$HCSG
HEALTHCARE SERVICES GROUP INC Stock $hcsg

$hcsg Overview Financials Valuation SEC Filings Company Website

2017 Q4 Form 10-K Financial Statement

#000073101218000032 Filed on February 23, 2018

Income Statement

Concept	2017 Q4	2017 Q3	2017 Q2
Revenue	$499.4M	$491.4M	$470.9M
YoY Change	25.3%	25.11%	21.81%
Cost Of Revenue	$430.8M	$426.9M	$407.3M
YoY Change	26.37%	26.93%	22.61%
Gross Profit	$63.70M	$64.43M	$63.55M
YoY Change	10.4%	14.25%	16.95%
Gross Profit Margin	12.76%	13.11%	13.5%
Selling, General & Admin	$33.60M	$32.94M	$31.99M
YoY Change	23.53%	21.18%	24.65%
% of Gross Profit	52.75%	51.12%	50.34%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$2.600M	$1.100M	$1.300M
YoY Change	36.84%	0.0%	0.0%
% of Gross Profit	4.08%	1.71%	2.05%
Operating Expenses	$33.60M	$32.94M	$31.99M
YoY Change	23.53%	21.18%	24.65%
Operating Profit	$30.10M	$31.49M	$31.56M
YoY Change	-1.31%	7.8%	10.05%
Interest Expense	$4.600M	$1.400M	$1.500M
YoY Change	4500.0%	0.0%	50.0%
% of Operating Profit	15.28%	4.45%	4.75%
Other Income/Expense, Net
YoY Change
Pretax Income	$34.68M	$32.93M	$33.08M
YoY Change	13.59%	7.72%	11.44%
Income Tax	$14.50M	$9.458M	$10.53M
% Of Pretax Income	41.81%	28.72%	31.82%
Net Earnings	$20.19M	$23.47M	$22.55M
YoY Change	-0.56%	19.08%	20.21%
Net Earnings / Revenue	4.04%	4.78%	4.79%
Basic Earnings Per Share	$0.27	$0.32	$0.31
Diluted Earnings Per Share	$0.27	$0.31	$0.30
COMMON SHARES
Basic Shares Outstanding	73.27M shares	73.46M shares	73.28M shares
Diluted Shares Outstanding		74.54M shares	74.27M shares

Balance Sheet

Concept	2017 Q4	2017 Q3	2017 Q2
SHORT-TERM ASSETS
Cash & Short-Term Investments	$82.80M	$81.40M	$77.10M
YoY Change	-9.61%	-22.48%	-23.36%
Cash & Equivalents	$9.557M	$11.01M	$7.058M
Short-Term Investments	$73.20M	$70.40M	$70.10M
Other Short-Term Assets	$23.50M	$25.60M	$20.10M
YoY Change	67.86%	56.1%	23.31%
Inventory	$42.40M	$41.50M	$40.60M
Prepaid Expenses	$23.52M	$25.63M	$20.05M
Receivables	$378.7M	$367.0M	$338.4M
Other Receivables	$0.00	$0.00	$0.00
Total Short-Term Assets	$527.4M	$515.5M	$476.2M
YoY Change	27.2%	21.46%	16.06%
LONG-TERM ASSETS
Property, Plant & Equipment	$13.51M	$13.50M	$13.40M
YoY Change	0.4%	1.69%	-0.64%
Goodwill	$51.08M	$51.08M	$50.47M
YoY Change	14.96%	14.96%	13.58%
Intangibles
YoY Change
Long-Term Investments
YoY Change
Other Assets	$1.264M	$1.264M	$1.269M
YoY Change	2533.33%	2533.33%	2784.09%
Total Long-Term Assets	$148.6M	$146.0M	$139.6M
YoY Change	30.55%	29.95%	24.33%
TOTAL ASSETS
Total Short-Term Assets	$527.4M	$515.5M	$476.2M
Total Long-Term Assets	$148.6M	$146.0M	$139.6M
Total Assets	$676.0M	$661.5M	$615.7M
YoY Change	27.92%	23.23%	17.84%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$74.46M	$62.32M	$69.20M
YoY Change	73.52%	57.66%	54.26%
Accrued Expenses	$58.90M	$77.30M	$49.10M
YoY Change	17.1%	15.72%	-10.4%
Deferred Revenue
YoY Change
Short-Term Debt	$35.40M	$25.00M	$16.20M
YoY Change
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$184.2M	$175.4M	$146.9M
YoY Change	82.58%	51.62%	34.97%
LONG-TERM LIABILITIES
Long-Term Debt	$0.00	$0.00	$0.00
YoY Change
Other Long-Term Liabilities	$91.90M	$95.70M	$92.70M
YoY Change	3.61%	6.22%	1.87%
Total Long-Term Liabilities	$91.90M	$95.70M	$92.70M
YoY Change	3.61%	6.22%	1.87%
TOTAL LIABILITIES
Total Short-Term Liabilities	$184.2M	$175.4M	$146.9M
Total Long-Term Liabilities	$91.90M	$95.70M	$92.70M
Total Liabilities	$276.1M	$271.1M	$239.7M
YoY Change	45.62%	31.79%	19.97%
SHAREHOLDERS EQUITY
Retained Earnings	$163.9M	$157.7M	$148.1M
YoY Change	25.14%	27.02%	25.73%
Common Stock	$245.1M	$241.8M	$237.0M
YoY Change	12.23%	11.78%	10.77%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$9.858M	$9.822M	$9.840M
YoY Change	-3.21%	-7.44%	-8.36%
Treasury Stock Shares	1.524M shares	1.525M shares	1.535M shares
Shareholders Equity	$400.0M	$390.5M	$376.1M
YoY Change
Total Liabilities & Shareholders Equity	$676.0M	$661.5M	$615.7M
YoY Change	27.92%	23.23%	17.84%

Cashflow Statement

Concept	2017 Q4	2017 Q3	2017 Q2
OPERATING ACTIVITIES
Net Income	$20.19M	$23.47M	$22.55M
YoY Change	-0.56%	19.08%	20.21%
Depreciation, Depletion And Amortization	$2.600M	$1.100M	$1.300M
YoY Change	36.84%	0.0%	0.0%
Cash From Operating Activities	$4.500M	$9.700M	-$41.20M
YoY Change	28.57%	-45.2%	-492.38%
INVESTING ACTIVITIES
Capital Expenditures	-$1.400M	-$1.300M	-$1.400M
YoY Change	-6.67%	44.44%	-6.67%
Acquisitions
YoY Change
Other Investing Activities	-$3.500M	-$2.400M	-$3.700M
YoY Change	-137.23%	9.09%	-38.33%
Cash From Investing Activities	-$4.900M	-$3.800M	-$4.900M
YoY Change	-162.82%	22.58%	-34.67%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-1.100M	-2.000M	5.000M
YoY Change	-90.76%	-83.19%	-148.08%
NET CHANGE
Cash From Operating Activities	4.500M	9.700M	-41.20M
Cash From Investing Activities	-4.900M	-3.800M	-4.900M
Cash From Financing Activities	-1.100M	-2.000M	5.000M
Net Change In Cash	-1.500M	3.900M	-41.10M
YoY Change	150.0%	44.44%	455.41%
FREE CASH FLOW
Cash From Operating Activities	$4.500M	$9.700M	-$41.20M
Capital Expenditures	-$1.400M	-$1.300M	-$1.400M
Free Cash Flow	$5.900M	$11.00M	-$39.80M
YoY Change	18.0%	-40.86%	-431.67%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2017	dei	Amendment Flag AmendmentFlag	false
CY2017	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2017	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2017	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2017
CY2017	dei	Document Period End Date DocumentPeriodEndDate	2017-12-31
CY2017	dei	Document Type DocumentType	10-K
CY2017	dei	Entity Central Index Key EntityCentralIndexKey	0000731012
CY2018Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	73679000	shares
CY2017	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2017	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2017Q2	dei	Entity Public Float EntityPublicFloat	2490000000	USD
CY2017	dei	Entity Registrant Name EntityRegistrantName	HEALTHCARE SERVICES GROUP INC
CY2017	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2017	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2016Q4	hcsg	Concentration Risk Numberof Financial Institutions Holding Cashand Cash Equivalentsand Marketable Securities ConcentrationRiskNumberofFinancialInstitutionsHoldingCashandCashEquivalentsandMarketableSecurities	1	financial_institution
CY2017Q4	hcsg	Concentration Risk Numberof Financial Institutions Holding Cashand Cash Equivalentsand Marketable Securities ConcentrationRiskNumberofFinancialInstitutionsHoldingCashandCashEquivalentsandMarketableSecurities	1	financial_institution
CY2015	hcsg	Decrease In Impaired Notes Receivable DecreaseInImpairedNotesReceivable	4132000	USD
CY2016	hcsg	Decrease In Impaired Notes Receivable DecreaseInImpairedNotesReceivable	786000	USD
CY2017	hcsg	Decrease In Impaired Notes Receivable DecreaseInImpairedNotesReceivable	0	USD
CY2015	hcsg	Decrease In Reserved For Impaired Notes Receivable DecreaseInReservedForImpairedNotesReceivable	991000	USD
CY2016	hcsg	Decrease In Reserved For Impaired Notes Receivable DecreaseInReservedForImpairedNotesReceivable	0	USD
CY2017	hcsg	Decrease In Reserved For Impaired Notes Receivable DecreaseInReservedForImpairedNotesReceivable	0	USD
CY2015	hcsg	Deferred Income Tax Expense Benefit Excluding Tax Benefit From Equity Compensation Plans DeferredIncomeTaxExpenseBenefitExcludingTaxBenefitFromEquityCompensationPlans	17842000	USD
CY2016	hcsg	Deferred Income Tax Expense Benefit Excluding Tax Benefit From Equity Compensation Plans DeferredIncomeTaxExpenseBenefitExcludingTaxBenefitFromEquityCompensationPlans	3001000	USD
CY2017	hcsg	Deferred Income Tax Expense Benefit Excluding Tax Benefit From Equity Compensation Plans DeferredIncomeTaxExpenseBenefitExcludingTaxBenefitFromEquityCompensationPlans	1887000	USD
CY2016Q4	hcsg	Deferred Tax Assets Liabilities Intangible Assets DeferredTaxAssetsLiabilitiesIntangibleAssets	624000	USD
CY2017Q4	hcsg	Deferred Tax Assets Accrued Insurance Claims DeferredTaxAssetsAccruedInsuranceClaims	3665000	USD
CY2016Q4	hcsg	Deferred Tax Assets Accrued Insurance Claims DeferredTaxAssetsAccruedInsuranceClaims	5862000	USD
CY2017Q4	hcsg	Deferred Tax Assets Liabilities Intangible Assets DeferredTaxAssetsLiabilitiesIntangibleAssets	162000	USD
CY2016Q4	hcsg	Deferred Tax Liabilities Expensing Of Housekeeping Supplies DeferredTaxLiabilitiesExpensingOfHousekeepingSupplies	6752000	USD
CY2017Q4	hcsg	Deferred Tax Liabilities Expensing Of Housekeeping Supplies DeferredTaxLiabilitiesExpensingOfHousekeepingSupplies	4678000	USD
CY2016Q4	hcsg	Discounted Notes Receivable DiscountedNotesReceivable	5700000	USD
CY2017Q4	hcsg	Discounted Notes Receivable DiscountedNotesReceivable	6800000	USD
CY2017	hcsg	Effective Income Tax Rate Reconciliation Sharebased Compensation Excess Tax Benefit Amount EffectiveIncomeTaxRateReconciliationSharebasedCompensationExcessTaxBenefitAmount	5700000	USD
CY2015	hcsg	Increase Decrease In Deferred Compensation Funding IncreaseDecreaseInDeferredCompensationFunding	649000	USD
CY2016	hcsg	Increase Decrease In Deferred Compensation Funding IncreaseDecreaseInDeferredCompensationFunding	-2732000	USD
CY2017	hcsg	Increase Decrease In Deferred Compensation Funding IncreaseDecreaseInDeferredCompensationFunding	257000	USD
CY2015	hcsg	Increase In Impaired Notes Receivable IncreaseInImpairedNotesReceivable	395000	USD
CY2016	hcsg	Increase In Impaired Notes Receivable IncreaseInImpairedNotesReceivable	0	USD
CY2017	hcsg	Increase In Impaired Notes Receivable IncreaseInImpairedNotesReceivable	1169000	USD
CY2015	hcsg	Increase In Reserved For Impaired Notes Receivable IncreaseInReservedForImpairedNotesReceivable	99000	USD
CY2016	hcsg	Increase In Reserved For Impaired Notes Receivable IncreaseInReservedForImpairedNotesReceivable	280000	USD
CY2017	hcsg	Increase In Reserved For Impaired Notes Receivable IncreaseInReservedForImpairedNotesReceivable	465000	USD
CY2017	hcsg	Line Of Credit Facility Number Of Financial Covenants LineOfCreditFacilityNumberOfFinancialCovenants	1	financial_covenant
CY2017	hcsg	Lineof Credit Facility Increase Decrease Remaining Borrowing Capacity LineofCreditFacilityIncreaseDecreaseRemainingBorrowingCapacity	-77600000	USD
CY2016Q4	hcsg	Notes Receivable Impaired Nonperforming NotesReceivableImpairedNonperforming	5700000	USD
CY2017Q4	hcsg	Notes Receivable Impaired Nonperforming NotesReceivableImpairedNonperforming	6900000	USD
CY2017	hcsg	Percentage Of Revenue From Major Customer PercentageOfRevenueFromMajorCustomer	0.176
CY2017	hcsg	Period Of Amortization Of Inventories And Supplies PeriodOfAmortizationOfInventoriesAndSupplies	P24M
CY2015	hcsg	Provision For Doubtful Accounts Percentage Of Revenue ProvisionForDoubtfulAccountsPercentageOfRevenue	0.003
CY2016	hcsg	Provision For Doubtful Accounts Percentage Of Revenue ProvisionForDoubtfulAccountsPercentageOfRevenue	0.003
CY2017	hcsg	Provision For Doubtful Accounts Percentage Of Revenue ProvisionForDoubtfulAccountsPercentageOfRevenue	0.003
CY2015	hcsg	Related Party Transaction Fees Paid Related Party As Percentage Of Overall Related Party Revenues RelatedPartyTransactionFeesPaidRelatedPartyAsPercentageOfOverallRelatedPartyRevenues	0.05
CY2016	hcsg	Related Party Transaction Fees Paid Related Party As Percentage Of Overall Related Party Revenues RelatedPartyTransactionFeesPaidRelatedPartyAsPercentageOfOverallRelatedPartyRevenues	0.05
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CY2017	hcsg	Service Agreements Duration Of Service ServiceAgreementsDurationOfService	P1Y
CY2017	hcsg	Share Based Compensation Arrangement By Share Based Payment Award Maximum Term Of Grants ShareBasedCompensationArrangementByShareBasedPaymentAwardMaximumTermOfGrants	P10Y
CY2015	hcsg	Share Based Compensation Shares Authorized Under Stock Option Plan Exercise Price Range Exercisable Options Weighted Average Exercise Price ShareBasedCompensationSharesAuthorizedUnderStockOptionPlanExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice	29.34
CY2016	hcsg	Share Based Compensation Shares Authorized Under Stock Option Plan Exercise Price Range Exercisable Options Weighted Average Exercise Price ShareBasedCompensationSharesAuthorizedUnderStockOptionPlanExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice	34.14
CY2017	hcsg	Share Based Compensation Shares Authorized Under Stock Option Plan Exercise Price Range Exercisable Options Weighted Average Exercise Price ShareBasedCompensationSharesAuthorizedUnderStockOptionPlanExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice	39.38
CY2015	hcsg	Unrealized Gain Loss On Securities Related To Deferred Compensation Fund UnrealizedGainLossOnSecuritiesRelatedToDeferredCompensationFund	-24000	USD
CY2016	hcsg	Unrealized Gain Loss On Securities Related To Deferred Compensation Fund UnrealizedGainLossOnSecuritiesRelatedToDeferredCompensationFund	1460000	USD
CY2017	hcsg	Unrealized Gain Loss On Securities Related To Deferred Compensation Fund UnrealizedGainLossOnSecuritiesRelatedToDeferredCompensationFund	4509000	USD
CY2017	hcsg	Workers Compensation Percent Of Liabilities WorkersCompensationPercentOfLiabilities	0.307
CY2016Q4	us-gaap	Accounts Notes And Loans Receivable Net Current AccountsNotesAndLoansReceivableNetCurrent	271276000	USD
CY2017Q4	us-gaap	Accounts Notes And Loans Receivable Net Current AccountsNotesAndLoansReceivableNetCurrent	378720000	USD
CY2016Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	42912000	USD
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CY2016Q4	us-gaap	Accrued Income Taxes Current AccruedIncomeTaxesCurrent	7686000	USD
CY2017Q4	us-gaap	Accrued Income Taxes Current AccruedIncomeTaxesCurrent	15378000	USD
CY2016Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	20564000	USD
CY2017Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	22495000	USD
CY2016Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-319000	USD
CY2017Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	837000	USD
CY2016Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	217664000	USD
CY2017Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	244363000	USD
CY2015	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	3033000	USD
CY2016	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	3743000	USD
CY2017	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	4945000	USD
CY2015	us-gaap	Adjustments To Additional Paid In Capital Tax Effect From Share Based Compensation AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation	1873000	USD
CY2016	us-gaap	Adjustments To Additional Paid In Capital Tax Effect From Share Based Compensation AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation	2773000	USD
CY2015	us-gaap	Advertising Expense AdvertisingExpense	0	USD
CY2016	us-gaap	Advertising Expense AdvertisingExpense	0	USD
CY2017	us-gaap	Advertising Expense AdvertisingExpense	0	USD
CY2015	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	3541000	USD
CY2016	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	4252000	USD
CY2017	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	5985000	USD
CY2016Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	6911000	USD
CY2017Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	11985000	USD
CY2015	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	3200000	USD
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CY2015	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	900000	shares
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CY2017	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	1000	shares
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CY2015Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	869000	USD
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CY2017Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	197000	USD
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CY2016Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2017Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2017Q4	us-gaap	Common Stock Capital Shares Reserved For Future Issuance CommonStockCapitalSharesReservedForFutureIssuance	3200000	shares
CY2017Q1	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.18625
CY2017Q2	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.18750
CY2017Q3	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.18875
CY2017Q4	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.19000
CY2015	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.7175
CY2016Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.1825
CY2016Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.18375
CY2016Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.185
CY2016Q4	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.18625
CY2016	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.7375
CY2017Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.1875
CY2017Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.18875
CY2017Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.19
CY2017Q4	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.19125
CY2017	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.7575
CY2016Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2017Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2016Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	100000000	shares
CY2017Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	100000000	shares
CY2016Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	74204000	shares
CY2017Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	74960000	shares
CY2016Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	72601000	shares
CY2017Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	73436000	shares
CY2016Q4	us-gaap	Common Stock Value CommonStockValue	742000	USD
CY2017Q4	us-gaap	Common Stock Value CommonStockValue	750000	USD
CY2015	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	58542000	USD
CY2016	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	76534000	USD
CY2017	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	89382000	USD
CY2015	us-gaap	Cost Of Services CostOfServices	1236108000	USD
CY2016	us-gaap	Cost Of Services CostOfServices	1339492000	USD
CY2017	us-gaap	Cost Of Services CostOfServices	1612510000	USD
CY2015	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	11917000	USD
CY2016	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	33032000	USD
CY2017	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	35673000	USD
CY2015	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	14090000	USD
CY2016	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	39990000	USD
CY2017	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	42852000	USD
CY2015	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	2173000	USD
CY2016	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	6958000	USD
CY2017	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	7179000	USD
CY2016Q4	us-gaap	Deferred Compensation Liability Classified Noncurrent DeferredCompensationLiabilityClassifiedNoncurrent	24653000	USD
CY2017Q4	us-gaap	Deferred Compensation Liability Classified Noncurrent DeferredCompensationLiabilityClassifiedNoncurrent	29429000	USD
CY2016Q4	us-gaap	Deferred Compensation Plan Assets DeferredCompensationPlanAssets	24119000	USD
CY2017Q4	us-gaap	Deferred Compensation Plan Assets DeferredCompensationPlanAssets	28885000	USD
CY2015	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	13646000	USD
CY2016	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	2163000	USD
CY2017	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	2924000	USD
CY2016Q4	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	9822000	USD
CY2017Q4	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	7498000	USD
CY2015	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	17650000	USD
CY2016	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	3001000	USD
CY2017	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	1887000	USD
CY2016Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	9983000	USD
CY2017Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	7268000	USD
CY2015	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	4004000	USD
CY2016	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	838000	USD
CY2017	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-1037000	USD
CY2016Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	19805000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	14766000	USD
CY2016Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	9822000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	7498000	USD
CY2016Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits	8532000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits	6601000	USD
CY2016Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Other DeferredTaxAssetsTaxDeferredExpenseOther	858000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Other DeferredTaxAssetsTaxDeferredExpenseOther	662000	USD
CY2016Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals	1257000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals	567000	USD
CY2016Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Allowance For Doubtful Accounts DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts	2672000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Allowance For Doubtful Accounts DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts	3109000	USD
CY2016Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	663000	USD
CY2017Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	845000	USD
CY2016Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	2568000	USD
CY2017Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	1745000	USD
CY2017	us-gaap	Defined Contribution Plan Maximum Annual Contributions Per Employee Percent DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent	0.15
CY2015	us-gaap	Depreciation Depreciation	4400000	USD
CY2016	us-gaap	Depreciation Depreciation	4800000	USD
CY2017	us-gaap	Depreciation Depreciation	5000000	USD
CY2015	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	7660000	USD
CY2016	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	7496000	USD
CY2017	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	8886000	USD
CY2015	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	51375000	USD
CY2016	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	53342000	USD
CY2017	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	55306000	USD
CY2015	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.81
CY2016Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.26
CY2016Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.26
CY2016Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.27
CY2017Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.31
CY2017Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.32
CY2016Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.28
CY2016	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.06
CY2017Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.30
CY2017Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.27
CY2017	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.20
CY2015	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.80
CY2016Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.26
CY2016Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.26
CY2016Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.27
CY2016Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.28
CY2016	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.05
CY2017Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.30
CY2017Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.30
CY2017Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.31
CY2017Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.27
CY2017	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.19
CY2016Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	22303000	USD
CY2017Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	32139000	USD
CY2017Q4	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized	11400000	USD
CY2017	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition1 EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1	P2Y8M12D
CY2015	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	1873000	USD
CY2016	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	2773000	USD
CY2017	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	5709000	USD
CY2017	us-gaap	Employee Service Share Based Compensation Tax Benefit From Exercise Of Stock Options EmployeeServiceShareBasedCompensationTaxBenefitFromExerciseOfStockOptions	5300000	USD
CY2015	us-gaap	Excess Tax Benefit From Share Based Compensation Financing Activities ExcessTaxBenefitFromShareBasedCompensationFinancingActivities	1873000	USD
CY2016	us-gaap	Excess Tax Benefit From Share Based Compensation Financing Activities ExcessTaxBenefitFromShareBasedCompensationFinancingActivities	2981000	USD
CY2017	us-gaap	Excess Tax Benefit From Share Based Compensation Financing Activities ExcessTaxBenefitFromShareBasedCompensationFinancingActivities	0	USD
CY2014Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	3031000	USD
CY2015Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	2139000	USD
CY2016Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	2419000	USD
CY2017Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	2884000	USD
CY2016Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	14672000	USD
CY2017Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	12853000	USD
CY2017Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense After Year Five FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive	9859000	USD
CY2017Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	4364000	USD
CY2017Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	4165000	USD
CY2017Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	4165000	USD
CY2017Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	4165000	USD
CY2017Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	4165000	USD
CY2016Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	14409000	USD
CY2017Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	30881000	USD
CY2016Q4	us-gaap	Goodwill Goodwill	44438000	USD
CY2017Q4	us-gaap	Goodwill Goodwill	51084000	USD
CY2015	us-gaap	Goodwill And Intangible Asset Impairment GoodwillAndIntangibleAssetImpairment	0	USD
CY2016	us-gaap	Goodwill And Intangible Asset Impairment GoodwillAndIntangibleAssetImpairment	0	USD
CY2014Q4	us-gaap	Impaired Financing Receivable Recorded Investment ImpairedFinancingReceivableRecordedInvestment	10208000	USD
CY2016	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	6078000	USD
CY2017	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	6270000	USD
CY2015Q4	us-gaap	Impaired Financing Receivable Recorded Investment ImpairedFinancingReceivableRecordedInvestment	6471000	USD
CY2016Q4	us-gaap	Impaired Financing Receivable Recorded Investment ImpairedFinancingReceivableRecordedInvestment	5685000	USD
CY2015	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	8340000	USD
CY2017	us-gaap	Goodwill And Intangible Asset Impairment GoodwillAndIntangibleAssetImpairment	0	USD
CY2017Q4	us-gaap	Impaired Financing Receivable Recorded Investment ImpairedFinancingReceivableRecordedInvestment	6854000	USD
CY2016	us-gaap	Impairment Of Investments ImpairmentOfInvestments	0	USD
CY2017	us-gaap	Impairment Of Investments ImpairmentOfInvestments	0	USD
CY2015	us-gaap	Impairment Of Investments ImpairmentOfInvestments	0	USD
CY2015	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	89764000	USD
CY2016Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	29604000	USD
CY2016Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	29683000	USD
CY2016Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	30571000	USD
CY2016Q4	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	30529000	USD
CY2016	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	120387000	USD
CY2017Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	32279000	USD
CY2017Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	33078000	USD
CY2017Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	32930000	USD
CY2017Q4	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	34678000	USD
CY2017	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	132965000	USD
CY2015	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	31740000	USD
CY2016	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	42991000	USD
CY2017	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	44739000	USD
CY2017Q4	us-gaap	Income Tax Expense Benefit Continuing Operations Adjustment Of Deferred Tax Asset Liability IncomeTaxExpenseBenefitContinuingOperationsAdjustmentOfDeferredTaxAssetLiability	4500000	USD
CY2015	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	31418000	USD
CY2016	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	42136000	USD
CY2017	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	46538000	USD
CY2015	us-gaap	Income Tax Reconciliation Minority Interest Income Expense IncomeTaxReconciliationMinorityInterestIncomeExpense	132000	USD
CY2016	us-gaap	Income Tax Reconciliation Minority Interest Income Expense IncomeTaxReconciliationMinorityInterestIncomeExpense	457000	USD
CY2017	us-gaap	Income Tax Reconciliation Minority Interest Income Expense IncomeTaxReconciliationMinorityInterestIncomeExpense	568000	USD
CY2015	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	339000	USD
CY2016	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	798000	USD
CY2017	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-699000	USD
CY2015	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	4015000	USD
CY2016	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	5064000	USD
CY2017	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	3661000	USD
CY2015	us-gaap	Income Tax Reconciliation Tax Credits IncomeTaxReconciliationTaxCredits	3900000	USD
CY2016	us-gaap	Income Tax Reconciliation Tax Credits IncomeTaxReconciliationTaxCredits	4550000	USD
CY2017	us-gaap	Income Tax Reconciliation Tax Credits IncomeTaxReconciliationTaxCredits	4193000	USD
CY2015	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	7901000	USD
CY2016	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	32532000	USD
CY2017	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	35367000	USD
CY2015	us-gaap	Increase Decrease In Accounts And Notes Receivable IncreaseDecreaseInAccountsAndNotesReceivable	18854000	USD
CY2016	us-gaap	Increase Decrease In Accounts And Notes Receivable IncreaseDecreaseInAccountsAndNotesReceivable	65610000	USD
CY2017	us-gaap	Increase Decrease In Accounts And Notes Receivable IncreaseDecreaseInAccountsAndNotesReceivable	121639000	USD
CY2015	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	5997000	USD
CY2016	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	7455000	USD
CY2017	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	13401000	USD
CY2015	us-gaap	Increase Decrease In Deferred Compensation IncreaseDecreaseInDeferredCompensation	1113000	USD
CY2016	us-gaap	Increase Decrease In Deferred Compensation IncreaseDecreaseInDeferredCompensation	-731000	USD
CY2017	us-gaap	Increase Decrease In Deferred Compensation IncreaseDecreaseInDeferredCompensation	5061000	USD
CY2015	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	846000	USD
CY2016	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	1492000	USD
CY2017	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	1873000	USD
CY2015	us-gaap	Increase Decrease In Other Accounts Payable And Accrued Liabilities IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities	2403000	USD
CY2016	us-gaap	Increase Decrease In Other Accounts Payable And Accrued Liabilities IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities	-4251000	USD
CY2017	us-gaap	Increase Decrease In Other Accounts Payable And Accrued Liabilities IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities	11197000	USD
CY2016	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	2470000	USD
CY2015	us-gaap	Increase Decrease In Other Employee Related Liabilities IncreaseDecreaseInOtherEmployeeRelatedLiabilities	-28314000	USD
CY2017	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	9545000	USD
CY2015	us-gaap	Increase Decrease In Workers Compensation Liabilities IncreaseDecreaseInWorkersCompensationLiabilities	13987000	USD
CY2016	us-gaap	Increase Decrease In Workers Compensation Liabilities IncreaseDecreaseInWorkersCompensationLiabilities	5404000	USD
CY2016	us-gaap	Increase Decrease In Other Employee Related Liabilities IncreaseDecreaseInOtherEmployeeRelatedLiabilities	6307000	USD
CY2017	us-gaap	Increase Decrease In Other Employee Related Liabilities IncreaseDecreaseInOtherEmployeeRelatedLiabilities	11927000	USD
CY2015	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	1710000	USD
CY2017	us-gaap	Increase Decrease In Workers Compensation Liabilities IncreaseDecreaseInWorkersCompensationLiabilities	-2954000	USD
CY2015	us-gaap	Incremental Common Shares Attributable To Contingently Issuable Shares IncrementalCommonSharesAttributableToContingentlyIssuableShares	686000	shares
CY2016	us-gaap	Incremental Common Shares Attributable To Contingently Issuable Shares IncrementalCommonSharesAttributableToContingentlyIssuableShares	720000	shares
CY2017	us-gaap	Incremental Common Shares Attributable To Contingently Issuable Shares IncrementalCommonSharesAttributableToContingentlyIssuableShares	993000	shares
CY2015	us-gaap	Interest Paid InterestPaid	258000	USD
CY2016	us-gaap	Interest Paid InterestPaid	574000	USD
CY2017	us-gaap	Interest Paid InterestPaid	1363000	USD
CY2015	us-gaap	Investment Income Amortization Of Premium InvestmentIncomeAmortizationOfPremium	681000	USD
CY2016	us-gaap	Investment Income Amortization Of Premium InvestmentIncomeAmortizationOfPremium	1723000	USD
CY2017	us-gaap	Investment Income Amortization Of Premium InvestmentIncomeAmortizationOfPremium	1296000	USD
CY2015	us-gaap	Investment Income Nonoperating InvestmentIncomeNonoperating	712000	USD
CY2016	us-gaap	Investment Income Nonoperating InvestmentIncomeNonoperating	2634000	USD
CY2017	us-gaap	Investment Income Nonoperating InvestmentIncomeNonoperating	6076000	USD
CY2016Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	528446000	USD
CY2017Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	676003000	USD
CY2016Q4	us-gaap	Liabilities Current LiabilitiesCurrent	100871000	USD
CY2017Q4	us-gaap	Liabilities Current LiabilitiesCurrent	184168000	USD
CY2016Q4	us-gaap	Line Of Credit LineOfCredit	0	USD
CY2017Q4	us-gaap	Line Of Credit LineOfCredit	35382000	USD
CY2017Q4	us-gaap	Line Of Credit LineOfCredit	35400000	USD
CY2017Q4	us-gaap	Line Of Credit Facility Maximum Borrowing Capacity LineOfCreditFacilityMaximumBorrowingCapacity	300000000	USD
CY2017Q4	us-gaap	Line Of Credit Facility Remaining Borrowing Capacity LineOfCreditFacilityRemainingBorrowingCapacity	187000000	USD
CY2016Q4	us-gaap	Marketable Securities Current MarketableSecuritiesCurrent	67730000	USD
CY2017Q4	us-gaap	Marketable Securities Current MarketableSecuritiesCurrent	73221000	USD
CY2017	us-gaap	Marketable Securities Unrealized Gain Loss MarketableSecuritiesUnrealizedGainLoss	1100000	USD
CY2015	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-43138000	USD
CY2016	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-44284000	USD
CY2017	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-6959000	USD
CY2015	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-62314000	USD
CY2016	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-6452000	USD
CY2017	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-14967000	USD
CY2015	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	63361000	USD
CY2016	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	41400000	USD
CY2017	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	7630000	USD
CY2015	us-gaap	Net Income Loss NetIncomeLoss	58024000	USD
CY2016Q1	us-gaap	Net Income Loss NetIncomeLoss	18626000	USD
CY2016Q2	us-gaap	Net Income Loss NetIncomeLoss	18760000	USD
CY2016Q3	us-gaap	Net Income Loss NetIncomeLoss	19711000	USD
CY2016Q4	us-gaap	Net Income Loss NetIncomeLoss	20299000	USD
CY2016	us-gaap	Oci Before Reclassifications Net Of Tax Attributable To Parent OciBeforeReclassificationsNetOfTaxAttributableToParent	-1005000	USD
CY2017	us-gaap	Oci Before Reclassifications Net Of Tax Attributable To Parent OciBeforeReclassificationsNetOfTaxAttributableToParent	1149000	USD
CY2016Q1	us-gaap	Operating Costs And Expenses OperatingCostsAndExpenses	355390000	USD
CY2016	us-gaap	Net Income Loss NetIncomeLoss	77396000	USD
CY2017Q1	us-gaap	Net Income Loss NetIncomeLoss	22017000	USD
CY2016Q2	us-gaap	Operating Costs And Expenses OperatingCostsAndExpenses	357875000	USD
CY2017Q2	us-gaap	Net Income Loss NetIncomeLoss	22551000	USD
CY2017Q3	us-gaap	Net Income Loss NetIncomeLoss	23472000	USD
CY2017Q4	us-gaap	Net Income Loss NetIncomeLoss	20186000	USD
CY2017	us-gaap	Net Income Loss NetIncomeLoss	88226000	USD
CY2016Q4	us-gaap	Notes And Loans Receivable Net Noncurrent NotesAndLoansReceivableNetNoncurrent	7531000	USD
CY2017Q4	us-gaap	Notes And Loans Receivable Net Noncurrent NotesAndLoansReceivableNetNoncurrent	15476000	USD
CY2016Q4	us-gaap	Notes Receivable Net NotesReceivableNet	19200000	USD
CY2017Q4	us-gaap	Notes Receivable Net NotesReceivableNet	36600000	USD
CY2017	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	2	segment
CY2015	us-gaap	Oci Before Reclassifications Net Of Tax Attributable To Parent OciBeforeReclassificationsNetOfTaxAttributableToParent	535000	USD
CY2016Q3	us-gaap	Operating Costs And Expenses OperatingCostsAndExpenses	363522000	USD
CY2016Q4	us-gaap	Operating Costs And Expenses OperatingCostsAndExpenses	368122000	USD
CY2017Q1	us-gaap	Operating Costs And Expenses OperatingCostsAndExpenses	373780000	USD
CY2017Q2	us-gaap	Operating Costs And Expenses OperatingCostsAndExpenses	439313000	USD
CY2017Q3	us-gaap	Operating Costs And Expenses OperatingCostsAndExpenses	459864000	USD
CY2017Q4	us-gaap	Operating Costs And Expenses OperatingCostsAndExpenses	466285000	USD
CY2017Q4	us-gaap	Operating Leases Future Minimum Payments Due OperatingLeasesFutureMinimumPaymentsDue	9118000	USD
CY2017Q4	us-gaap	Operating Leases Future Minimum Payments Due Current OperatingLeasesFutureMinimumPaymentsDueCurrent	2482000	USD
CY2017Q4	us-gaap	Operating Leases Future Minimum Payments Due In Five Years OperatingLeasesFutureMinimumPaymentsDueInFiveYears	735000	USD
CY2017Q4	us-gaap	Operating Leases Future Minimum Payments Due In Four Years OperatingLeasesFutureMinimumPaymentsDueInFourYears	734000	USD
CY2017Q4	us-gaap	Operating Leases Future Minimum Payments Due In Three Years OperatingLeasesFutureMinimumPaymentsDueInThreeYears	1489000	USD
CY2017Q4	us-gaap	Operating Leases Future Minimum Payments Due In Two Years OperatingLeasesFutureMinimumPaymentsDueInTwoYears	1968000	USD
CY2017Q4	us-gaap	Operating Leases Future Minimum Payments Due Thereafter OperatingLeasesFutureMinimumPaymentsDueThereafter	1710000	USD
CY2015	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	2003000	USD
CY2016	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	2615000	USD
CY2017	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	3833000	USD
CY2016Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	4397000	USD
CY2017Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	4561000	USD
CY2016Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	48000	USD
CY2017Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	1264000	USD
CY2015	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	518000	USD
CY2016	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-862000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	1156000	USD
CY2015	us-gaap	Other Comprehensive Income Loss Tax Portion Attributable To Parent1 OtherComprehensiveIncomeLossTaxPortionAttributableToParent1	300000	USD
CY2016	us-gaap	Other Comprehensive Income Loss Tax Portion Attributable To Parent1 OtherComprehensiveIncomeLossTaxPortionAttributableToParent1	-500000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Tax Portion Attributable To Parent1 OtherComprehensiveIncomeLossTaxPortionAttributableToParent1	300000	USD
CY2015	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	518000	USD
CY2016	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-862000	USD
CY2017	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	1156000	USD
CY2016Q4	us-gaap	Other Inventory OtherInventory	37800000	USD
CY2017Q4	us-gaap	Other Inventory OtherInventory	42393000	USD
CY2017Q1	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	13624000	USD
CY2016	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	53342000	USD
CY2015	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	51375000	USD
CY2017Q2	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	13750000	USD
CY2017Q3	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	13883000	USD
CY2017Q4	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	13987000	USD
CY2017	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	55200000	USD
CY2017	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	55244000	USD
CY2015	us-gaap	Payments To Acquire Businesses Gross PaymentsToAcquireBusinessesGross	0	USD
CY2016	us-gaap	Payments To Acquire Businesses Gross PaymentsToAcquireBusinessesGross	0	USD
CY2017	us-gaap	Payments To Acquire Businesses Gross PaymentsToAcquireBusinessesGross	4584000	USD
CY2015	us-gaap	Payments To Acquire Marketable Securities PaymentsToAcquireMarketableSecurities	75150000	USD
CY2016	us-gaap	Payments To Acquire Marketable Securities PaymentsToAcquireMarketableSecurities	29449000	USD
CY2017	us-gaap	Payments To Acquire Marketable Securities PaymentsToAcquireMarketableSecurities	33861000	USD
CY2015	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	4998000	USD
CY2016	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	5442000	USD
CY2017	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	5397000	USD
CY2016Q4	us-gaap	Prepaid Expense Current PrepaidExpenseCurrent	13965000	USD
CY2017Q4	us-gaap	Prepaid Expense Current PrepaidExpenseCurrent	23515000	USD
CY2015	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	113000	USD
CY2016	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	109000	USD
CY2017	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	95000	USD
CY2015	us-gaap	Proceeds From Sale And Maturity Of Marketable Securities ProceedsFromSaleAndMaturityOfMarketableSecurities	17567000	USD
CY2016	us-gaap	Proceeds From Sale And Maturity Of Marketable Securities ProceedsFromSaleAndMaturityOfMarketableSecurities	28164000	USD
CY2017	us-gaap	Proceeds From Sale And Maturity Of Marketable Securities ProceedsFromSaleAndMaturityOfMarketableSecurities	28537000	USD
CY2015	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	16400000	USD
CY2016	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	28100000	USD
CY2017	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	28500000	USD
CY2015	us-gaap	Proceeds From Sale Of Productive Assets ProceedsFromSaleOfProductiveAssets	267000	USD
CY2016	us-gaap	Proceeds From Sale Of Productive Assets ProceedsFromSaleOfProductiveAssets	275000	USD
CY2017	us-gaap	Proceeds From Sale Of Productive Assets ProceedsFromSaleOfProductiveAssets	338000	USD
CY2015	us-gaap	Proceeds From Short Term Debt ProceedsFromShortTermDebt	0	USD
CY2016	us-gaap	Proceeds From Short Term Debt ProceedsFromShortTermDebt	0	USD
CY2017	us-gaap	Proceeds From Short Term Debt ProceedsFromShortTermDebt	35382000	USD
CY2015	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	6251000	USD
CY2016	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	5968000	USD
CY2017	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	12808000	USD
CY2016Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	34019000	USD
CY2017Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	36004000	USD
CY2016Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	13455000	USD
CY2017Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	13509000	USD
CY2015	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	4335000	USD
CY2016	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	4629000	USD
CY2017	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	6250000	USD
CY2015	us-gaap	Reclassification From Aoci Current Period Net Of Tax Attributable To Parent ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent	17000	USD
CY2016	us-gaap	Reclassification From Aoci Current Period Net Of Tax Attributable To Parent ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent	-143000	USD
CY2017	us-gaap	Reclassification From Aoci Current Period Net Of Tax Attributable To Parent ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent	-7000	USD
CY2015	us-gaap	Related Party Transaction Expenses From Transactions With Related Party RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty	120000	USD
CY2016	us-gaap	Related Party Transaction Expenses From Transactions With Related Party RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty	120000	USD
CY2017	us-gaap	Related Party Transaction Expenses From Transactions With Related Party RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty	120000	USD
CY2016Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	130940000	USD
CY2017Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	163860000	USD
CY2016Q1	us-gaap	Sales Revenue Net SalesRevenueNet	384807000	USD
CY2017	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	682000	shares
CY2016Q2	us-gaap	Sales Revenue Net SalesRevenueNet	386556000	USD
CY2016Q3	us-gaap	Sales Revenue Net SalesRevenueNet	392734000	USD
CY2016Q4	us-gaap	Sales Revenue Net SalesRevenueNet	398565000	USD
CY2017Q1	us-gaap	Sales Revenue Net SalesRevenueNet	404490000	USD
CY2017Q2	us-gaap	Sales Revenue Net SalesRevenueNet	470876000	USD
CY2017Q3	us-gaap	Sales Revenue Net SalesRevenueNet	491355000	USD
CY2017Q4	us-gaap	Sales Revenue Net SalesRevenueNet	499410000	USD
CY2015	us-gaap	Sales Revenue Services Net SalesRevenueServicesNet	1436849000	USD
CY2016	us-gaap	Sales Revenue Services Net SalesRevenueServicesNet	1562662000	USD
CY2017	us-gaap	Sales Revenue Services Net SalesRevenueServicesNet	1866131000	USD
CY2015	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	111689000	USD
CY2016	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	105417000	USD
CY2017	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	126732000	USD
CY2015	us-gaap	Share Based Compensation ShareBasedCompensation	1668000	USD
CY2016	us-gaap	Share Based Compensation ShareBasedCompensation	1271000	USD
CY2017	us-gaap	Share Based Compensation ShareBasedCompensation	276000	USD
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Award Vesting Period1 ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1	P5Y
CY2017Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant	800000	shares
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Expirations In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod	3000	shares
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	100000	shares
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod	544000	shares
CY2016Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	2615000	shares
CY2017Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	2374000	shares
CY2016Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	24.61
CY2017Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	29.22
CY2017	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	18.95
CY2017	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Expirations In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice	23.49
CY2017	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	34.10
CY2017	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	39.38
CY2015	us-gaap	Stock Issued During Period Value Acquisitions StockIssuedDuringPeriodValueAcquisitions	0	USD
CY2017	us-gaap	Stock Issued During Period Value Acquisitions StockIssuedDuringPeriodValueAcquisitions	6939000	USD
CY2015	us-gaap	Stock Issued During Period Value Dividend Reinvestment Plan StockIssuedDuringPeriodValueDividendReinvestmentPlan	113000	USD
CY2016	us-gaap	Stock Issued During Period Value Dividend Reinvestment Plan StockIssuedDuringPeriodValueDividendReinvestmentPlan	109000	USD
CY2017	us-gaap	Stock Issued During Period Value Dividend Reinvestment Plan StockIssuedDuringPeriodValueDividendReinvestmentPlan	95000	USD
CY2015	us-gaap	Stock Issued During Period Value Employee Benefit Plan StockIssuedDuringPeriodValueEmployeeBenefitPlan	488000	USD
CY2016	us-gaap	Stock Issued During Period Value Employee Benefit Plan StockIssuedDuringPeriodValueEmployeeBenefitPlan	534000	USD
CY2017	us-gaap	Stock Issued During Period Value Employee Benefit Plan StockIssuedDuringPeriodValueEmployeeBenefitPlan	156000	USD
CY2015	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	1701000	USD
CY2016	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	2067000	USD
CY2017	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	2091000	USD
CY2016	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	4000000	USD
CY2015	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	6251000	USD
CY2016	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	5968000	USD
CY2017	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	12808000	USD
CY2014Q4	us-gaap	Stockholders Equity StockholdersEquity	275830000	USD
CY2016Q4	us-gaap	Workers Compensation Liability Current WorkersCompensationLiabilityCurrent	23573000	USD
CY2017Q4	us-gaap	Workers Compensation Liability Current WorkersCompensationLiabilityCurrent	22245000	USD
CY2016Q4	us-gaap	Workers Compensation Liability Noncurrent WorkersCompensationLiabilityNoncurrent	64080000	USD
CY2017Q4	us-gaap	Workers Compensation Liability Noncurrent WorkersCompensationLiabilityNoncurrent	62454000	USD
CY2015Q4	us-gaap	Stockholders Equity StockholdersEquity	296456000	USD
CY2016Q4	us-gaap	Stockholders Equity StockholdersEquity	338842000	USD
CY2017Q4	us-gaap	Stockholders Equity StockholdersEquity	399952000	USD
CY2016	us-gaap	Stockholders Equity Other StockholdersEquityOther	0	USD
CY2016Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	1603000	shares
CY2017Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	1524000	shares
CY2016Q4	us-gaap	Treasury Stock Value TreasuryStockValue	10185000	USD
CY2017Q4	us-gaap	Treasury Stock Value TreasuryStockValue	9858000	USD
CY2017Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	0	USD
CY2015	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	72512000	shares
CY2016	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	73474000	shares
CY2017	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	74348000	shares
CY2015	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	71826000	shares
CY2016	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	72754000	shares
CY2017	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	73355000	shares
CY2017	us-gaap	Concentration Risk Credit Risk ConcentrationRiskCreditRisk	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;text-align:justify;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">The Company’s financial instruments that are subject to concentrations of credit risk are cash and cash equivalents, marketable securities, deferred compensation funding and accounts and notes receivable. The Company’s marketable securities are fixed income investments which are highly liquid and can be readily purchased or sold using established markets. At </font><font style="font-family:inherit;font-size:10pt;">December 31, 2017</font><font style="font-family:inherit;font-size:10pt;"> and </font><font style="font-family:inherit;font-size:10pt;">2016</font><font style="font-family:inherit;font-size:10pt;">, substantially all of the Company’s cash and cash equivalents and marketable securities were held in </font><font style="font-family:inherit;font-size:10pt;">one</font><font style="font-family:inherit;font-size:10pt;"> large financial institution located in the United States.</font></div><div style="line-height:120%;text-align:justify;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div><div style="line-height:120%;text-align:justify;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">The Company’s clients are concentrated in the healthcare industry, and are primarily providers of long-term care. The revenues of many of the Company’s clients are highly reliant on Medicare, Medicaid and third-party payors’ reimbursement funding rates. New legislation or changes in existing regulations could be made which could directly impact the governmental reimbursement programs in which the clients participate. As a result, the Company may not know the full effects of such programs until these laws are fully implemented and governmental agencies issue applicable regulations or guidance.</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%;text-align:justify;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">In preparing financial statements in conformity with United States generally accepted accounting principles (“U.S. GAAP”), estimates and assumptions are made that affect the reported amounts of assets and liabilities, disclosures of contingent assets and liabilities, and the reported amounts of revenues and expenses. Actual results could differ from those estimates. Significant estimates are used in determining, but are not limited to, the Company’s allowance for doubtful accounts, accrued insurance claims, valuations, deferred taxes and reviews for potential impairment. The estimates are based upon various factors including current and historical trends, as well as other pertinent industry and regulatory authority information. Management regularly evaluates this information to determine if it is necessary to update the basis for its estimates and to adjust for known changes.</font></div><div style="line-height:120%;text-align:justify;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></div>

Files In Submission

Name	View Source	Status
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0000731012-18-000032-index.html	Edgar Link	pending
0000731012-18-000032.txt	Edgar Link	pending
0000731012-18-000032-xbrl.zip	Edgar Link	pending
exhibit21-2017subsidiaries.htm	Edgar Link	pending
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exhibit311-2017ceosection3.htm	Edgar Link	pending
exhibit312-2017cfosection3.htm	Edgar Link	pending
exhibit321-2017ceosection9.htm	Edgar Link	pending
exhibit322-2017cfosection9.htm	Edgar Link	pending
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$HCSG
HEALTHCARE SERVICES GROUP INC Stock $hcsg

2017 Q4 Form 10-K Financial Statement

#000073101218000032 Filed on February 23, 2018

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$HCSG HEALTHCARE SERVICES GROUP INC Stock $hcsg

2017 Q4 Form 10-K Financial Statement

#000073101218000032 Filed on February 23, 2018

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$HCSG
HEALTHCARE SERVICES GROUP INC Stock $hcsg