$CWST
CASELLA WASTE SYSTEMS INC Stock $cwst

$cwst Overview Financials Valuation SEC Filings Company Website

2016 Q4 Form 10-K Financial Statement

#000091117718000007 Filed on March 02, 2018

Income Statement

Concept	2016 Q4	2016 Q3	2016 Q2
Revenue	$143.8M	$151.1M	$144.7M
YoY Change	2.69%	3.38%	0.67%
Cost Of Revenue	$97.60M	$98.80M	$95.19M
YoY Change	1.24%	-0.86%	-3.59%
Gross Profit	$46.20M	$52.33M	$49.48M
YoY Change	5.96%	12.47%	10.02%
Gross Profit Margin	32.13%	34.63%	34.2%
Selling, General & Admin	$19.90M	$18.80M	$18.10M
YoY Change	-3.4%	8.05%	0.0%
% of Gross Profit	43.07%	35.93%	36.58%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$15.50M	$16.18M	$15.80M
YoY Change	-4.91%	-1.28%	-2.7%
% of Gross Profit	33.55%	30.91%	31.93%
Operating Expenses	$35.30M	$34.90M	$33.90M
YoY Change	-4.34%	3.25%	-1.45%
Operating Profit	$9.997M	$17.38M	$15.60M
YoY Change	112.61%	36.88%	37.51%
Interest Expense	-$9.200M	$9.643M	$10.00M
YoY Change	-8.0%	-4.4%	-1.44%
% of Operating Profit	-92.03%	55.49%	64.14%
Other Income/Expense, Net	$400.0K	-$9.578M	-$10.17M
YoY Change	-42.86%	-6.46%	0.92%
Pretax Income	-$11.80M	$7.800M	$5.422M
YoY Change	73.53%	217.46%	329.98%
Income Tax	$200.0K	$263.0K	$230.0K
% Of Pretax Income		3.37%	4.24%
Net Earnings	-$11.97M	$7.537M	$5.195M
YoY Change	70.58%	228.27%	406.83%
Net Earnings / Revenue	-8.33%	4.99%	3.59%
Basic Earnings Per Share	-$0.29	$0.18	$0.13
Diluted Earnings Per Share	-$0.29	$0.18	$0.12
COMMON SHARES
Basic Shares Outstanding	41.42M shares	41.38M shares	41.13M shares
Diluted Shares Outstanding	41.42M shares	42.29M shares	41.60M shares

Balance Sheet

Concept	2016 Q4	2016 Q3	2016 Q2
SHORT-TERM ASSETS
Cash & Short-Term Investments	$2.500M	$3.600M	$2.400M
YoY Change	8.7%	80.0%	-25.0%
Cash & Equivalents	$2.544M	$3.561M	$2.382M
Short-Term Investments
Other Short-Term Assets	$1.290M	$1.372M	$1.350M
YoY Change	-18.66%	-64.3%	-61.88%
Inventory	$4.900M	$4.900M	$4.600M
Prepaid Expenses	$7.989M	$9.186M	$8.435M
Receivables	$61.20M	$63.36M	$61.08M
Other Receivables	$700.0K	$700.0K	$700.0K
Total Short-Term Assets	$78.59M	$83.08M	$78.59M
YoY Change	2.5%	-3.12%	-7.36%
LONG-TERM ASSETS
Property, Plant & Equipment	$398.5M	$397.5M	$398.7M
YoY Change	-0.94%	0.03%	-0.07%
Goodwill	$119.9M	$119.9M	$119.9M
YoY Change	0.78%	0.78%	0.78%
Intangibles
YoY Change
Long-Term Investments	$0.00	$12.30M	$12.30M
YoY Change		-12.77%	-12.77%
Other Assets	$13.53M	$13.29M	$11.87M
YoY Change	13.33%	-54.68%	-59.33%
Total Long-Term Assets	$552.9M	$552.2M	$553.0M
YoY Change	-0.73%	-3.96%	-3.43%
TOTAL ASSETS
Total Short-Term Assets	$78.59M	$83.08M	$78.59M
Total Long-Term Assets	$552.9M	$552.2M	$553.0M
Total Assets	$631.5M	$635.3M	$631.6M
YoY Change	-0.34%	-1.27%	-1.34%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$45.00M	$47.30M	$46.04M
YoY Change	0.17%	-5.61%	-4.38%
Accrued Expenses	$32.70M	$32.00M	$37.20M
YoY Change	-16.15%	8.47%	1.92%
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due	$4.700M	$1.600M	$1.400M
YoY Change	235.71%	23.08%	0.0%
Total Short-Term Liabilities	$82.43M	$80.85M	$84.63M
YoY Change	-3.42%	-0.05%	-1.66%
LONG-TERM LIABILITIES
Long-Term Debt	$504.0M	$499.0M	$501.8M
YoY Change	-0.4%	-5.92%	-4.76%
Other Long-Term Liabilities	$19.96M	$18.86M	$18.60M
YoY Change	10.69%	15.67%	14.55%
Total Long-Term Liabilities	$19.96M	$18.86M	$18.60M
YoY Change	10.69%	15.67%	14.55%
TOTAL LIABILITIES
Total Short-Term Liabilities	$82.43M	$80.85M	$84.63M
Total Long-Term Liabilities	$19.96M	$18.86M	$18.60M
Total Liabilities	$102.4M	$99.71M	$103.2M
YoY Change	-0.96%	2.58%	0.92%
SHAREHOLDERS EQUITY
Retained Earnings	-$373.3M	-$361.3M	-$368.9M
YoY Change	1.87%	0.53%	1.97%
Common Stock	$348.4M	$347.1M	$346.3M
YoY Change	1.14%	1.02%	1.12%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	-$24.53M	-$13.88M	-$22.17M
YoY Change
Total Liabilities & Shareholders Equity	$631.5M	$635.3M	$631.6M
YoY Change	-0.34%	-3.85%	-3.94%

Cashflow Statement

Concept	2016 Q4	2016 Q3	2016 Q2
OPERATING ACTIVITIES
Net Income	-$11.97M	$7.537M	$5.195M
YoY Change	70.58%	228.27%	406.83%
Depreciation, Depletion And Amortization	$15.50M	$16.18M	$15.80M
YoY Change	-4.91%	-1.28%	-2.7%
Cash From Operating Activities	$24.30M	$20.50M	$33.90M
YoY Change	-19.0%	23.49%	14.53%
INVESTING ACTIVITIES
Capital Expenditures	-$16.70M	-$14.00M	-$13.70M
YoY Change	-12.11%	-4.76%	15.13%
Acquisitions
YoY Change
Other Investing Activities	-$2.500M	-$1.400M	-$4.700M
YoY Change	4.17%	27.27%	-1040.0%
Cash From Investing Activities	-$19.30M	-$15.40M	-$18.30M
YoY Change	-9.39%	-3.14%	61.95%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-6.000M	-4.000M	-14.80M
YoY Change	-28.57%	110.53%	-18.23%
NET CHANGE
Cash From Operating Activities	24.30M	20.50M	33.90M
Cash From Investing Activities	-19.30M	-15.40M	-18.30M
Cash From Financing Activities	-6.000M	-4.000M	-14.80M
Net Change In Cash	-1.000M	1.100M	800.0K
YoY Change	-433.33%	-191.67%	300.0%
FREE CASH FLOW
Cash From Operating Activities	$24.30M	$20.50M	$33.90M
Capital Expenditures	-$16.70M	-$14.00M	-$13.70M
Free Cash Flow	$41.00M	$34.50M	$47.60M
YoY Change	-16.33%	10.22%	14.7%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2017	cwst	Contract Settlement Charge ContractSettlementCharge	0	USD
CY2015	cwst	Current Federal Deferred Benefit Loss Carryforwards CurrentFederalDeferredBenefitLossCarryforwards	-2899000	USD
CY2015	cwst	Contract Settlement Charge ContractSettlementCharge	1940000	USD
CY2016	cwst	Contract Settlement Charge ContractSettlementCharge	0	USD
CY2015	cwst	Business Acquisitions Pro Forma Operating Income Loss BusinessAcquisitionsProFormaOperatingIncomeLoss	31940000	USD
CY2016	cwst	Business Acquisitions Pro Forma Operating Income Loss BusinessAcquisitionsProFormaOperatingIncomeLoss	45257000	USD
CY2017	cwst	Business Acquisitions Pro Forma Operating Income Loss BusinessAcquisitionsProFormaOperatingIncomeLoss	-12314000	USD
CY2017	cwst	Closureand Post Closure Costs Incurrence Period ClosureandPostClosureCostsIncurrencePeriod	P30Y
CY2017Q4	cwst	Commitment Amount Under Employment Agreement CommitmentAmountUnderEmploymentAgreement	1785000	USD
CY2017	cwst	Contract Extension Period ContractExtensionPeriod	P1Y
CY2016	cwst	Current Federal Deferred Benefit Loss Carryforwards CurrentFederalDeferredBenefitLossCarryforwards	0	USD
CY2017	cwst	Current Federal Deferred Benefit Loss Carryforwards CurrentFederalDeferredBenefitLossCarryforwards	0	USD
CY2015	cwst	Current State Deferred Benefit Loss Carryforwards CurrentStateDeferredBenefitLossCarryforwards	557000	USD
CY2016	cwst	Current State Deferred Benefit Loss Carryforwards CurrentStateDeferredBenefitLossCarryforwards	0	USD
CY2017	cwst	Current State Deferred Benefit Loss Carryforwards CurrentStateDeferredBenefitLossCarryforwards	28000	USD
CY2017	cwst	Defined Contribution Plan Employer Maximum Contribution Per Employee Per Year Amount DefinedContributionPlanEmployerMaximumContributionPerEmployeePerYearAmount	1000	USD
CY2017	cwst	Defined Contribution Plan Maximum Employer Match Per Employee Per Dollar Contribution DefinedContributionPlanMaximumEmployerMatchPerEmployeePerDollarContribution	0.50	USD
CY2015	cwst	Depletion Of Landfill Operating Lease Obligations DepletionOfLandfillOperatingLeaseObligations	9428000	USD
CY2016	cwst	Depletion Of Landfill Operating Lease Obligations DepletionOfLandfillOperatingLeaseObligations	9295000	USD
CY2017	cwst	Depletion Of Landfill Operating Lease Obligations DepletionOfLandfillOperatingLeaseObligations	9646000	USD
CY2015	cwst	Derivative Settlement Of Forward Starting Interest Rate Swap Agreement DerivativeSettlementOfForwardStartingInterestRateSwapAgreement	830000	USD
CY2015	cwst	Divestiture Acquisition Financing Costs DivestitureAcquisitionFinancingCosts	0	USD
CY2016	cwst	Divestiture Acquisition Financing Costs DivestitureAcquisitionFinancingCosts	0	USD
CY2017	cwst	Divestiture Acquisition Financing Costs DivestitureAcquisitionFinancingCosts	176000	USD
CY2015	cwst	Divestiture Transactions DivestitureTransactions	-5517000	USD
CY2016	cwst	Divestiture Transactions DivestitureTransactions	0	USD
CY2017	cwst	Divestiture Transactions DivestitureTransactions	0	USD
CY2015	cwst	Effective Income Tax Rate Reconciliation Changein Deferred Tax Assets Valuation Allowance Including Federal Rate Change Amount EffectiveIncomeTaxRateReconciliationChangeinDeferredTaxAssetsValuationAllowanceIncludingFederalRateChangeAmount	-5272000	USD
CY2016	cwst	Effective Income Tax Rate Reconciliation Changein Deferred Tax Assets Valuation Allowance Including Federal Rate Change Amount EffectiveIncomeTaxRateReconciliationChangeinDeferredTaxAssetsValuationAllowanceIncludingFederalRateChangeAmount	-4370000	USD
CY2017	cwst	Effective Income Tax Rate Reconciliation Changein Deferred Tax Assets Valuation Allowance Including Federal Rate Change Amount EffectiveIncomeTaxRateReconciliationChangeinDeferredTaxAssetsValuationAllowanceIncludingFederalRateChangeAmount	18848000	USD
CY2015	cwst	Effective Income Tax Rate Reconciliation Deductible Stock Awards EffectiveIncomeTaxRateReconciliationDeductibleStockAwards	0	USD
CY2016	cwst	Effective Income Tax Rate Reconciliation Deductible Stock Awards EffectiveIncomeTaxRateReconciliationDeductibleStockAwards	0	USD
CY2017	cwst	Effective Income Tax Rate Reconciliation Deductible Stock Awards EffectiveIncomeTaxRateReconciliationDeductibleStockAwards	1825000	USD
CY2017Q4	cwst	Employment Contracts Executive Officers EmploymentContractsExecutiveOfficers	5	executive_officer
CY2016	cwst	Environmental Remediation Expense Including Noncash Charges EnvironmentalRemediationExpenseIncludingNoncashCharges	900000	USD
CY2017	cwst	Environmental Remediation Expense Including Noncash Charges EnvironmentalRemediationExpenseIncludingNoncashCharges	0	USD
CY2015	cwst	Income Tax Settlement IncomeTaxSettlement	180000	USD
CY2015	cwst	Income Tax Settlement Interest Paid IncomeTaxSettlementInterestPaid	12000	USD
CY2015	cwst	Income Tax Settlement Tax Paid IncomeTaxSettlementTaxPaid	168000	USD
CY2017	cwst	Inflation Rate InflationRate	0.017
CY2015	cwst	Landfill Closure Charge LandfillClosureCharge	0	USD
CY2016	cwst	Landfill Closure Charge LandfillClosureCharge	0	USD
CY2017	cwst	Landfill Closure Charge LandfillClosureCharge	65183000	USD
CY2015	cwst	Letters Of Credit Fees LettersOfCreditFees	637000	USD
CY2016	cwst	Letters Of Credit Fees LettersOfCreditFees	593000	USD
CY2017	cwst	Letters Of Credit Fees LettersOfCreditFees	703000	USD
CY2017	cwst	Maximum Exposure Self Insured MaximumExposureSelfInsured	1000	USD
CY2015	cwst	Noncash Landfill Closure Charge NoncashLandfillClosureCharge	0	USD
CY2016	cwst	Noncash Landfill Closure Charge NoncashLandfillClosureCharge	0	USD
CY2017	cwst	Noncash Landfill Closure Charge NoncashLandfillClosureCharge	63526000	USD
CY1994	cwst	Number Of Leases NumberOfLeases	2	Lease
CY2017	cwst	Numberof Landfill Operationand Management Agreements Entered Into NumberofLandfillOperationandManagementAgreementsEnteredInto	5	Agreement
CY2015	cwst	Other Comprehensive Income Loss Settlementon Derivatives After Tax OtherComprehensiveIncomeLossSettlementonDerivativesAfterTax	0	USD
CY2016	cwst	Other Comprehensive Income Loss Settlementon Derivatives After Tax OtherComprehensiveIncomeLossSettlementonDerivativesAfterTax	0	USD
CY2017	cwst	Other Comprehensive Income Loss Settlementon Derivatives After Tax OtherComprehensiveIncomeLossSettlementonDerivativesAfterTax	-410000	USD
CY2015	cwst	Payments For Landfill Operating Lease PaymentsForLandfillOperatingLease	5385000	USD
CY2016	cwst	Payments For Landfill Operating Lease PaymentsForLandfillOperatingLease	7249000	USD
CY2017	cwst	Payments For Landfill Operating Lease PaymentsForLandfillOperatingLease	7240000	USD
CY2015	cwst	Payments To Acquire Acquisition Related Property Plant And Equipment PaymentsToAcquireAcquisitionRelatedPropertyPlantAndEquipment	0	USD
CY2016	cwst	Payments To Acquire Acquisition Related Property Plant And Equipment PaymentsToAcquireAcquisitionRelatedPropertyPlantAndEquipment	38000	USD
CY2017	cwst	Payments To Acquire Acquisition Related Property Plant And Equipment PaymentsToAcquireAcquisitionRelatedPropertyPlantAndEquipment	469000	USD
CY2015	cwst	Percentage Of Potential Cumulative Liability PercentageOfPotentialCumulativeLiability	0.08
CY2017Q4	cwst	Sharebased Compensation Arrangementby Sharebased Payment Award Options Unvested Aggregate Intrinsic Value SharebasedCompensationArrangementbySharebasedPaymentAwardOptionsUnvestedAggregateIntrinsicValue	3326000	USD
CY2017	cwst	Sharebased Compensation Arrangementby Sharebased Payment Award Options Unvested Weighted Average Remaining Contractual Term SharebasedCompensationArrangementbySharebasedPaymentAwardOptionsUnvestedWeightedAverageRemainingContractualTerm	P8Y4M6D
CY2015	cwst	Sharebased Compensation Arrangementsby Sharebased Payment Award Options Grantsin Period Monte Carlo Option Pricing Model Weighted Average Exercise Price SharebasedCompensationArrangementsbySharebasedPaymentAwardOptionsGrantsinPeriodMonteCarloOptionPricingModelWeightedAverageExercisePrice	5.35
CY2016	cwst	Sharebased Compensation Arrangementsby Sharebased Payment Award Options Grantsin Period Monte Carlo Option Pricing Model Weighted Average Exercise Price SharebasedCompensationArrangementsbySharebasedPaymentAwardOptionsGrantsinPeriodMonteCarloOptionPricingModelWeightedAverageExercisePrice	0.00
CY2017	cwst	Sharebased Compensation Arrangementsby Sharebased Payment Award Options Grantsin Period Monte Carlo Option Pricing Model Weighted Average Exercise Price SharebasedCompensationArrangementsbySharebasedPaymentAwardOptionsGrantsinPeriodMonteCarloOptionPricingModelWeightedAverageExercisePrice	0.00
CY2017Q4	cwst	Tax Cutsand Jobs Actof2017 Changein Tax Rate Change In Valuation Allowance Income Tax Benefit For Continuing Operations TaxCutsandJobsActof2017ChangeinTaxRateChangeInValuationAllowanceIncomeTaxBenefitForContinuingOperations	-29234000	USD
CY2017	cwst	Tax Cutsand Jobs Actof2017 Changein Tax Rate Change In Valuation Allowance Income Tax Benefit For Continuing Operations TaxCutsandJobsActof2017ChangeinTaxRateChangeInValuationAllowanceIncomeTaxBenefitForContinuingOperations	36556000	USD
CY2017Q4	cwst	Tax Cutsand Jobs Actof2017 Changein Tax Rate Deferred Tax Income Tax Expense Benefit TaxCutsandJobsActof2017ChangeinTaxRateDeferredTaxIncomeTaxExpenseBenefit	-15614000	USD
CY2017	cwst	Tax Cutsand Jobs Actof2017 Changein Tax Rate Income Tax Expense Benefit TaxCutsandJobsActof2017ChangeinTaxRateIncomeTaxExpenseBenefit	33700000	USD
CY2015	cwst	Tax Cutsand Jobs Actof2017 Changein Tax Rate Indefinite Lived Deferred Tax Liability Income Tax Benefit TaxCutsandJobsActof2017ChangeinTaxRateIndefiniteLivedDeferredTaxLiabilityIncomeTaxBenefit	0	USD
CY2016	cwst	Tax Cutsand Jobs Actof2017 Changein Tax Rate Indefinite Lived Deferred Tax Liability Income Tax Benefit TaxCutsandJobsActof2017ChangeinTaxRateIndefiniteLivedDeferredTaxLiabilityIncomeTaxBenefit	0	USD
CY2017Q4	cwst	Tax Cutsand Jobs Actof2017 Changein Tax Rate Indefinite Lived Deferred Tax Liability Income Tax Benefit TaxCutsandJobsActof2017ChangeinTaxRateIndefiniteLivedDeferredTaxLiabilityIncomeTaxBenefit	12758000	USD
CY2017	cwst	Tax Cutsand Jobs Actof2017 Changein Tax Rate Indefinite Lived Deferred Tax Liability Income Tax Benefit TaxCutsandJobsActof2017ChangeinTaxRateIndefiniteLivedDeferredTaxLiabilityIncomeTaxBenefit	12758000	USD
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	0000911177
CY2017	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2017	dei	Entity Filer Category EntityFilerCategory	Accelerated Filer
CY2017Q2	dei	Entity Public Float EntityPublicFloat	639800000	USD
CY2017	dei	Entity Registrant Name EntityRegistrantName	CASELLA WASTE SYSTEMS INC
CY2017	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2017	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	No
CY2017	dei	Trading Symbol TradingSymbol	CWST
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CY2017Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	47081000	USD
CY2016Q4	us-gaap	Accounts Payable Related Parties Current AccountsPayableRelatedPartiesCurrent	18000	USD
CY2017Q4	us-gaap	Accounts Payable Related Parties Current AccountsPayableRelatedPartiesCurrent	30000	USD
CY2016Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	61196000	USD
CY2017Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	65953000	USD
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CY2017Q4	us-gaap	Accrual For Environmental Loss Contingencies Discount AccrualForEnvironmentalLossContingenciesDiscount	1674000	USD
CY2017Q4	us-gaap	Accrual For Environmental Loss Contingencies Gross AccrualForEnvironmentalLossContingenciesGross	13368000	USD
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CY2017Q4	us-gaap	Accrual For Environmental Loss Contingencies Undiscounted Due In Third Year AccrualForEnvironmentalLossContingenciesUndiscountedDueInThirdYear	755000	USD
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CY2016Q4	us-gaap	Accrued Capping Closure Post Closure And Environmental Costs AccruedCappingClosurePostClosureAndEnvironmentalCosts	668000	USD
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CY2016Q4	us-gaap	Accrued Capping Closure Post Closure And Environmental Costs Noncurrent AccruedCappingClosurePostClosureAndEnvironmentalCostsNoncurrent	43539000	USD
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CY2016Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	837122000	USD
CY2017Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	811474000	USD
CY2016Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-68000	USD
CY2017Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	184000	USD
CY2016Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	348434000	USD
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CY2015	us-gaap	Adjustments To Additional Paid In Capital Tax Effect From Share Based Compensation AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation	185000	USD
CY2016	us-gaap	Adjustments To Additional Paid In Capital Tax Effect From Share Based Compensation AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation	0	USD
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CY2015	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	2567000	USD
CY2016	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	2141000	USD
CY2017	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	2061000	USD
CY2015	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	2259000	shares
CY2016	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	2442000	shares
CY2017	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	2219000	shares
CY2015Q4	us-gaap	Asset Retirement Obligation AssetRetirementObligation	41041000	USD
CY2016Q4	us-gaap	Asset Retirement Obligation AssetRetirementObligation	44207000	USD
CY2017Q4	us-gaap	Asset Retirement Obligation AssetRetirementObligation	62290000	USD
CY2016	us-gaap	Asset Retirement Obligation Accretion Expense AssetRetirementObligationAccretionExpense	3606000	USD
CY2017	us-gaap	Asset Retirement Obligation Accretion Expense AssetRetirementObligationAccretionExpense	4401000	USD
CY2016	us-gaap	Asset Retirement Obligation Liabilities Incurred AssetRetirementObligationLiabilitiesIncurred	2441000	USD
CY2017	us-gaap	Asset Retirement Obligation Liabilities Incurred AssetRetirementObligationLiabilitiesIncurred	3022000	USD
CY2016	us-gaap	Asset Retirement Obligation Liabilities Settled AssetRetirementObligationLiabilitiesSettled	829000	USD
CY2017	us-gaap	Asset Retirement Obligation Liabilities Settled AssetRetirementObligationLiabilitiesSettled	838000	USD
CY2016	us-gaap	Asset Retirement Obligation Revision Of Estimate AssetRetirementObligationRevisionOfEstimate	-2052000	USD
CY2017	us-gaap	Asset Retirement Obligation Revision Of Estimate AssetRetirementObligationRevisionOfEstimate	11498000	USD
CY2015Q4	us-gaap	Assets Assets	633669000	USD
CY2016Q4	us-gaap	Assets Assets	631512000	USD
CY2017Q4	us-gaap	Assets Assets	614949000	USD
CY2016Q4	us-gaap	Assets Current AssetsCurrent	78588000	USD
CY2017Q4	us-gaap	Assets Current AssetsCurrent	84380000	USD
CY2015	us-gaap	Business Acquisition Pro Forma Earnings Per Share Basic BusinessAcquisitionProFormaEarningsPerShareBasic	-0.32
CY2016	us-gaap	Business Acquisition Pro Forma Earnings Per Share Basic BusinessAcquisitionProFormaEarningsPerShareBasic	-0.16
CY2017	us-gaap	Business Acquisition Pro Forma Earnings Per Share Basic BusinessAcquisitionProFormaEarningsPerShareBasic	-0.52
CY2015	us-gaap	Business Acquisition Pro Forma Earnings Per Share Diluted BusinessAcquisitionProFormaEarningsPerShareDiluted	-0.32
CY2016	us-gaap	Business Acquisition Pro Forma Earnings Per Share Diluted BusinessAcquisitionProFormaEarningsPerShareDiluted	-0.16
CY2017	us-gaap	Business Acquisition Pro Forma Earnings Per Share Diluted BusinessAcquisitionProFormaEarningsPerShareDiluted	-0.52
CY2015	us-gaap	Business Acquisitions Pro Forma Net Income Loss BusinessAcquisitionsProFormaNetIncomeLoss	-12947000	USD
CY2016	us-gaap	Business Acquisitions Pro Forma Net Income Loss BusinessAcquisitionsProFormaNetIncomeLoss	-6685000	USD
CY2017	us-gaap	Business Acquisitions Pro Forma Net Income Loss BusinessAcquisitionsProFormaNetIncomeLoss	-21647000	USD
CY2015	us-gaap	Business Acquisitions Pro Forma Revenue BusinessAcquisitionsProFormaRevenue	556569000	USD
CY2016	us-gaap	Business Acquisitions Pro Forma Revenue BusinessAcquisitionsProFormaRevenue	572628000	USD
CY2017	us-gaap	Business Acquisitions Pro Forma Revenue BusinessAcquisitionsProFormaRevenue	602754000	USD
CY2015	us-gaap	Capital Leases Income Statement Amortization Expense CapitalLeasesIncomeStatementAmortizationExpense	384000	USD
CY2016	us-gaap	Capital Leases Income Statement Amortization Expense CapitalLeasesIncomeStatementAmortizationExpense	371000	USD
CY2017	us-gaap	Capital Leases Income Statement Amortization Expense CapitalLeasesIncomeStatementAmortizationExpense	360000	USD
CY2014Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	2205000	USD
CY2015Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	2312000	USD
CY2016Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	2544000	USD
CY2017Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	1995000	USD
CY2015	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	107000	USD
CY2016	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	232000	USD
CY2017	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	-549000	USD
CY2016Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2017Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2015	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-13020000	USD
CY2016	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-6924000	USD
CY2017	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-21547000	USD
CY2015	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	1188000	USD
CY2016	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	-9000	USD
CY2017	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	0	USD
CY2015	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	-11832000	USD
CY2016	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	-6933000	USD
CY2017	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	-21547000	USD
CY2015	us-gaap	Concentration Risk Percentage1 ConcentrationRiskPercentage1	1
CY2016	us-gaap	Concentration Risk Percentage1 ConcentrationRiskPercentage1	1
CY2017	us-gaap	Concentration Risk Percentage1 ConcentrationRiskPercentage1	1
CY2016Q4	us-gaap	Cost Method Investments CostMethodInvestments	12333000	USD
CY2016	us-gaap	Costs And Expenses CostsAndExpenses	520085000	USD
CY2017Q4	us-gaap	Debt And Capital Lease Obligations DebtAndCapitalLeaseObligations	497680000	USD
CY2017Q4	us-gaap	Cost Method Investments CostMethodInvestments	12333000	USD
CY2015	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	382615000	USD
CY2016	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	381973000	USD
CY2017	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	405188000	USD
CY2015	us-gaap	Costs And Expenses CostsAndExpenses	514634000	USD
CY2017	us-gaap	Costs And Expenses CostsAndExpenses	611892000	USD
CY2015	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	2899000	USD
CY2016	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	0	USD
CY2017	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	0	USD
CY2015	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	1112000	USD
CY2016	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	-90000	USD
CY2017	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	301000	USD
CY2016Q4	us-gaap	Debt And Capital Lease Obligations DebtAndCapitalLeaseObligations	525583000	USD
CY2016	us-gaap	Debt Instrument Redemption Price Percentage DebtInstrumentRedemptionPricePercentage	1.01938
CY2016Q4	us-gaap	Debt Instrument Unamortized Discount Premium And Debt Issuance Costs Net DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet	16936000	USD
CY2017Q4	us-gaap	Debt Instrument Unamortized Discount Premium And Debt Issuance Costs Net DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet	15178000	USD
CY2017	us-gaap	Deferred Compensation Arrangement With Individual Requisite Service Period1 DeferredCompensationArrangementWithIndividualRequisiteServicePeriod1	P3Y
CY2015	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	395000	USD
CY2016	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	458000	USD
CY2017	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-15614000	USD
CY2016Q4	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	0	USD
CY2017Q4	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	11567000	USD
CY2017Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	21049000	USD
CY2016Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	121806000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	98666000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	9262000	USD
CY2016Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	24217000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	30311000	USD
CY2015	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	795000	USD
CY2016	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	583000	USD
CY2017	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-15525000	USD
CY2016Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	30395000	USD
CY2016Q4	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	6178000	USD
CY2017Q4	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	2305000	USD
CY2015	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	401000	USD
CY2016	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	126000	USD
CY2017	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	88000	USD
CY2016Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	46846000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	33228000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards Domestic DeferredTaxAssetsOperatingLossCarryforwardsDomestic	101187000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards State And Local DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal	114362000	USD
CY2016Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	2806000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	2050000	USD
CY2016Q4	us-gaap	Deferred Tax Assets Property Plant And Equipment DeferredTaxAssetsPropertyPlantAndEquipment	30012000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Property Plant And Equipment DeferredTaxAssetsPropertyPlantAndEquipment	25615000	USD
CY2016Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards Alternative Minimum Tax DeferredTaxAssetsTaxCreditCarryforwardsAlternativeMinimumTax	3804000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards Alternative Minimum Tax DeferredTaxAssetsTaxCreditCarryforwardsAlternativeMinimumTax	3804000	USD
CY2016Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards General Business DeferredTaxAssetsTaxCreditCarryforwardsGeneralBusiness	4433000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards General Business DeferredTaxAssetsTaxCreditCarryforwardsGeneralBusiness	5439000	USD
CY2016Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	1720000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	1958000	USD
CY2016Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals	32185000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals	26572000	USD
CY2016Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	97589000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	68355000	USD
CY2016Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	6178000	USD
CY2016Q4	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets	30296000	USD
CY2017Q4	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets	20904000	USD
CY2016Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	99000	USD
CY2017Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	145000	USD
CY2015	us-gaap	Defined Contribution Plan Employer Discretionary Contribution Amount DefinedContributionPlanEmployerDiscretionaryContributionAmount	1033000	USD
CY2016	us-gaap	Defined Contribution Plan Employer Discretionary Contribution Amount DefinedContributionPlanEmployerDiscretionaryContributionAmount	1119000	USD
CY2017	us-gaap	Defined Contribution Plan Employer Discretionary Contribution Amount DefinedContributionPlanEmployerDiscretionaryContributionAmount	1187000	USD
CY2015	us-gaap	Depreciation Depreciation	33168000	USD
CY2016	us-gaap	Depreciation Depreciation	33186000	USD
CY2017	us-gaap	Depreciation Depreciation	32131000	USD
CY2015	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	62704000	USD
CY2016	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	61856000	USD
CY2017	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	62102000	USD
CY2017Q4	us-gaap	Derivative Assets Noncurrent DerivativeAssetsNoncurrent	401000	USD
CY2015	us-gaap	Derivative Instruments Not Designated As Hedging Instruments Gain Loss Net DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet	-227000	USD
CY2016	us-gaap	Derivative Instruments Not Designated As Hedging Instruments Gain Loss Net DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet	0	USD
CY2017	us-gaap	Derivative Instruments Not Designated As Hedging Instruments Gain Loss Net DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet	0	USD
CY2017Q4	us-gaap	Derivative Liabilities Current DerivativeLiabilitiesCurrent	123000	USD
CY2016Q1	us-gaap	Derivative Number Of Instruments Held DerivativeNumberOfInstrumentsHeld	1	Agreement
CY2016Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.19
CY2016Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.13
CY2016Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.18
CY2016Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.29
CY2017Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.01
CY2017Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-1.28
CY2017Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.29
CY2017Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.48
CY2015	us-gaap	Earnings Per Share Basic And Diluted EarningsPerShareBasicAndDiluted	-0.32
CY2016	us-gaap	Earnings Per Share Basic And Diluted EarningsPerShareBasicAndDiluted	-0.17
CY2017	us-gaap	Earnings Per Share Basic And Diluted EarningsPerShareBasicAndDiluted	-0.52
CY2016Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.19
CY2016Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.12
CY2016Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.18
CY2016Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.29
CY2017Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.01
CY2017Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-1.28
CY2017Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.28
CY2017Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.46
CY2015	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.35
CY2016	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.35
CY2017	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.35
CY2016Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	12505000	USD
CY2017Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	12183000	USD
CY2015	us-gaap	Environmental Remediation Expense EnvironmentalRemediationExpense	0	USD
CY2016	us-gaap	Environmental Remediation Expense EnvironmentalRemediationExpense	900000	USD
CY2017	us-gaap	Environmental Remediation Expense EnvironmentalRemediationExpense	0	USD
CY2016Q4	us-gaap	Equity Method Investments EquityMethodInvestments	0	USD
CY2017Q4	us-gaap	Equity Method Investments EquityMethodInvestments	0	USD
CY2015	us-gaap	Excess Tax Benefit From Share Based Compensation Financing Activities ExcessTaxBenefitFromShareBasedCompensationFinancingActivities	185000	USD
CY2016	us-gaap	Excess Tax Benefit From Share Based Compensation Financing Activities ExcessTaxBenefitFromShareBasedCompensationFinancingActivities	0	USD
CY2017	us-gaap	Excess Tax Benefit From Share Based Compensation Financing Activities ExcessTaxBenefitFromShareBasedCompensationFinancingActivities	0	USD
CY2015	us-gaap	Excess Tax Benefit From Share Based Compensation Operating Activities ExcessTaxBenefitFromShareBasedCompensationOperatingActivities	185000	USD
CY2016	us-gaap	Excess Tax Benefit From Share Based Compensation Operating Activities ExcessTaxBenefitFromShareBasedCompensationOperatingActivities	0	USD
CY2017	us-gaap	Excess Tax Benefit From Share Based Compensation Operating Activities ExcessTaxBenefitFromShareBasedCompensationOperatingActivities	0	USD
CY2015	us-gaap	Fair Value Of Assets Acquired FairValueOfAssetsAcquired	3264000	USD
CY2016	us-gaap	Fair Value Of Assets Acquired FairValueOfAssetsAcquired	2299000	USD
CY2017	us-gaap	Fair Value Of Assets Acquired FairValueOfAssetsAcquired	3564000	USD
CY2015	us-gaap	Federal Income Tax Expense Benefit Continuing Operations FederalIncomeTaxExpenseBenefitContinuingOperations	395000	USD
CY2016	us-gaap	Federal Income Tax Expense Benefit Continuing Operations FederalIncomeTaxExpenseBenefitContinuingOperations	458000	USD
CY2017	us-gaap	Federal Income Tax Expense Benefit Continuing Operations FederalIncomeTaxExpenseBenefitContinuingOperations	-15614000	USD
CY2017	us-gaap	Finite Lived Intangible Asset Useful Life FiniteLivedIntangibleAssetUsefulLife	P10Y
CY2017Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	28030000	USD
CY2017Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense After Year Five FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive	1110000	USD
CY2016Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	25969000	USD
CY2017Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	2021000	USD
CY2017Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	821000	USD
CY2017Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	1128000	USD
CY2017Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	1432000	USD
CY2017Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	1637000	USD
CY2016Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	33665000	USD
CY2017Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	36179000	USD
CY2016Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	7696000	USD
CY2017Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	8149000	USD
CY2015	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	0	USD
CY2016	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	574000	USD
CY2017	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	-49000	USD
CY2015	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-999000	USD
CY2016	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-13747000	USD
CY2017	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-517000	USD
CY2015	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	72892000	USD
CY2016	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	75356000	USD
CY2017	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	79243000	USD
CY2015Q4	us-gaap	Goodwill Goodwill	118976000	USD
CY2016Q4	us-gaap	Goodwill Goodwill	119899000	USD
CY2017Q4	us-gaap	Goodwill Goodwill	122605000	USD
CY2016	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	923000	USD
CY2017	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	2706000	USD
CY2015	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	USD
CY2016	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	USD
CY2017	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	USD
CY2015	us-gaap	Impairment Of Investments ImpairmentOfInvestments	2099000	USD
CY2016	us-gaap	Impairment Of Investments ImpairmentOfInvestments	0	USD
CY2017	us-gaap	Impairment Of Investments ImpairmentOfInvestments	0	USD
CY2015	us-gaap	Impairment Of Long Lived Assets To Be Disposed Of ImpairmentOfLongLivedAssetsToBeDisposedOf	0	USD
CY2016	us-gaap	Impairment Of Long Lived Assets To Be Disposed Of ImpairmentOfLongLivedAssetsToBeDisposedOf	0	USD
CY2017	us-gaap	Impairment Of Long Lived Assets To Be Disposed Of ImpairmentOfLongLivedAssetsToBeDisposedOf	47999000	USD
CY2015	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	-12969000	USD
CY2016	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	-6849000	USD
CY2017	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	-21799000	USD
CY2015	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-10430000	USD
CY2016	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-6364000	USD
CY2017	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-37052000	USD
CY2015	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1351000	USD
CY2016	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	494000	USD
CY2017	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-15253000	USD
CY2016	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	4582000	USD
CY2017	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	-29234000	USD
CY2015	us-gaap	Income Tax Reconciliation Change In Enacted Tax Rate IncomeTaxReconciliationChangeInEnactedTaxRate	0	USD
CY2016	us-gaap	Income Tax Reconciliation Change In Enacted Tax Rate IncomeTaxReconciliationChangeInEnactedTaxRate	0	USD
CY2017	us-gaap	Income Tax Reconciliation Change In Enacted Tax Rate IncomeTaxReconciliationChangeInEnactedTaxRate	33700000	USD
CY2015	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	-3650000	USD
CY2016	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	-2228000	USD
CY2017	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	-12968000	USD
CY2015	us-gaap	Income Tax Reconciliation Nondeductible Expense IncomeTaxReconciliationNondeductibleExpense	467000	USD
CY2016	us-gaap	Income Tax Reconciliation Nondeductible Expense IncomeTaxReconciliationNondeductibleExpense	100000	USD
CY2017	us-gaap	Income Tax Reconciliation Nondeductible Expense IncomeTaxReconciliationNondeductibleExpense	542000	USD
CY2015	us-gaap	Income Tax Reconciliation Nondeductible Expense Other IncomeTaxReconciliationNondeductibleExpenseOther	-415000	USD
CY2016	us-gaap	Income Tax Reconciliation Nondeductible Expense Other IncomeTaxReconciliationNondeductibleExpenseOther	0	USD
CY2017	us-gaap	Income Tax Reconciliation Nondeductible Expense Other IncomeTaxReconciliationNondeductibleExpenseOther	0	USD
CY2015	us-gaap	Income Tax Reconciliation Other Reconciling Items IncomeTaxReconciliationOtherReconcilingItems	150000	USD
CY2016	us-gaap	Income Tax Reconciliation Other Reconciling Items IncomeTaxReconciliationOtherReconcilingItems	-398000	USD
CY2017	us-gaap	Income Tax Reconciliation Other Reconciling Items IncomeTaxReconciliationOtherReconcilingItems	-137000	USD
CY2015	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	198000	USD
CY2016	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	-265000	USD
CY2017	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	-1959000	USD
CY2015	us-gaap	Income Tax Reconciliation Tax Credits IncomeTaxReconciliationTaxCredits	671000	USD
CY2016	us-gaap	Income Tax Reconciliation Tax Credits IncomeTaxReconciliationTaxCredits	1085000	USD
CY2017	us-gaap	Income Tax Reconciliation Tax Credits IncomeTaxReconciliationTaxCredits	1000000	USD
CY2015	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	282000	USD
CY2016	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	274000	USD
CY2017	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	146000	USD
CY2016Q4	us-gaap	Income Taxes Receivable IncomeTaxesReceivable	654000	USD
CY2017Q4	us-gaap	Income Taxes Receivable IncomeTaxesReceivable	522000	USD
CY2015	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-3597000	USD
CY2016	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	76000	USD
CY2017	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	2084000	USD
CY2015	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	4419000	USD
CY2016	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	1029000	USD
CY2017	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	4664000	USD
CY2015	us-gaap	Increase Decrease In Other Accounts Payable And Accrued Liabilities IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities	4140000	USD
CY2016	us-gaap	Increase Decrease In Other Accounts Payable And Accrued Liabilities IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities	-6186000	USD
CY2017	us-gaap	Increase Decrease In Other Accounts Payable And Accrued Liabilities IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities	-600000	USD
CY2015	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-5240000	USD
CY2016	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	2256000	USD
CY2017	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	1404000	USD
CY2015	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	62000	USD
CY2016	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	273000	USD
CY2017	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	295000	USD
CY2015	us-gaap	Interest Costs Capitalized Adjustment InterestCostsCapitalizedAdjustment	62000	USD
CY2016	us-gaap	Interest Costs Capitalized Adjustment InterestCostsCapitalizedAdjustment	273000	USD
CY2017	us-gaap	Interest Costs Capitalized Adjustment InterestCostsCapitalizedAdjustment	295000	USD
CY2015	us-gaap	Interest Expense InterestExpense	40420000	USD
CY2016	us-gaap	Interest Expense InterestExpense	38942000	USD
CY2017	us-gaap	Interest Expense InterestExpense	25160000	USD
CY2015	us-gaap	Interest Expense Debt Excluding Amortization InterestExpenseDebtExcludingAmortization	35868000	USD
CY2016	us-gaap	Interest Expense Debt Excluding Amortization InterestExpenseDebtExcludingAmortization	34741000	USD
CY2017	us-gaap	Interest Expense Debt Excluding Amortization InterestExpenseDebtExcludingAmortization	22060000	USD
CY2015	us-gaap	Interest Income Expense Nonoperating Net InterestIncomeExpenseNonoperatingNet	40090000	USD
CY2015	us-gaap	Interest Paid Net InterestPaidNet	35232000	USD
CY2016	us-gaap	Interest Income Expense Nonoperating Net InterestIncomeExpenseNonoperatingNet	38652000	USD
CY2017	us-gaap	Interest Income Expense Nonoperating Net InterestIncomeExpenseNonoperatingNet	24887000	USD
CY2015	us-gaap	Interest Income Other InterestIncomeOther	330000	USD
CY2016	us-gaap	Interest Income Other InterestIncomeOther	290000	USD
CY2017	us-gaap	Interest Income Other InterestIncomeOther	273000	USD
CY2015	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	1495000	USD
CY2015	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-21616000	USD
CY2016	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-17238000	USD
CY2017	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-31640000	USD
CY2015	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-48784000	USD
CY2016	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-62964000	USD
CY2016Q3	us-gaap	Net Income Loss NetIncomeLoss	7537000	USD
CY2016Q4	us-gaap	Net Income Loss NetIncomeLoss	-11973000	USD
CY2016	us-gaap	Net Income Loss NetIncomeLoss	-6849000	USD
CY2017	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-76447000	USD
CY2015	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	70507000	USD
CY2016	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	80434000	USD
CY2017	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	107538000	USD
CY2015	us-gaap	Net Income Loss NetIncomeLoss	-12969000	USD
CY2016Q1	us-gaap	Net Income Loss NetIncomeLoss	-7608000	USD
CY2016Q2	us-gaap	Net Income Loss NetIncomeLoss	5195000	USD
CY2016	us-gaap	Interest Paid Net InterestPaidNet	42712000	USD
CY2017	us-gaap	Interest Paid Net InterestPaidNet	25029000	USD
CY2016Q4	us-gaap	Interest Payable Current InterestPayableCurrent	4654000	USD
CY2017Q4	us-gaap	Interest Payable Current InterestPayableCurrent	2093000	USD
CY2016Q4	us-gaap	Inventory Gross InventoryGross	4915000	USD
CY2017Q4	us-gaap	Inventory Gross InventoryGross	6534000	USD
CY2015	us-gaap	Legal Fees LegalFees	0	USD
CY2016	us-gaap	Legal Fees LegalFees	0	USD
CY2017	us-gaap	Legal Fees LegalFees	1656000	USD
CY2016Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	631512000	USD
CY2017Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	614949000	USD
CY2016Q4	us-gaap	Liabilities Current LiabilitiesCurrent	82426000	USD
CY2017Q4	us-gaap	Liabilities Current LiabilitiesCurrent	88569000	USD
CY2017Q4	us-gaap	Lines Of Credit Fair Value Disclosure LinesOfCreditFairValueDisclosure	36000000	USD
CY2016Q4	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	503961000	USD
CY2017Q4	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	477576000	USD
CY2016Q4	us-gaap	Long Term Debt And Capital Lease Obligations Current LongTermDebtAndCapitalLeaseObligationsCurrent	4686000	USD
CY2017Q4	us-gaap	Long Term Debt And Capital Lease Obligations Current LongTermDebtAndCapitalLeaseObligationsCurrent	4926000	USD
CY2016Q4	us-gaap	Long Term Debt And Capital Lease Obligations Including Current Maturities LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities	508647000	USD
CY2017Q4	us-gaap	Long Term Debt And Capital Lease Obligations Including Current Maturities LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities	482502000	USD
CY2017Q4	us-gaap	Long Term Debt And Capital Lease Obligations Maturities Repayments Of Principal After Year Five LongTermDebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalAfterYearFive	437431000	USD
CY2017Q4	us-gaap	Long Term Debt And Capital Lease Obligations Maturities Repayments Of Principal In Year Five LongTermDebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalInYearFive	4279000	USD
CY2017Q4	us-gaap	Long Term Debt And Capital Lease Obligations Maturities Repayments Of Principal In Year Four LongTermDebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalInYearFour	40773000	USD
CY2017Q4	us-gaap	Long Term Debt And Capital Lease Obligations Maturities Repayments Of Principal In Year Three LongTermDebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalInYearThree	5269000	USD
CY2017Q4	us-gaap	Long Term Debt And Capital Lease Obligations Maturities Repayments Of Principal In Year Two LongTermDebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalInYearTwo	5002000	USD
CY2017Q4	us-gaap	Long Term Debt And Capital Lease Obligations Repayments Of Principal In Next Twelve Months LongTermDebtAndCapitalLeaseObligationsRepaymentsOfPrincipalInNextTwelveMonths	4926000	USD
CY2016Q4	us-gaap	Minority Interest MinorityInterest	-24000	USD
CY2017Q4	us-gaap	Minority Interest MinorityInterest	0	USD
CY2017	us-gaap	Net Income Loss NetIncomeLoss	-21799000	USD
CY2015	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	1188000	USD
CY2016	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	-9000	USD
CY2017	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	0	USD
CY2015	us-gaap	Noncash Project Abandonment Costs NoncashProjectAbandonmentCosts	0	USD
CY2016	us-gaap	Noncash Project Abandonment Costs NoncashProjectAbandonmentCosts	0	USD
CY2017	us-gaap	Noncash Project Abandonment Costs NoncashProjectAbandonmentCosts	9149000	USD
CY2016	us-gaap	Noncontrolling Interest Increase From Subsidiary Equity Issuance NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance	59000	USD
CY2015	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-42296000	USD
CY2016	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-51309000	USD
CY2017	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-24469000	USD
CY2015	us-gaap	Number Of Businesses Acquired NumberOfBusinessesAcquired	0	transfer_station
CY2017	us-gaap	Number Of Operating Segments NumberOfOperatingSegments	2	Segment
CY2015	us-gaap	Operating Income Loss OperatingIncomeLoss	31866000	USD
CY2016Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	1974000	USD
CY2016Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	15596000	USD
CY2016Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	17378000	USD
CY2016Q4	us-gaap	Operating Income Loss OperatingIncomeLoss	9997000	USD
CY2016	us-gaap	Operating Income Loss OperatingIncomeLoss	44945000	USD
CY2017Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	6564000	USD
CY2017Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	-47279000	USD
CY2017Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	18277000	USD
CY2017Q4	us-gaap	Operating Income Loss OperatingIncomeLoss	9855000	USD
CY2017	us-gaap	Operating Income Loss OperatingIncomeLoss	-12583000	USD
CY2017Q4	us-gaap	Operating Leases Future Minimum Payments Due OperatingLeasesFutureMinimumPaymentsDue	90711000	USD
CY2017Q4	us-gaap	Operating Leases Future Minimum Payments Due Current OperatingLeasesFutureMinimumPaymentsDueCurrent	18465000	USD
CY2017Q4	us-gaap	Operating Leases Future Minimum Payments Due In Five Years OperatingLeasesFutureMinimumPaymentsDueInFiveYears	5705000	USD
CY2017Q4	us-gaap	Operating Leases Future Minimum Payments Due In Four Years OperatingLeasesFutureMinimumPaymentsDueInFourYears	7905000	USD
CY2017Q4	us-gaap	Operating Leases Future Minimum Payments Due In Three Years OperatingLeasesFutureMinimumPaymentsDueInThreeYears	10511000	USD
CY2017Q4	us-gaap	Operating Leases Future Minimum Payments Due In Two Years OperatingLeasesFutureMinimumPaymentsDueInTwoYears	14365000	USD
CY2017Q4	us-gaap	Operating Leases Future Minimum Payments Due Thereafter OperatingLeasesFutureMinimumPaymentsDueThereafter	33760000	USD
CY2015	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	9392000	USD
CY2016	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	11437000	USD
CY2017	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	12242000	USD
CY2016Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	14916000	USD
CY2017Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	19251000	USD
CY2016Q4	us-gaap	Other Assets Current OtherAssetsCurrent	1290000	USD
CY2017Q4	us-gaap	Other Assets Current OtherAssetsCurrent	1077000	USD
CY2016Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	13528000	USD
CY2017Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	13148000	USD
CY2015	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-51000	USD
CY2016	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-75000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	86000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	-169000	USD
CY2015	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-51000	USD
CY2016	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-75000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	252000	USD
CY2015	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax	0	USD
CY2016	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax	0	USD
CY2017	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax	-421000	USD
CY2015	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	0	USD
CY2016	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	0	USD
CY2017	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	155000	USD
CY2016Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	19958000	USD
CY2017Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	25106000	USD
CY2015	us-gaap	Other Nonoperating Income OtherNonoperatingIncome	1119000	USD
CY2016	us-gaap	Other Nonoperating Income OtherNonoperatingIncome	1090000	USD
CY2017	us-gaap	Other Nonoperating Income OtherNonoperatingIncome	935000	USD
CY2017	us-gaap	Payments For Rent PaymentsForRent	20000	USD
CY2015	us-gaap	Payments Of Debt Extinguishment Costs PaymentsOfDebtExtinguishmentCosts	146000	USD
CY2016	us-gaap	Payments Of Debt Extinguishment Costs PaymentsOfDebtExtinguishmentCosts	7219000	USD
CY2017	us-gaap	Payments Of Debt Extinguishment Costs PaymentsOfDebtExtinguishmentCosts	0	USD
CY2015	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	9025000	USD
CY2016	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	8146000	USD
CY2017	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	1452000	USD
CY2015	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	0	USD
CY2016	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	2839000	USD
CY2017	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	5056000	USD
CY2015	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	49995000	USD
CY2016	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	54238000	USD
CY2017	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	64862000	USD
CY2015	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	49995000	USD
CY2016	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	54200000	USD
CY2017	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	64393000	USD
CY2017Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	944000	shares
CY2016Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2017Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2016Q4	us-gaap	Prepaid Expense Current PrepaidExpenseCurrent	7989000	USD
CY2017Q4	us-gaap	Prepaid Expense Current PrepaidExpenseCurrent	8299000	USD
CY2015	us-gaap	Proceeds From Insurance Settlement Investing Activities ProceedsFromInsuranceSettlementInvestingActivities	546000	USD
CY2016	us-gaap	Proceeds From Insurance Settlement Investing Activities ProceedsFromInsuranceSettlementInvestingActivities	0	USD
CY2017	us-gaap	Proceeds From Insurance Settlement Investing Activities ProceedsFromInsuranceSettlementInvestingActivities	0	USD
CY2015	us-gaap	Proceeds From Issuance Of Long Term Debt And Capital Securities Net ProceedsFromIssuanceOfLongTermDebtAndCapitalSecuritiesNet	355229000	USD
CY2016	us-gaap	Proceeds From Issuance Of Long Term Debt And Capital Securities Net ProceedsFromIssuanceOfLongTermDebtAndCapitalSecuritiesNet	604850000	USD
CY2017	us-gaap	Proceeds From Issuance Of Long Term Debt And Capital Securities Net ProceedsFromIssuanceOfLongTermDebtAndCapitalSecuritiesNet	185500000	USD
CY2015	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans Including Stock Options ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions	161000	USD
CY2016	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans Including Stock Options ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions	128000	USD
CY2017	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans Including Stock Options ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions	1278000	USD
CY2015	us-gaap	Proceeds From Payments To Minority Shareholders ProceedsFromPaymentsToMinorityShareholders	-1495000	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
CY2015	us-gaap	Proceeds From Repayments Of Restricted Cash Financing Activities ProceedsFromRepaymentsOfRestrictedCashFinancingActivities	4471000	USD
CY2016	us-gaap	Proceeds From Repayments Of Restricted Cash Financing Activities ProceedsFromRepaymentsOfRestrictedCashFinancingActivities	1347000	USD
CY2017	us-gaap	Proceeds From Repayments Of Restricted Cash Financing Activities ProceedsFromRepaymentsOfRestrictedCashFinancingActivities	0	USD
CY2015	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	715000	USD
CY2016	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	1362000	USD
CY2017	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	711000	USD
CY2015	us-gaap	Proceeds From Sales Of Business Affiliate And Productive Assets ProceedsFromSalesOfBusinessAffiliateAndProductiveAssets	5335000	USD
CY2016	us-gaap	Proceeds From Sales Of Business Affiliate And Productive Assets ProceedsFromSalesOfBusinessAffiliateAndProductiveAssets	0	USD
CY2017	us-gaap	Proceeds From Sales Of Business Affiliate And Productive Assets ProceedsFromSalesOfBusinessAffiliateAndProductiveAssets	0	USD
CY2015	us-gaap	Profit Loss ProfitLoss	-11781000	USD
CY2016Q1	us-gaap	Profit Loss ProfitLoss	-7614000	USD
CY2016Q2	us-gaap	Profit Loss ProfitLoss	5192000	USD
CY2016Q3	us-gaap	Profit Loss ProfitLoss	7537000	USD
CY2016Q4	us-gaap	Profit Loss ProfitLoss	-11973000	USD
CY2016	us-gaap	Profit Loss ProfitLoss	-6858000	USD
CY2017Q1	us-gaap	Profit Loss ProfitLoss	-224000	USD
CY2017Q2	us-gaap	Profit Loss ProfitLoss	-53675000	USD
CY2017Q3	us-gaap	Profit Loss ProfitLoss	12080000	USD
CY2017Q4	us-gaap	Profit Loss ProfitLoss	20020000	USD
CY2017	us-gaap	Profit Loss ProfitLoss	-21799000	USD
CY2016Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	1235588000	USD
CY2017Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	1173021000	USD
CY2016Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	398466000	USD
CY2017Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	361547000	USD
CY2017	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	-421000	USD
CY2015	us-gaap	Related Party Transaction Purchases From Related Party RelatedPartyTransactionPurchasesFromRelatedParty	1341000	USD
CY2016	us-gaap	Related Party Transaction Purchases From Related Party RelatedPartyTransactionPurchasesFromRelatedParty	4024000	USD
CY2017	us-gaap	Related Party Transaction Purchases From Related Party RelatedPartyTransactionPurchasesFromRelatedParty	3377000	USD
CY2015	us-gaap	Repayments Of Long Term Debt And Capital Securities RepaymentsOfLongTermDebtAndCapitalSecurities	370996000	USD
CY2016	us-gaap	Repayments Of Long Term Debt And Capital Securities RepaymentsOfLongTermDebtAndCapitalSecurities	608198000	USD
CY2017	us-gaap	Repayments Of Long Term Debt And Capital Securities RepaymentsOfLongTermDebtAndCapitalSecurities	216966000	USD
CY2016Q4	us-gaap	Restricted Cash And Investments Noncurrent RestrictedCashAndInvestmentsNoncurrent	1002000	USD
CY2017Q4	us-gaap	Restricted Cash And Investments Noncurrent RestrictedCashAndInvestmentsNoncurrent	1220000	USD
CY2016Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-373308000	USD
CY2017Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-395107000	USD
CY2015	us-gaap	Revenues Revenues	546500000	USD
CY2016Q1	us-gaap	Revenues Revenues	125432000	USD
CY2016Q2	us-gaap	Revenues Revenues	144670000	USD
CY2016Q3	us-gaap	Revenues Revenues	151133000	USD
CY2016Q4	us-gaap	Revenues Revenues	143795000	USD
CY2016	us-gaap	Revenues Revenues	565030000	USD
CY2017Q1	us-gaap	Revenues Revenues	133802000	USD
CY2017Q2	us-gaap	Revenues Revenues	154016000	USD
CY2017Q3	us-gaap	Revenues Revenues	160269000	USD
CY2017Q4	us-gaap	Revenues Revenues	151222000	USD
CY2017	us-gaap	Revenues Revenues	599309000	USD
CY2016Q4	us-gaap	Self Insurance Reserve SelfInsuranceReserve	13707000	USD
CY2017Q4	us-gaap	Self Insurance Reserve SelfInsuranceReserve	14480000	USD
CY2015	us-gaap	Share Based Compensation ShareBasedCompensation	3079000	USD
CY2016	us-gaap	Share Based Compensation ShareBasedCompensation	3393000	USD
CY2017	us-gaap	Share Based Compensation ShareBasedCompensation	6432000	USD
CY2015	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Total Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue	2340000	USD
CY2016	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Total Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue	3238000	USD
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Total Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue	5706000	USD
CY2015	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0
CY2016	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0
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CY2016	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.0000
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.0000
CY2015	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.0202
CY2016	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.0000
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.0000
CY2017Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	527000	shares
CY2017Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	4.81
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod	27000	shares
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice	13.17
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	0	shares
CY2017Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	12495000	USD
CY2016Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	1115000	shares
CY2017Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	727000	shares
CY2016Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	6.13
CY2017Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	5.82
CY2017	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	6.20
CY2017	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	0.00
CY2015	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P7Y2M27D
CY2016	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P0Y0M1D
CY2017	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P0Y0M1D
CY2017Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	9590000	USD
CY2017	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1	P5Y7M25D
CY2017Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Number Of Shares SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares	240000	shares
CY2017Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Weighted Average Grant Date Fair Value SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue	9.16
CY2017	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P6Y4M1D
CY2017Q4	us-gaap	Significant Change In Unrecognized Tax Benefits Is Reasonably Possible Amount Of Unrecorded Benefit SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleAmountOfUnrecordedBenefit	4000	USD
CY2015	us-gaap	State And Local Income Tax Expense Benefit Continuing Operations StateAndLocalIncomeTaxExpenseBenefitContinuingOperations	956000	USD
CY2016	us-gaap	State And Local Income Tax Expense Benefit Continuing Operations StateAndLocalIncomeTaxExpenseBenefitContinuingOperations	36000	USD
CY2017	us-gaap	State And Local Income Tax Expense Benefit Continuing Operations StateAndLocalIncomeTaxExpenseBenefitContinuingOperations	361000	USD
CY2017	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	361000	shares
CY2015	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	486000	USD
CY2016	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	528000	USD
CY2017	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	1779000	USD
CY2016Q4	us-gaap	Stockholders Equity StockholdersEquity	-24526000	USD
CY2017Q4	us-gaap	Stockholders Equity StockholdersEquity	-37862000	USD
CY2014Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	-12020000	USD
CY2015Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	-21597000	USD
CY2016Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	-24550000	USD
CY2017Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	-37862000	USD
CY2015	us-gaap	Stockholders Equity Other StockholdersEquityOther	-185000	USD
CY2017	us-gaap	Stockholders Equity Other StockholdersEquityOther	-24000	USD
CY2015Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	3379000	USD
CY2016Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	3107000	USD
CY2017Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	1941000	USD
CY2016	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	2000	USD
CY2017	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	1165000	USD
CY2016	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	0	USD
CY2017	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	2000	USD
CY2015Q4	us-gaap	Unrecognized Tax Benefits Income Tax Penalties Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAccrued	8000	USD
CY2016Q4	us-gaap	Unrecognized Tax Benefits Income Tax Penalties Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAccrued	4000	USD
CY2017Q4	us-gaap	Unrecognized Tax Benefits Income Tax Penalties Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAccrued	2000	USD
CY2015Q4	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	51000	USD
CY2016Q4	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	91000	USD
CY2017Q4	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	3000	USD
CY2016	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	0	USD
CY2017	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	1000	USD
CY2015Q4	us-gaap	Unrecognized Tax Benefits Interest On Income Taxes Accrued UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued	92000	USD
CY2016Q4	us-gaap	Unrecognized Tax Benefits Interest On Income Taxes Accrued UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued	5000	USD
CY2017Q4	us-gaap	Unrecognized Tax Benefits Interest On Income Taxes Accrued UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued	3000	USD
CY2016	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	270000	USD
CY2017	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	0	USD
CY2016Q4	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	9000	USD
CY2017Q4	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	6000	USD
CY2016Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	40996000	shares
CY2016Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	41598000	shares
CY2016Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	42287000	shares
CY2016Q4	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	41422000	shares
CY2017Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	41584000	shares
CY2017Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	41811000	shares
CY2017Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	43295000	shares
CY2017Q4	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	43394000	shares
CY2015	us-gaap	Weighted Average Number Of Share Outstanding Basic And Diluted WeightedAverageNumberOfShareOutstandingBasicAndDiluted	40642000	shares
CY2016	us-gaap	Weighted Average Number Of Share Outstanding Basic And Diluted WeightedAverageNumberOfShareOutstandingBasicAndDiluted	41233000	shares
CY2017	us-gaap	Weighted Average Number Of Share Outstanding Basic And Diluted WeightedAverageNumberOfShareOutstandingBasicAndDiluted	41846000	shares
CY2015	us-gaap	Weighted Average Number Of Shares Contingently Issuable WeightedAverageNumberOfSharesContingentlyIssuable	115000	shares
CY2016	us-gaap	Weighted Average Number Of Shares Contingently Issuable WeightedAverageNumberOfSharesContingentlyIssuable	88000	shares
CY2017	us-gaap	Weighted Average Number Of Shares Contingently Issuable WeightedAverageNumberOfSharesContingentlyIssuable	38000	shares
CY2015	us-gaap	Weighted Average Number Of Shares Issued Basic WeightedAverageNumberOfSharesIssuedBasic	295000	shares
CY2016	us-gaap	Weighted Average Number Of Shares Issued Basic WeightedAverageNumberOfSharesIssuedBasic	239000	shares
CY2017	us-gaap	Weighted Average Number Of Shares Issued Basic WeightedAverageNumberOfSharesIssuedBasic	402000	shares
CY2016Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	40996000	shares
CY2016Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	41132000	shares
CY2017Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	41584000	shares
CY2016Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	41377000	shares
CY2016Q4	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	41422000	shares
CY2017Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	41811000	shares
CY2017Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	41951000	shares
CY2017Q4	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	42033000	shares
CY2017	us-gaap	Concentration Risk Credit Risk ConcentrationRiskCreditRisk	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:8px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-weight:bold;">Concentrations of Credit Risk</font></div><div style="line-height:120%;padding-top:8px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Financial instruments that potentially subject us to concentrations of credit risk consist of cash and cash equivalents, restricted cash, accounts receivable-trade and derivative instruments. We maintain cash and cash equivalents and restricted cash with banks that at times exceed applicable insurance limits. We reduce our exposure to credit risk by maintaining such deposits with high quality financial institutions. Our concentration of credit risk with respect to accounts receivable-trade is limited because of the large number and diversity of customers we serve, thus reducing the credit risk associated with any one customer group. As of </font><font style="font-family:inherit;font-size:10pt;">December 31, 2017</font><font style="font-family:inherit;font-size:10pt;">, no single customer or customer group represented greater than </font><font style="font-family:inherit;font-size:10pt;">5%</font><font style="font-family:inherit;font-size:10pt;"> of total accounts receivable - trade. We manage credit risk through credit evaluations, credit limits, and monitoring procedures, but generally do not require collateral to support accounts receivable - trade. We reduce our exposure to credit risk associated with derivative instruments by entering into agreements with high quality financial institutions and by evaluating and regularly monitoring their creditworthiness.</font></div></div>
CY2017	us-gaap	Use Of Estimates UseOfEstimates	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:8px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-weight:bold;">Management’s Estimates and Assumptions</font></div><div style="line-height:120%;padding-top:8px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Preparation of our consolidated financial statements in accordance with GAAP requires management to make certain estimates and assumptions. These estimates and assumptions affect the accounting for and recognition and disclosure of assets, liabilities, equity, revenues and expenses. We must make these estimates and assumptions because certain information that we use is dependent on future events, cannot be calculated with a high degree of precision given the available data or simply cannot be readily calculated. In some cases, these estimates are difficult to determine, and we must exercise significant judgment. In preparing our consolidated financial statements, the estimates and assumptions that we consider to be significant and that present the greatest amount of uncertainty relate to our accounting for landfills, environmental remediation liabilities, asset impairments, accounts receivable valuation allowance, self-insurance reserves, deferred taxes and uncertain tax positions, estimates of the fair values of assets acquired and liabilities assumed in any acquisition, contingent liabilities and stock-based compensation. Each of these items is discussed in more detail elsewhere in these notes to consolidated financial statements, as applicable. Actual results may differ materially from the estimates and assumptions that we use in the preparation of our consolidated financial statements.</font></div></div>

Files In Submission

Name	View Source	Status
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$CWST
CASELLA WASTE SYSTEMS INC Stock $cwst

2016 Q4 Form 10-K Financial Statement

#000091117718000007 Filed on March 02, 2018

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$CWST CASELLA WASTE SYSTEMS INC Stock $cwst

2016 Q4 Form 10-K Financial Statement

#000091117718000007 Filed on March 02, 2018

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$CWST
CASELLA WASTE SYSTEMS INC Stock $cwst