax Rate Reconciliation Share Based Compensation Excess Tax Benefit Percent EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitPercent	0.000	Rate
CY2017	us-gaap	Effective Income Tax Rate Reconciliation Share Based Compensation Excess Tax Benefit Percent EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitPercent	-0.045	Rate
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Share Based Compensation Excess Tax Benefit Percent EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitPercent	-0.048	Rate
CY2016	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.030	Rate
CY2017	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.031	Rate
CY2018	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.031	Rate
CY2017Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	90508000	USD
CY2018Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	119656000	USD
CY2016	us-gaap	Employee Service Share Based Compensation Tax Benefit From Exercise Of Stock Options EmployeeServiceShareBasedCompensationTaxBenefitFromExerciseOfStockOptions	3079000	USD
CY2017Q4	us-gaap	Estimated Insurance Recoveries EstimatedInsuranceRecoveries	5394000	USD
CY2018Q4	us-gaap	Estimated Insurance Recoveries EstimatedInsuranceRecoveries	6969000	USD
CY2016	us-gaap	Excess Tax Benefit From Share Based Compensation Financing Activities ExcessTaxBenefitFromShareBasedCompensationFinancingActivities	3181000	USD
CY2017	us-gaap	Excess Tax Benefit From Share Based Compensation Financing Activities ExcessTaxBenefitFromShareBasedCompensationFinancingActivities	0	USD
CY2018	us-gaap	Excess Tax Benefit From Share Based Compensation Financing Activities ExcessTaxBenefitFromShareBasedCompensationFinancingActivities	0	USD
CY2016	us-gaap	Excess Tax Benefit From Share Based Compensation Operating Activities ExcessTaxBenefitFromShareBasedCompensationOperatingActivities	3079000	USD
CY2017	us-gaap	Excess Tax Benefit From Share Based Compensation Operating Activities ExcessTaxBenefitFromShareBasedCompensationOperatingActivities	0	USD
CY2018	us-gaap	Excess Tax Benefit From Share Based Compensation Operating Activities ExcessTaxBenefitFromShareBasedCompensationOperatingActivities	0	USD
CY2016	us-gaap	Fair Value Of Assets Acquired FairValueOfAssetsAcquired	7190000	USD
CY2017	us-gaap	Fair Value Of Assets Acquired FairValueOfAssetsAcquired	0	USD
CY2018	us-gaap	Fair Value Of Assets Acquired FairValueOfAssetsAcquired	0	USD
CY2017Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	11121000	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	13832000	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense After Year Five FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive	22312000	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	2777000	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	1391000	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	1450000	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	1454000	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	1616000	USD
CY2017Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	43924000	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	44832000	USD
CY2017Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	32803000	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	31000000	USD
CY2016	us-gaap	Gain Loss On Contract Termination GainLossOnContractTermination	6512000	USD
CY2017	us-gaap	Gain Loss On Contract Termination GainLossOnContractTermination	2715000	USD
CY2016	us-gaap	Gain Loss On Sale Of Business GainLossOnSaleOfBusiness	19160000	USD
CY2017	us-gaap	Gain Loss On Sale Of Business GainLossOnSaleOfBusiness	0	USD
CY2018	us-gaap	Gain Loss On Sale Of Business GainLossOnSaleOfBusiness	0	USD
CY2016	us-gaap	Gain Loss Related To Litigation Settlement GainLossRelatedToLitigationSettlement	0	USD
CY2017	us-gaap	Gain Loss Related To Litigation Settlement GainLossRelatedToLitigationSettlement	-11000000	USD
CY2018	us-gaap	Gain Loss Related To Litigation Settlement GainLossRelatedToLitigationSettlement	1664000	USD
CY2016	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	69165000	USD
CY2017	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	80617000	USD
CY2018	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	100307000	USD
CY2015Q4	us-gaap	Goodwill Goodwill	40886000	USD
CY2016Q4	us-gaap	Goodwill Goodwill	67100000	USD
CY2017Q4	us-gaap	Goodwill Goodwill	81062000	USD
CY2018Q4	us-gaap	Goodwill Goodwill	80477000	USD
CY2016	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	30343000	USD
CY2017	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	13962000	USD
CY2018	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	2872000	USD
CY2016	us-gaap	Goodwill And Intangible Asset Impairment GoodwillAndIntangibleAssetImpairment	0	USD
CY2017	us-gaap	Goodwill And Intangible Asset Impairment GoodwillAndIntangibleAssetImpairment	0	USD
CY2018	us-gaap	Goodwill And Intangible Asset Impairment GoodwillAndIntangibleAssetImpairment	3653000	USD
	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	6912000	USD
CY2018	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	3513000	USD
CY2016	us-gaap	Goodwill Other Increase Decrease GoodwillOtherIncreaseDecrease	-4103000	USD
CY2016	us-gaap	Goodwill Purchase Accounting Adjustments GoodwillPurchaseAccountingAdjustments	-26000	USD
CY2018	us-gaap	Goodwill Purchase Accounting Adjustments GoodwillPurchaseAccountingAdjustments	56000	USD
CY2018	us-gaap	Impairment Of Intangible Assets Indefinitelived Excluding Goodwill ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill	140000	USD
CY2016	us-gaap	Impairment Of Long Lived Assets To Be Disposed Of ImpairmentOfLongLivedAssetsToBeDisposedOf	137000	USD
CY2017	us-gaap	Impairment Of Long Lived Assets To Be Disposed Of ImpairmentOfLongLivedAssetsToBeDisposedOf	111000	USD
CY2018	us-gaap	Impairment Of Long Lived Assets To Be Disposed Of ImpairmentOfLongLivedAssetsToBeDisposedOf	5492000	USD
CY2016	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	85818000	USD
CY2017	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	69278000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	115369000	USD
CY2016	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	52843000	USD
CY2017	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	40833000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	92528000	USD
CY2016	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	32975000	USD
CY2017	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	28445000	USD
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	22841000	USD
CY2016	us-gaap	Income Tax Expense Benefit Continuing Operations Adjustment Of Deferred Tax Asset Liability IncomeTaxExpenseBenefitContinuingOperationsAdjustmentOfDeferredTaxAssetLiability	0	USD
CY2017	us-gaap	Income Tax Expense Benefit Continuing Operations Adjustment Of Deferred Tax Asset Liability IncomeTaxExpenseBenefitContinuingOperationsAdjustmentOfDeferredTaxAssetLiability	3915000	USD
CY2018	us-gaap	Income Tax Expense Benefit Continuing Operations Adjustment Of Deferred Tax Asset Liability IncomeTaxExpenseBenefitContinuingOperationsAdjustmentOfDeferredTaxAssetLiability	0	USD
CY2016	us-gaap	Income Taxes Paid IncomeTaxesPaid	23163000	USD
CY2017	us-gaap	Income Taxes Paid IncomeTaxesPaid	38382000	USD
CY2018	us-gaap	Income Taxes Paid IncomeTaxesPaid	19563000	USD
CY2016	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	577000	USD
CY2017	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	3329000	USD
CY2018	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	3082000	USD
CY2016	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	63617000	USD
CY2017	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	52301000	USD
CY2018	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	13099000	USD
CY2016	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	987000	USD
CY2017	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	-1182000	USD
CY2018	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	0	USD
CY2016	us-gaap	Increase Decrease In Employee Related Liabilities IncreaseDecreaseInEmployeeRelatedLiabilities	-4978000	USD
CY2017	us-gaap	Increase Decrease In Employee Related Liabilities IncreaseDecreaseInEmployeeRelatedLiabilities	5822000	USD
CY2018	us-gaap	Increase Decrease In Employee Related Liabilities IncreaseDecreaseInEmployeeRelatedLiabilities	29148000	USD
CY2016	us-gaap	Increase Decrease In Other Deferred Liability IncreaseDecreaseInOtherDeferredLiability	956000	USD
CY2017	us-gaap	Increase Decrease In Other Deferred Liability IncreaseDecreaseInOtherDeferredLiability	483000	USD
CY2018	us-gaap	Increase Decrease In Other Deferred Liability IncreaseDecreaseInOtherDeferredLiability	-34000	USD
CY2016	us-gaap	Increase Decrease In Other Noncurrent Assets IncreaseDecreaseInOtherNoncurrentAssets	-365000	USD
CY2017	us-gaap	Increase Decrease In Other Noncurrent Assets IncreaseDecreaseInOtherNoncurrentAssets	2236000	USD
CY2018	us-gaap	Increase Decrease In Other Noncurrent Assets IncreaseDecreaseInOtherNoncurrentAssets	3953000	USD
CY2016	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	12588000	USD
CY2017	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	5777000	USD
CY2018	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	5597000	USD
CY2016	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	1465000	USD
CY2017	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	9380000	USD
CY2018	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-1297000	USD
CY2016	us-gaap	Increase Decrease In Prepaid Taxes IncreaseDecreaseInPrepaidTaxes	-7839000	USD
CY2017	us-gaap	Increase Decrease In Prepaid Taxes IncreaseDecreaseInPrepaidTaxes	19145000	USD
CY2018	us-gaap	Increase Decrease In Prepaid Taxes IncreaseDecreaseInPrepaidTaxes	-2228000	USD
CY2016	us-gaap	Increase Decrease In Self Insurance Reserve IncreaseDecreaseInSelfInsuranceReserve	8125000	USD
CY2017	us-gaap	Increase Decrease In Self Insurance Reserve IncreaseDecreaseInSelfInsuranceReserve	6095000	USD
CY2018	us-gaap	Increase Decrease In Self Insurance Reserve IncreaseDecreaseInSelfInsuranceReserve	5740000	USD
CY2017Q4	us-gaap	Indefinite Lived Intangible Assets Excluding Goodwill IndefiniteLivedIntangibleAssetsExcludingGoodwill	25249000	USD
CY2018Q4	us-gaap	Indefinite Lived Intangible Assets Excluding Goodwill IndefiniteLivedIntangibleAssetsExcludingGoodwill	27602000	USD
CY2016	us-gaap	Interest Expense InterestExpense	7136000	USD
CY2017	us-gaap	Interest Expense InterestExpense	13616000	USD
CY2018	us-gaap	Interest Expense InterestExpense	15182000	USD
CY2016	us-gaap	Interest Paid Net InterestPaidNet	6428000	USD
CY2017	us-gaap	Interest Paid Net InterestPaidNet	13284000	USD
CY2018	us-gaap	Interest Paid Net InterestPaidNet	15992000	USD
CY2016	us-gaap	Investment Income Interest InvestmentIncomeInterest	1107000	USD
CY2017	us-gaap	Investment Income Interest InvestmentIncomeInterest	1609000	USD
CY2018	us-gaap	Investment Income Interest InvestmentIncomeInterest	2063000	USD
CY2016	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	124581000	USD
CY2017	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	131919000	USD
CY2018	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	138512000	USD
CY2017Q4	us-gaap	Liabilities Liabilities	602374000	USD
CY2018Q4	us-gaap	Liabilities Liabilities	579618000	USD
CY2017Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	1102433000	USD
CY2018Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	1181958000	USD
CY2017Q4	us-gaap	Liabilities Current LiabilitiesCurrent	225821000	USD
CY2018Q4	us-gaap	Liabilities Current LiabilitiesCurrent	269227000	USD
CY2016Q4	us-gaap	Liability For Future Policy Benefits LiabilityForFuturePolicyBenefits	65351000	USD
CY2017Q4	us-gaap	Liability For Future Policy Benefits LiabilityForFuturePolicyBenefits	72736000	USD
CY2018Q4	us-gaap	Liability For Future Policy Benefits LiabilityForFuturePolicyBenefits	80051000	USD
CY2017	us-gaap	Liability For Future Policy Benefits Contract Terminations1 LiabilityForFuturePolicyBenefitsContractTerminations1	1291000	USD
CY2018	us-gaap	Liability For Future Policy Benefits Contract Terminations1 LiabilityForFuturePolicyBenefitsContractTerminations1	1575000	USD
CY2017	us-gaap	Liability For Future Policy Benefits Payment For Benefits LiabilityForFuturePolicyBenefitsPaymentForBenefits	83300000	USD
CY2018	us-gaap	Liability For Future Policy Benefits Payment For Benefits LiabilityForFuturePolicyBenefitsPaymentForBenefits	82331000	USD
CY2017	us-gaap	Liability For Future Policy Benefits Period Increase Decrease LiabilityForFuturePolicyBenefitsPeriodIncreaseDecrease	89394000	USD
CY2018	us-gaap	Liability For Future Policy Benefits Period Increase Decrease LiabilityForFuturePolicyBenefitsPeriodIncreaseDecrease	88071000	USD
CY2017Q1	us-gaap	Litigation Settlement Amount Awarded To Other Party LitigationSettlementAmountAwardedToOtherParty	11000000	USD
CY2017Q4	us-gaap	Loans Receivable Net LoansReceivableNet	0	USD
CY2018Q4	us-gaap	Loans Receivable Net LoansReceivableNet	93000	USD
CY2018	us-gaap	Long Lived Assets Held For Sale Description LongLivedAssetsHeldForSaleDescription	1
CY2018Q4	us-gaap	Long Term Debt LongTermDebt	246080000	USD
CY2017Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	9939000	USD
CY2018Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	10105000	USD
CY2018Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal After Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive	108926000	USD
CY2018Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Next Twelve Months LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths	10105000	USD
CY2018Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive	3016000	USD
CY2018Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Four LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour	2904000	USD
CY2018Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Three LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree	110926000	USD
CY2018Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Two LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo	10203000	USD
CY2017Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	302990000	USD
CY2018Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	233135000	USD
CY2017Q4	us-gaap	Minority Interest MinorityInterest	7662000	USD
CY2018Q4	us-gaap	Minority Interest MinorityInterest	11405000	USD
CY2018	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	338000	USD
CY2017	us-gaap	Minority Interest Decrease From Redemptions MinorityInterestDecreaseFromRedemptions	-83000	USD
CY2018	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-70345000	USD
CY2016	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-210636000	USD
CY2016	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	152885000	USD
CY2017	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	18272000	USD
CY2017	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-106593000	USD
CY2018	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-151211000	USD
CY2016	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	73888000	USD
CY2017	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	72952000	USD
CY2018	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	210302000	USD
CY2016	us-gaap	Net Income Loss NetIncomeLoss	49990000	USD
CY2017	us-gaap	Net Income Loss NetIncomeLoss	40475000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	92364000	USD
CY2016	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	2853000	USD
CY2017	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	358000	USD
CY2018	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	164000	USD
CY2016	us-gaap	Noncash Or Part Noncash Divestiture Amount Of Consideration Received1 NoncashOrPartNoncashDivestitureAmountOfConsiderationReceived1	700000	USD
CY2017	us-gaap	Noncash Or Part Noncash Divestiture Amount Of Consideration Received1 NoncashOrPartNoncashDivestitureAmountOfConsiderationReceived1	0	USD
CY2018	us-gaap	Noncash Or Part Noncash Divestiture Amount Of Consideration Received1 NoncashOrPartNoncashDivestitureAmountOfConsiderationReceived1	126000	USD
CY2016	us-gaap	Noncontrolling Interest Increase From Business Combination NoncontrollingInterestIncreaseFromBusinessCombination	100000	USD
CY2016	us-gaap	Noncontrolling Interest Increase From Subsidiary Equity Issuance NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance	1325000	USD
CY2017	us-gaap	Noncontrolling Interest Increase From Subsidiary Equity Issuance NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance	1364000	USD
CY2018	us-gaap	Noncontrolling Interest Increase From Subsidiary Equity Issuance NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance	1378000	USD
CY2017Q4	us-gaap	Number Of Real Estate Properties NumberOfRealEstateProperties	63	facilities
CY2018Q4	us-gaap	Number Of Real Estate Properties NumberOfRealEstateProperties	72	facilities
CY2018	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	3	Segments
CY2016	us-gaap	Operating Income Loss OperatingIncomeLoss	91847000	USD
CY2017	us-gaap	Operating Income Loss OperatingIncomeLoss	81285000	USD
CY2018	us-gaap	Operating Income Loss OperatingIncomeLoss	128488000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due OperatingLeasesFutureMinimumPaymentsDue	1667951000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due Current OperatingLeasesFutureMinimumPaymentsDueCurrent	142497000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due In Five Years OperatingLeasesFutureMinimumPaymentsDueInFiveYears	137349000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due In Four Years OperatingLeasesFutureMinimumPaymentsDueInFourYears	139018000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due In Three Years OperatingLeasesFutureMinimumPaymentsDueInThreeYears	140524000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due In Two Years OperatingLeasesFutureMinimumPaymentsDueInTwoYears	141536000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due Thereafter OperatingLeasesFutureMinimumPaymentsDueThereafter	967027000	USD
CY2017Q4	us-gaap	Other Accrued Liabilities Current And Noncurrent OtherAccruedLiabilitiesCurrentAndNoncurrent	63815000	USD
CY2018Q4	us-gaap	Other Accrued Liabilities Current And Noncurrent OtherAccruedLiabilitiesCurrentAndNoncurrent	69784000	USD
CY2017Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	16501000	USD
CY2018Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	20844000	USD
CY2017Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	63815000	USD
CY2018Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	69784000	USD
CY2017Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	8625000	USD
CY2018Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	9356000	USD
CY2016	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-6029000	USD
CY2017	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-12007000	USD
CY2018	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-13119000	USD
CY2017Q4	us-gaap	Other Restricted Assets OtherRestrictedAssets	2327000	USD
CY2018Q4	us-gaap	Other Restricted Assets OtherRestrictedAssets	3196000	USD
CY2017Q4	us-gaap	Other Restricted Assets Noncurrent OtherRestrictedAssetsNoncurrent	16501000	USD
CY2018Q4	us-gaap	Other Restricted Assets Noncurrent OtherRestrictedAssetsNoncurrent	20844000	USD
CY2017Q4	us-gaap	Payments For Legal Settlements PaymentsForLegalSettlements	11000000	USD
CY2016	us-gaap	Payments For Proceeds From Deposits On Real Estate Acquisitions PaymentsForProceedsFromDepositsOnRealEstateAcquisitions	1582000	USD
CY2017	us-gaap	Payments For Proceeds From Deposits On Real Estate Acquisitions PaymentsForProceedsFromDepositsOnRealEstateAcquisitions	228000	USD
CY2018	us-gaap	Payments For Proceeds From Deposits On Real Estate Acquisitions PaymentsForProceedsFromDepositsOnRealEstateAcquisitions	7271000	USD
CY2016	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	30000000	USD
CY2017	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	7288000	USD
CY2018	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	1972000	USD
CY2016	us-gaap	Payments Of Dividends PaymentsOfDividends	8173000	USD
CY2017	us-gaap	Payments Of Dividends PaymentsOfDividends	8717000	USD
CY2018	us-gaap	Payments Of Dividends PaymentsOfDividends	9419000	USD
CY2016	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	3278000	USD
CY2017	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	2775000	USD
CY2018	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	18000	USD
CY2018	us-gaap	Payments To Acquire Businesses Gross PaymentsToAcquireBusinessesGross	4725000	USD
CY2016	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	64310000	USD
CY2017	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	89565000	USD
CY2018	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	4725000	USD
CY2016	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	65699000	USD
CY2017	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	57166000	USD
CY2018	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	54948000	USD
CY2016	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	0	USD
CY2017	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	83000	USD
CY2018	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	0	USD
CY2017Q4	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	28132000	USD
CY2018Q4	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	24130000	USD
CY2017Q4	us-gaap	Prepaid Taxes PrepaidTaxes	19447000	USD
CY2018Q4	us-gaap	Prepaid Taxes PrepaidTaxes	6219000	USD
CY2016	us-gaap	Proceeds From Divestiture Of Businesses ProceedsFromDivestitureOfBusinesses	40734000	USD
CY2017	us-gaap	Proceeds From Divestiture Of Businesses ProceedsFromDivestitureOfBusinesses	0	USD
CY2018	us-gaap	Proceeds From Divestiture Of Businesses ProceedsFromDivestitureOfBusinesses	0	USD
CY2016	us-gaap	Proceeds From Income Tax Refunds ProceedsFromIncomeTaxRefunds	0	USD
CY2017	us-gaap	Proceeds From Income Tax Refunds ProceedsFromIncomeTaxRefunds	0	USD
CY2018	us-gaap	Proceeds From Income Tax Refunds ProceedsFromIncomeTaxRefunds	11000000	USD
CY2016	us-gaap	Proceeds From Insurance Settlement Operating Activities ProceedsFromInsuranceSettlementOperatingActivities	0	USD
CY2017	us-gaap	Proceeds From Insurance Settlement Operating Activities ProceedsFromInsuranceSettlementOperatingActivities	477000	USD
CY2018	us-gaap	Proceeds From Insurance Settlement Operating Activities ProceedsFromInsuranceSettlementOperatingActivities	2568000	USD
CY2016	us-gaap	Proceeds From Issuance Of Secured Debt ProceedsFromIssuanceOfSecuredDebt	844000000	USD
CY2017	us-gaap	Proceeds From Issuance Of Secured Debt ProceedsFromIssuanceOfSecuredDebt	1022015000	USD
CY2018	us-gaap	Proceeds From Issuance Of Secured Debt ProceedsFromIssuanceOfSecuredDebt	845000000	USD
CY2016	us-gaap	Proceeds From Issuance Or Sale Of Equity ProceedsFromIssuanceOrSaleOfEquity	0	USD
CY2017	us-gaap	Proceeds From Issuance Or Sale Of Equity ProceedsFromIssuanceOrSaleOfEquity	0	USD
CY2018	us-gaap	Proceeds From Issuance Or Sale Of Equity ProceedsFromIssuanceOrSaleOfEquity	1972000	USD
CY2016	us-gaap	Proceeds From Payments To Minority Shareholders ProceedsFromPaymentsToMinorityShareholders	0	USD
CY2017	us-gaap	Proceeds From Payments To Minority Shareholders ProceedsFromPaymentsToMinorityShareholders	0	USD
CY2018	us-gaap	Proceeds From Payments To Minority Shareholders ProceedsFromPaymentsToMinorityShareholders	-338000	USD
CY2016	us-gaap	Proceeds From Sale Of Treasury Stock ProceedsFromSaleOfTreasuryStock	106000	USD
CY2017	us-gaap	Proceeds From Sale Of Treasury Stock ProceedsFromSaleOfTreasuryStock	0	USD
CY2018	us-gaap	Proceeds From Sale Of Treasury Stock ProceedsFromSaleOfTreasuryStock	0	USD
CY2016	us-gaap	Proceeds From Sales Of Assets Investing Activities ProceedsFromSalesOfAssetsInvestingActivities	391000	USD
CY2017	us-gaap	Proceeds From Sales Of Assets Investing Activities ProceedsFromSalesOfAssetsInvestingActivities	3215000	USD
CY2018	us-gaap	Proceeds From Sales Of Assets Investing Activities ProceedsFromSalesOfAssetsInvestingActivities	4772000	USD
CY2016	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	6563000	USD
CY2017	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	5274000	USD
CY2018	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	9369000	USD
CY2016	us-gaap	Profit Loss ProfitLoss	52843000	USD
CY2017	us-gaap	Profit Loss ProfitLoss	40833000	USD
CY2018	us-gaap	Profit Loss ProfitLoss	92528000	USD
CY2017Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	681177000	USD
CY2018Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	801605000	USD
CY2017Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	537084000	USD
CY2018Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	618874000	USD
CY2016	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	28512000	USD
CY2017	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	31023000	USD
CY2018	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	2823000	USD
CY2016	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	659514000	USD
CY2017	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	990154000	USD
CY2018	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	914939000	USD
CY2017Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	264691000	USD
CY2018Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	344901000	USD
CY2016	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1654864000	USD
CY2017	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1849317000	USD
CY2018	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	2040659000	USD
CY2016	us-gaap	Sale Leaseback Transaction Current Period Gain Recognized SaleLeasebackTransactionCurrentPeriodGainRecognized	0	USD
CY2017	us-gaap	Sale Leaseback Transaction Current Period Gain Recognized SaleLeasebackTransactionCurrentPeriodGainRecognized	421000	USD
CY2018	us-gaap	Sale Leaseback Transaction Current Period Gain Recognized SaleLeasebackTransactionCurrentPeriodGainRecognized	658000	USD
CY2017Q2	us-gaap	Sale Leaseback Transaction Deferred Gain Gross SaleLeasebackTransactionDeferredGainGross	13153000	USD
CY2017Q4	us-gaap	Sale Leaseback Transaction Deferred Gain Net SaleLeasebackTransactionDeferredGainNet	12075000	USD
CY2018Q4	us-gaap	Sale Leaseback Transaction Deferred Gain Net SaleLeasebackTransactionDeferredGainNet	11417000	USD
CY2017Q2	us-gaap	Sale Leaseback Transaction Gross Proceeds Investing Activities SaleLeasebackTransactionGrossProceedsInvestingActivities	38000000	USD
CY2017Q2	us-gaap	Sale Leaseback Transaction Historical Cost SaleLeasebackTransactionHistoricalCost	24847000	USD
CY2017Q2	us-gaap	Sale Leaseback Transaction Lease Terms SaleLeasebackTransactionLeaseTerms	20
CY2016	us-gaap	Sale Leaseback Transaction Net Proceeds Investing Activities SaleLeasebackTransactionNetProceedsInvestingActivities	0	USD
CY2017	us-gaap	Sale Leaseback Transaction Net Proceeds Investing Activities SaleLeasebackTransactionNetProceedsInvestingActivities	38000000	USD
CY2018	us-gaap	Sale Leaseback Transaction Net Proceeds Investing Activities SaleLeasebackTransactionNetProceedsInvestingActivities	0	USD
CY2017Q4	us-gaap	Security Deposit SecurityDeposit	5981000	USD
CY2018Q4	us-gaap	Security Deposit SecurityDeposit	8694000	USD
CY2017Q4	us-gaap	Self Insurance Reserve Current SelfInsuranceReserveCurrent	22516000	USD
CY2018Q4	us-gaap	Self Insurance Reserve Current SelfInsuranceReserveCurrent	25446000	USD
CY2017Q4	us-gaap	Self Insurance Reserve Noncurrent SelfInsuranceReserveNoncurrent	50220000	USD
CY2018Q4	us-gaap	Self Insurance Reserve Noncurrent SelfInsuranceReserveNoncurrent	54605000	USD
CY2016	us-gaap	Share Based Compensation ShareBasedCompensation	9101000	USD
CY2017	us-gaap	Share Based Compensation ShareBasedCompensation	9695000	USD
CY2018	us-gaap	Share Based Compensation ShareBasedCompensation	10337000	USD
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Award Vesting Period1 ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1	P5Y0M
CY2016	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeitures Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue	20.85
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeitures Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue	20.34
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeitures Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue	23.31
CY2016	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	20.55
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	20.21
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	35.19
CY2015Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber	425000	shares
CY2016Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber	429000	shares
CY2017Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber	383000	shares
CY2018Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber	573000	shares
CY2015Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue	19.79
CY2016Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue	20.42
CY2017Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue	20.65
CY2018Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue	29.31
CY2016	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod	279000	shares
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod	195000	shares
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod	153000	shares
CY2016	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue	19.58
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue	19.79
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue	22.68
CY2016	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.014	Rate
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.020	Rate
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.028	Rate
CY2016	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Weighted Average Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsWeightedAverageVolatilityRate	0.378	Rate
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Weighted Average Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsWeightedAverageVolatilityRate	0.352	Rate
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Weighted Average Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsWeightedAverageVolatilityRate	0.320	Rate
CY2015Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	6.35
CY2016Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	8.18
CY2017Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	10.07
CY2018Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	12.37
CY2016	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod	127000	shares
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod	178000	shares
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod	120000	shares
CY2016	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice	14.46
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice	15.82
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice	18.71
CY2016	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Grant Date Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGrantDateIntrinsicValue	0
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Grant Date Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGrantDateIntrinsicValue	0
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Grant Date Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGrantDateIntrinsicValue	0
CY2016	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	497000	shares
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	481000	shares
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	640000	shares
CY2016	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	7.00
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	7.00
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	12.05
CY2015Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	5448000	shares
CY2016Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	5176000	shares
CY2017Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	4739000	shares
CY2018Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	4188000	shares
CY2015Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	10.36
CY2016Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	11.62
CY2017Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	13.08
CY2018Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	17.35
CY2016	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	6.47
CY2017	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	6.93
CY2018	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	8.57
CY2016	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	19.43
CY2017	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	20.31
CY2018	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	34.53
CY2018Q4	us-gaap	Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Number Of Exercisable Options ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions	2431000	shares
CY2018Q4	us-gaap	Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Number Of Outstanding Options ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions	4188000	shares
CY2016	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P6Y4M
CY2017	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P6Y2M
CY2018	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P6Y2M
CY2018	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P5Y11M
CY2017Q4	us-gaap	Short Term Investments ShortTermInvestments	13092000	USD
CY2018Q4	us-gaap	Short Term Investments ShortTermInvestments	8682000	USD
CY2016	us-gaap	Stock Issued During Period Shares Restricted Stock Award Forfeited StockIssuedDuringPeriodSharesRestrictedStockAwardForfeited	16000	shares
CY2017	us-gaap	Stock Issued During Period Shares Restricted Stock Award Forfeited StockIssuedDuringPeriodSharesRestrictedStockAwardForfeited	24000	shares
CY2018	us-gaap	Stock Issued During Period Shares Restricted Stock Award Forfeited StockIssuedDuringPeriodSharesRestrictedStockAwardForfeited	24000	shares
CY2016	us-gaap	Stock Issued During Period Shares Restricted Stock Award Gross StockIssuedDuringPeriodSharesRestrictedStockAwardGross	299000	shares
CY2017	us-gaap	Stock Issued During Period Shares Restricted Stock Award Gross StockIssuedDuringPeriodSharesRestrictedStockAwardGross	173000	shares
CY2018	us-gaap	Stock Issued During Period Shares Restricted Stock Award Gross StockIssuedDuringPeriodSharesRestrictedStockAwardGross	367000	shares
CY2016	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	642000	shares
CY2017	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	740000	shares
CY2018	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	1071000	shares
CY2016	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	4152000	USD
CY2017	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	5128000	USD
CY2018	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	9182000	USD
CY2016	us-gaap	Stock Issued During Period Value Restricted Stock Award Gross StockIssuedDuringPeriodValueRestrictedStockAwardGross	2517000	USD
CY2017	us-gaap	Stock Issued During Period Value Restricted Stock Award Gross StockIssuedDuringPeriodValueRestrictedStockAwardGross	146000	USD
CY2018	us-gaap	Stock Issued During Period Value Restricted Stock Award Gross StockIssuedDuringPeriodValueRestrictedStockAwardGross	187000	USD
CY2017Q1	us-gaap	Stock Repurchase Program Expiration Date StockRepurchaseProgramExpirationDate	2018-02-08
CY2018Q2	us-gaap	Stock Repurchase Program Expiration Date StockRepurchaseProgramExpirationDate	2019-02-20
CY2017Q1	us-gaap	Stock Repurchase Program Period In Force1 StockRepurchaseProgramPeriodInForce1	P0Y12M
CY2018Q2	us-gaap	Stock Repurchase Program Period In Force1 StockRepurchaseProgramPeriodInForce1	P0Y11M
CY2016Q1	us-gaap	Stock Repurchase Program Period In Force1 StockRepurchaseProgramPeriodInForce1	P0Y12M
CY2016	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	30000000	USD
CY2017	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	7288000	USD
CY2017Q4	us-gaap	Stockholders Equity StockholdersEquity	492397000	USD
CY2018Q4	us-gaap	Stockholders Equity StockholdersEquity	590935000	USD
CY2015Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	426985000	USD
CY2016Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	460495000	USD
CY2017Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	500059000	USD
CY2018Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	602340000	USD
CY2017Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	1932000	shares
CY2018Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	1932000	shares
CY2017Q4	us-gaap	Treasury Stock Value TreasuryStockValue	38405000	USD
CY2018Q4	us-gaap	Treasury Stock Value TreasuryStockValue	38405000	USD
CY2017	us-gaap	Valuation Allowance Deferred Tax Asset Change In Amount ValuationAllowanceDeferredTaxAssetChangeInAmount	1000000	USD
CY2016	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	52133000	shares
CY2017	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	52829000	shares
CY2018	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	54397000	shares
CY2016	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	50555000	shares
CY2017	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	50932000	shares
CY2018	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	52016000	shares
CY2016	us-gaap	Write Off Of Deferred Debt Issuance Cost WriteOffOfDeferredDebtIssuanceCost	321000	USD
CY2017	us-gaap	Write Off Of Deferred Debt Issuance Cost WriteOffOfDeferredDebtIssuanceCost	0	USD
CY2018	us-gaap	Write Off Of Deferred Debt Issuance Cost WriteOffOfDeferredDebtIssuanceCost	0	USD
CY2018	us-gaap	Use Of Estimates UseOfEstimates	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:12px;text-align:justify;text-indent:32px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-style:italic;">Estimates and Assumptions —</font><font style="font-family:inherit;font-size:10pt;"> The preparation of Financial Statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the Financial Statements and the reported amounts of revenue and expenses during the reporting periods. The most significant estimates in the Company’s Financial Statements relate to revenue, intangible assets and goodwill, impairment of long-lived assets, general and professional liability, workers' compensation and healthcare claims included in accrued self-insurance liabilities, and income taxes. Actual results could differ from those estimates.</font></div></div>

Files In Submission

Name	View Source	Status
0001125376-19-000016-index-headers.html	Edgar Link	pending
0001125376-19-000016-index.html	Edgar Link	pending
0001125376-19-000016.txt	Edgar Link	pending
0001125376-19-000016-xbrl.zip	Edgar Link	pending
ensg-20181231.xml	Edgar Link	completed
ensg-20181231.xsd	Edgar Link	pending
ensg-20181231_cal.xml	Edgar Link	unprocessable
ensg-20181231_def.xml	Edgar Link	unprocessable
ensg-20181231_lab.xml	Edgar Link	unprocessable
ensg-20181231_pre.xml	Edgar Link	unprocessable
ensg123118ex211.htm	Edgar Link	pending
ensg123118ex231.htm	Edgar Link	pending
ensg123118ex321.htm	Edgar Link	pending
ensg1231201810k.htm	Edgar Link	pending
ensg12312018ex322.htm	Edgar Link	pending
ensgq42018ex311.htm	Edgar Link	pending
ensgq42018ex312.htm	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xlsx	Edgar Link	pending
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report.css	Edgar Link	pending
Show.js	Edgar Link	pending

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$ENSG
ENSIGN GROUP, INC Stock $ensg

2017 Q4 Form 10-K Financial Statement

#000112537619000016 Filed on February 06, 2019

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$ENSG ENSIGN GROUP, INC Stock $ensg

2017 Q4 Form 10-K Financial Statement

#000112537619000016 Filed on February 06, 2019

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$ENSG
ENSIGN GROUP, INC Stock $ensg