$CLH
CLEAN HARBORS INC Stock $clh

$clh Overview Financials Valuation SEC Filings Company Website

2024 Q1 Form 10-K Financial Statement

#000082281824000008 Filed on February 21, 2024

Income Statement

Concept	2024 Q1	2023 Q4	2023
Revenue	$1.377B	$1.338B	$5.409B
YoY Change	5.3%	4.7%	4.69%
Cost Of Revenue	$971.1M	$923.1M	$3.746B
YoY Change	4.25%	3.56%	5.71%
Gross Profit	$405.6M	$415.0M	$1.663B
YoY Change	7.92%	7.33%	2.49%
Gross Profit Margin	29.46%	31.01%	30.74%
Selling, General & Admin	$181.9M	$166.0M	$671.2M
YoY Change	9.06%	-1.71%	6.98%
% of Gross Profit	44.84%	40.0%	40.36%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$95.07M	$98.36M	$365.8M
YoY Change	12.16%	13.01%	5.23%
% of Gross Profit	23.44%	23.7%	21.99%
Operating Expenses	$181.9M	$267.7M	$671.2M
YoY Change	9.06%	3.26%	6.98%
Operating Profit	$125.5M	$147.3M	$612.4M
YoY Change	3.74%	15.62%	-3.51%
Interest Expense	-$28.54M	-$28.20M	-$108.6M
YoY Change	38.32%	-0.4%	0.87%
% of Operating Profit	-22.74%	-19.14%	-17.73%
Other Income/Expense, Net	-$1.141M	$3.148M	$2.315M
YoY Change	-1083.62%	688.97%	-6.35%
Pretax Income	$95.80M	$121.7M	$503.3M
YoY Change	-2.33%	22.88%	-6.45%
Income Tax	$25.96M	$23.38M	$125.4M
% Of Pretax Income	27.1%	19.21%	24.92%
Net Earnings	$69.83M	$98.35M	$377.9M
YoY Change	-3.55%	19.25%	-8.23%
Net Earnings / Revenue	5.07%	7.35%	6.99%
Basic Earnings Per Share	$1.29		$6.99
Diluted Earnings Per Share	$1.29	$1.81	$6.95
COMMON SHARES
Basic Shares Outstanding	53.94M shares	54.09M shares	54.07M shares
Diluted Shares Outstanding	54.21M shares		54.38M shares

Balance Sheet

Concept	2024 Q1	2023 Q4	2023
SHORT-TERM ASSETS
Cash & Short-Term Investments	$442.6M	$550.8M	$550.8M
YoY Change	17.68%	-0.69%	-0.69%
Cash & Equivalents	$337.8M	$444.7M	$444.7M
Short-Term Investments	$104.8M	$106.1M	$106.1M
Other Short-Term Assets	$103.5M	$82.94M	$82.94M
YoY Change	0.12%	0.51%	0.51%
Inventory	$354.3M	$327.5M	$327.5M
Prepaid Expenses
Receivables	$1.040B	$983.1M	$1.091B
Other Receivables	$0.00	$0.00	$0.00
Total Short-Term Assets	$2.106B	$2.052B	$2.052B
YoY Change	10.65%	0.91%	0.91%
LONG-TERM ASSETS
Property, Plant & Equipment	$2.537B	$2.380B	$2.380B
YoY Change	15.6%	10.9%	10.9%
Goodwill	$1.488B	$1.288B
YoY Change	15.57%	3.28%
Intangibles	$740.0M	$602.8M
YoY Change	16.25%	-2.9%
Long-Term Investments
YoY Change
Other Assets	$69.17M	$59.74M	$59.74M
YoY Change	10.91%	-26.97%	-26.97%
Total Long-Term Assets	$4.834B	$4.331B	$4.331B
YoY Change	15.62%	5.73%	5.73%
TOTAL ASSETS
Total Short-Term Assets	$2.106B	$2.052B	$2.052B
Total Long-Term Assets	$4.834B	$4.331B	$4.331B
Total Assets	$6.940B	$6.383B	$6.383B
YoY Change	14.07%	4.13%	4.13%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$452.8M	$451.8M	$451.8M
YoY Change	5.93%	1.16%	1.16%
Accrued Expenses	$349.4M	$397.2M	$436.6M
YoY Change	11.31%	0.11%	0.72%
Deferred Revenue	$106.4M	$95.23M
YoY Change	5.02%	1.21%
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due	$15.10M	$10.00M	$26.98M
YoY Change	51.02%	0.0%	18.48%
Total Short-Term Liabilities	$1.018B	$1.038B	$1.038B
YoY Change	9.78%	1.71%	1.71%
LONG-TERM LIABILITIES
Long-Term Debt	$2.779B	$2.292B	$2.405B
YoY Change	15.31%	-5.1%	-3.84%
Other Long-Term Liabilities	$125.4M	$118.3M	$339.5M
YoY Change	36.45%	30.25%	1.14%
Total Long-Term Liabilities	$3.611B	$3.098B	$2.745B
YoY Change	13.65%	-2.81%	-3.25%
TOTAL LIABILITIES
Total Short-Term Liabilities	$1.018B	$1.038B	$1.038B
Total Long-Term Liabilities	$3.611B	$3.098B	$2.745B
Total Liabilities	$4.628B	$4.135B	$4.135B
YoY Change	12.78%	-1.71%	-1.71%
SHAREHOLDERS EQUITY
Retained Earnings	$2.032B	$1.963B
YoY Change	22.65%	23.84%
Common Stock	$458.6M	$460.3M
YoY Change	-9.1%	-8.82%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$2.311B	$2.248B	$2.248B
YoY Change
Total Liabilities & Shareholders Equity	$6.940B	$6.383B	$6.383B
YoY Change	14.07%	4.13%	4.13%

Cashflow Statement

Concept	2024 Q1	2023 Q4	2023
OPERATING ACTIVITIES
Net Income	$69.83M	$98.35M	$377.9M
YoY Change	-3.55%	19.25%	-8.23%
Depreciation, Depletion And Amortization	$95.07M	$98.36M	$365.8M
YoY Change	12.16%	13.01%	5.23%
Cash From Operating Activities	$18.55M	$278.9M	$734.6M
YoY Change	-33.77%	3.79%	17.3%
INVESTING ACTIVITIES
Capital Expenditures	$137.9M	$111.5M	$422.3M
YoY Change	68.83%	10.03%	22.39%
Acquisitions	$475.3M		$119.6M
YoY Change	337.94%		38.62%
Other Investing Activities	-$471.4M	-$16.40M	-$150.1M
YoY Change	306.7%	192.82%	258.05%
Cash From Investing Activities	-$609.9M	-$127.9M	-$575.1M
YoY Change	208.12%	19.6%	47.85%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net			$51.16M
YoY Change			1.95%
Debt Paid & Issued, Net	$3.776M		$624.0M
YoY Change	-99.39%		439.53%
Cash From Financing Activities	$486.0M	-43.59M	-$208.9M
YoY Change	-2734.96%	-62.0%	11.52%
NET CHANGE
Cash From Operating Activities	$18.55M	278.9M	$734.6M
Cash From Investing Activities	-$609.9M	-127.9M	-$575.1M
Cash From Financing Activities	$486.0M	-43.59M	-$208.9M
Net Change In Cash	-$106.9M	107.3M	-$47.91M
YoY Change	-43.24%	128.4%	-219.68%
FREE CASH FLOW
Cash From Operating Activities	$18.55M	$278.9M	$734.6M
Capital Expenditures	$137.9M	$111.5M	$422.3M
Free Cash Flow	-$119.4M	$167.3M	$312.3M
YoY Change	122.37%	0.01%	11.06%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2023	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	671161000	usd
CY2022	clh	Accretion Of Environmental Liabilities AccretionOfEnvironmentalLiabilities	12943000	usd
CY2021	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	298135000	usd
CY2022	us-gaap	Proceeds From Divestiture Of Businesses ProceedsFromDivestitureOfBusinesses	16811000	usd
CY2021	us-gaap	Proceeds From Divestiture Of Businesses ProceedsFromDivestitureOfBusinesses	0	usd
CY2023	us-gaap	Payments To Acquire Intangible Assets PaymentsToAcquireIntangibleAssets	2649000	usd
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	1341551000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	203247000	usd
CY2021	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	18839000	usd
CY2023	dei	Entity Central Index Key EntityCentralIndexKey	0000822818
CY2023	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2023
CY2023	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2023	dei	Amendment Flag AmendmentFlag	false
CY2021	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	0	usd
CY2022Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	45253000	usd
CY2022Q4	us-gaap	Environmental Loss Contingency Current Statement Of Financial Position Extensible Enumeration EnvironmentalLossContingencyCurrentStatementOfFinancialPositionExtensibleEnumeration	http://www.cleanharbors.com/20231231#AccruedCappingClosurePostClosureAndRemedialLiabilitiesCurrent
CY2023Q4	us-gaap	Environmental Loss Contingency Current Statement Of Financial Position Extensible Enumeration EnvironmentalLossContingencyCurrentStatementOfFinancialPositionExtensibleEnumeration	http://www.cleanharbors.com/20231231#AccruedCappingClosurePostClosureAndRemedialLiabilitiesCurrent
CY2023Q4	us-gaap	Environmental Loss Contingency Statement Of Financial Position Extensible Enumeration EnvironmentalLossContingencyStatementOfFinancialPositionExtensibleEnumeration	http://fasb.org/us-gaap/2023#AccruedEnvironmentalLossContingenciesNoncurrent http://www.cleanharbors.com/20231231#AccruedCappingClosurePostClosureAndRemedialLiabilitiesCurrent
CY2023Q4	us-gaap	Finance Lease Right Of Use Asset Statement Of Financial Position Extensible List FinanceLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2023#PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization
CY2022Q4	us-gaap	Finance Lease Right Of Use Asset Statement Of Financial Position Extensible List FinanceLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2023#PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization
CY2023Q4	us-gaap	Finance Lease Liability Current Statement Of Financial Position Extensible List FinanceLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2023#AccruedLiabilitiesCurrent
CY2022Q4	us-gaap	Finance Lease Liability Current Statement Of Financial Position Extensible List FinanceLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2023#AccruedLiabilitiesCurrent
CY2022Q4	us-gaap	Finance Lease Liability Noncurrent Statement Of Financial Position Extensible List FinanceLeaseLiabilityNoncurrentStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2023#OtherLiabilitiesNoncurrent
CY2023Q4	us-gaap	Finance Lease Liability Noncurrent Statement Of Financial Position Extensible List FinanceLeaseLiabilityNoncurrentStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2023#OtherLiabilitiesNoncurrent
CY2023	dei	Document Annual Report DocumentAnnualReport	true
CY2023	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2023	dei	Document Transition Report DocumentTransitionReport	false
CY2023	dei	Entity File Number EntityFileNumber	001-34223
CY2023	dei	Entity Registrant Name EntityRegistrantName	CLEAN HARBORS, INC.
CY2023	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	MA
CY2023	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	04-2997780
CY2023	dei	Entity Address Address Line1 EntityAddressAddressLine1	42 Longwater Drive
CY2023	dei	Entity Address City Or Town EntityAddressCityOrTown	Norwell
CY2023	dei	Entity Address State Or Province EntityAddressStateOrProvince	MA
CY2023	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	02061-9149
CY2023	dei	City Area Code CityAreaCode	781
CY2023	dei	Local Phone Number LocalPhoneNumber	792-5000
CY2023	dei	Security12b Title Security12bTitle	Common Stock, $0.01 par value
CY2023	dei	Trading Symbol TradingSymbol	CLH
CY2023	dei	Security Exchange Name SecurityExchangeName	NYSE
CY2023	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2023	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2023	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2023	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2023	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2023	dei	Entity Small Business EntitySmallBusiness	false
CY2023	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2023	dei	Icfr Auditor Attestation Flag IcfrAuditorAttestationFlag	true
CY2023	dei	Document Fin Stmt Error Correction Flag DocumentFinStmtErrorCorrectionFlag	false
CY2023	dei	Entity Shell Company EntityShellCompany	false
CY2023Q2	dei	Entity Public Float EntityPublicFloat	8300000000	usd
CY2024Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	53940747	shares
CY2023	dei	Auditor Firm AuditorFirmId	34
CY2023	dei	Auditor Name AuditorName	Deloitte & Touche LLP
CY2023	dei	Auditor Location AuditorLocation	Boston, Massachusetts
CY2023Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	444698000	usd
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	492603000	usd
CY2023Q4	us-gaap	Marketable Securities Current MarketableSecuritiesCurrent	106101000	usd
CY2022Q4	us-gaap	Marketable Securities Current MarketableSecuritiesCurrent	62033000	usd
CY2023Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	42209000	usd
CY2023Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	983111000	usd
CY2022Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	964603000	usd
CY2023Q4	clh	Unbilled Accounts Receivable Current UnbilledAccountsReceivableCurrent	107859000	usd
CY2022Q4	clh	Unbilled Accounts Receivable Current UnbilledAccountsReceivableCurrent	107010000	usd
CY2023Q4	us-gaap	Inventory Net InventoryNet	327511000	usd
CY2022Q4	us-gaap	Inventory Net InventoryNet	324994000	usd
CY2023Q4	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	82939000	usd
CY2022Q4	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	82518000	usd
CY2023Q4	us-gaap	Assets Current AssetsCurrent	2052219000	usd
CY2022Q4	us-gaap	Assets Current AssetsCurrent	2033761000	usd
CY2023Q4	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset After Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization	2193318000	usd
CY2022Q4	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset After Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization	1980302000	usd
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CY2022Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	166181000	usd
CY2023Q4	us-gaap	Goodwill Goodwill	1287736000	usd
CY2022Q4	us-gaap	Goodwill Goodwill	1246878000	usd
CY2023Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	602797000	usd
CY2022Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	620782000	usd
CY2023Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	59739000	usd
CY2022Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	81803000	usd
CY2023Q4	clh	Assets Noncurrent Excluding Property Plant And Equipment AssetsNoncurrentExcludingPropertyPlantAndEquipment	2137332000	usd
CY2022Q4	clh	Assets Noncurrent Excluding Property Plant And Equipment AssetsNoncurrentExcludingPropertyPlantAndEquipment	2115644000	usd
CY2023Q4	us-gaap	Assets Assets	6382869000	usd
CY2022Q4	us-gaap	Assets Assets	6129707000	usd
CY2023Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	10000000	usd
CY2022Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	10000000	usd
CY2023Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	451806000	usd
CY2022Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	446629000	usd
CY2023Q4	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	95230000	usd
CY2022Q4	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	94094000	usd
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CY2022Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	396716000	usd
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CY2022Q4	clh	Accrued Capping Closure Post Closure And Remedial Liabilities Current AccruedCappingClosurePostClosureAndRemedialLiabilitiesCurrent	23123000	usd
CY2023Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	56430000	usd
CY2022Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	49532000	usd
CY2023Q4	us-gaap	Liabilities Current LiabilitiesCurrent	1037537000	usd
CY2022Q4	us-gaap	Liabilities Current LiabilitiesCurrent	1020094000	usd
CY2023Q4	us-gaap	Accrued Capping Closure Post Closure And Environmental Costs AccruedCappingClosurePostClosureAndEnvironmentalCosts	13556000	usd
CY2022Q4	us-gaap	Accrued Capping Closure Post Closure And Environmental Costs AccruedCappingClosurePostClosureAndEnvironmentalCosts	13205000	usd
CY2023Q4	us-gaap	Accrued Capping Closure Post Closure And Environmental Costs Noncurrent AccruedCappingClosurePostClosureAndEnvironmentalCostsNoncurrent	105044000	usd
CY2022Q4	us-gaap	Accrued Capping Closure Post Closure And Environmental Costs Noncurrent AccruedCappingClosurePostClosureAndEnvironmentalCostsNoncurrent	105596000	usd
CY2023Q4	us-gaap	Accrued Environmental Loss Contingencies Current AccruedEnvironmentalLossContingenciesCurrent	13358000	usd
CY2022Q4	us-gaap	Accrued Environmental Loss Contingencies Current AccruedEnvironmentalLossContingenciesCurrent	9918000	usd
CY2023Q4	us-gaap	Accrued Environmental Loss Contingencies Noncurrent AccruedEnvironmentalLossContingenciesNoncurrent	97885000	usd
CY2022Q4	us-gaap	Accrued Environmental Loss Contingencies Noncurrent AccruedEnvironmentalLossContingenciesNoncurrent	106372000	usd
CY2023Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	2291717000	usd
CY2022Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	2414828000	usd
CY2023Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	131743000	usd
CY2022Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	119259000	usd
CY2023Q4	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	353107000	usd
CY2022Q4	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	350389000	usd
CY2023Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	118330000	usd
CY2022Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	90847000	usd
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CY2023Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	80000000	shares
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CY2023Q4	us-gaap	Common Stock Value CommonStockValue	539000	usd
CY2022Q4	us-gaap	Common Stock Value CommonStockValue	541000	usd
CY2023Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	459728000	usd
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CY2023Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-175339000	usd
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CY2023Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	1962578000	usd
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CY2023	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	5409152000	usd
CY2022	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	5166605000	usd
CY2021	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	3805566000	usd
CY2023	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	3746124000	usd
CY2022	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	3543930000	usd
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CY2022	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	627391000	usd
CY2021	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	537962000	usd
CY2021	clh	Accretion Of Environmental Liabilities AccretionOfEnvironmentalLiabilities	11745000	usd
CY2023	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-2880000	usd
CY2023	us-gaap	Gain Loss On Sale Of Business GainLossOnSaleOfBusiness	0	usd
CY2022	us-gaap	Gain Loss On Sale Of Business GainLossOnSaleOfBusiness	8864000	usd
CY2021	us-gaap	Gain Loss On Sale Of Business GainLossOnSaleOfBusiness	0	usd
CY2023	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	503279000	usd
CY2023	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	125423000	usd
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	126254000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	203247000	usd
CY2023	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	6.99
CY2022	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	7.59
CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.73
CY2023	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	6.95
CY2022	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	7.56
CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.71
CY2023	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	54071000	shares
CY2022	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	54223000	shares
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	54514000	shares
CY2023	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	54382000	shares
CY2022	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	54487000	shares
CY2021	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	54761000	shares
CY2023	us-gaap	Net Income Loss NetIncomeLoss	377856000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	411744000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	203247000	usd
CY2023	us-gaap	Other Comprehensive Income Availableforsale Securities Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent	559000	usd
CY2022	us-gaap	Other Comprehensive Income Availableforsale Securities Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent	-413000	usd
CY2021	us-gaap	Other Comprehensive Income Availableforsale Securities Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent	-285000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax	5163000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax	61124000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax	6235000	usd
CY2023	clh	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification Realized In Net Income After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationRealizedInNetIncomeAfterTax	16425000	usd
CY2022	clh	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification Realized In Net Income After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationRealizedInNetIncomeAfterTax	683000	usd
CY2021	clh	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification Realized In Net Income After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationRealizedInNetIncomeAfterTax	-10011000	usd
CY2023	clh	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification For Settlement Of Interest Rate Hedge After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationForSettlementOfInterestRateHedgeAfterTax	5905000	usd
CY2022	clh	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification For Settlement Of Interest Rate Hedge After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationForSettlementOfInterestRateHedgeAfterTax	0	usd
CY2021	clh	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification For Settlement Of Interest Rate Hedge After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationForSettlementOfInterestRateHedgeAfterTax	0	usd
CY2023	us-gaap	Other Comprehensive Income Defined Benefit Plans Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent	550000	usd
CY2022	us-gaap	Other Comprehensive Income Defined Benefit Plans Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent	-318000	usd
CY2021	us-gaap	Other Comprehensive Income Defined Benefit Plans Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent	-1094000	usd
CY2023	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent	9000000	usd
CY2022	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent	-31515000	usd
CY2021	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent	-1590000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-8158000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	28831000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	15465000	usd
CY2023	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	369698000	usd
CY2022	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	440575000	usd
CY2021	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	218712000	usd
CY2023	us-gaap	Net Income Loss NetIncomeLoss	377856000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	411744000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	203247000	usd
CY2023	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	365761000	usd
CY2022	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	347594000	usd
CY2021	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	298135000	usd
CY2023	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	5956000	usd
CY2022	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	7783000	usd
CY2021	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	8018000	usd
CY2023	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	5309000	usd
CY2022	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	6301000	usd
CY2021	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	4245000	usd
CY2023	clh	Accretion Of Environmental Liabilities AccretionOfEnvironmentalLiabilities	13667000	usd
CY2022	clh	Accretion Of Environmental Liabilities AccretionOfEnvironmentalLiabilities	12943000	usd
CY2021	clh	Accretion Of Environmental Liabilities AccretionOfEnvironmentalLiabilities	11745000	usd
CY2023	us-gaap	Other Increase Decrease In Environmental Liabilities OtherIncreaseDecreaseInEnvironmentalLiabilities	4828000	usd
CY2022	us-gaap	Other Increase Decrease In Environmental Liabilities OtherIncreaseDecreaseInEnvironmentalLiabilities	8272000	usd
CY2021	us-gaap	Other Increase Decrease In Environmental Liabilities OtherIncreaseDecreaseInEnvironmentalLiabilities	2979000	usd
CY2023	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	12685000	usd
CY2022	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	17549000	usd
CY2021	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	1482000	usd
CY2023	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	2315000	usd
CY2022	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	2472000	usd
CY2021	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-515000	usd
CY2023	us-gaap	Share Based Compensation ShareBasedCompensation	20703000	usd
CY2022	us-gaap	Share Based Compensation ShareBasedCompensation	26844000	usd
CY2021	us-gaap	Share Based Compensation ShareBasedCompensation	18839000	usd
CY2023	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-2880000	usd
CY2022	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-422000	usd
CY2021	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	0	usd
CY2023	us-gaap	Gain Loss On Sale Of Business GainLossOnSaleOfBusiness	0	usd
CY2022	us-gaap	Gain Loss On Sale Of Business GainLossOnSaleOfBusiness	8864000	usd
CY2021	us-gaap	Gain Loss On Sale Of Business GainLossOnSaleOfBusiness	0	usd
CY2023	us-gaap	Payments For Environmental Liabilities PaymentsForEnvironmentalLiabilities	28960000	usd
CY2022	us-gaap	Payments For Environmental Liabilities PaymentsForEnvironmentalLiabilities	13946000	usd
CY2021	us-gaap	Payments For Environmental Liabilities PaymentsForEnvironmentalLiabilities	15506000	usd
CY2023	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-2453000	usd
CY2022	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	201087000	usd
CY2021	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	96551000	usd
CY2023	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	4312000	usd
CY2022	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	74547000	usd
CY2023	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	22645000	usd
CY2021	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	108398000	usd
CY2022	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	30521000	usd
CY2021	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	22872000	usd
CY2023	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	734552000	usd
CY2022	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	626214000	usd
CY2021	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	545997000	usd
CY2023	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	422300000	usd
CY2022	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	345056000	usd
CY2021	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	241856000	usd
CY2023	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	9650000	usd
CY2022	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	8779000	usd
CY2021	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	22156000	usd
CY2023	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	119596000	usd
CY2022	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	86278000	usd
CY2021	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	1253232000	usd
CY2023	us-gaap	Proceeds From Divestiture Of Businesses ProceedsFromDivestitureOfBusinesses	750000	usd
CY2022	us-gaap	Payments To Acquire Intangible Assets PaymentsToAcquireIntangibleAssets	1966000	usd
CY2021	us-gaap	Payments To Acquire Intangible Assets PaymentsToAcquireIntangibleAssets	3848000	usd
CY2023	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	158264000	usd
CY2022	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	49845000	usd
CY2021	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	129234000	usd
CY2023	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	117359000	usd
CY2022	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	68611000	usd
CY2021	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	98412000	usd
CY2023	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-575050000	usd
CY2022	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-388944000	usd
CY2021	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-1507602000	usd
CY2023	us-gaap	Increase Decrease In Outstanding Checks Financing Activities IncreaseDecreaseInOutstandingChecksFinancingActivities	2759000	usd
CY2022	us-gaap	Increase Decrease In Outstanding Checks Financing Activities IncreaseDecreaseInOutstandingChecksFinancingActivities	552000	usd
CY2021	us-gaap	Increase Decrease In Outstanding Checks Financing Activities IncreaseDecreaseInOutstandingChecksFinancingActivities	-1806000	usd
CY2023	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	13838000	usd
CY2022	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	8801000	usd
CY2021	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	10805000	usd
CY2023	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	51164000	usd
CY2022	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	50183000	usd
CY2021	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	54410000	usd
CY2023	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	6736000	usd
CY2022	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	410000	usd
CY2021	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	13737000	usd
CY2023	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	15937000	usd
CY2022	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	12821000	usd
CY2021	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	8458000	usd
CY2023	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	623975000	usd
CY2022	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	115652000	usd
CY2021	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	7535000	usd
CY2023	us-gaap	Proceeds From Issuance Of Unsecured Debt ProceedsFromIssuanceOfUnsecuredDebt	500000000	usd
CY2022	us-gaap	Proceeds From Issuance Of Unsecured Debt ProceedsFromIssuanceOfUnsecuredDebt	0	usd
CY2021	us-gaap	Proceeds From Issuance Of Unsecured Debt ProceedsFromIssuanceOfUnsecuredDebt	995000000	usd
CY2023	us-gaap	Proceeds From Lines Of Credit ProceedsFromLinesOfCredit	114000000	usd
CY2022	us-gaap	Proceeds From Lines Of Credit ProceedsFromLinesOfCredit	0	usd
CY2021	us-gaap	Proceeds From Lines Of Credit ProceedsFromLinesOfCredit	0	usd
CY2023	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	114000000	usd
CY2022	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	0	usd
CY2021	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	0	usd
CY2023	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-208891000	usd
CY2022	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-187315000	usd
CY2021	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	898249000	usd
CY2023	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	1484000	usd
CY2022	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	-9927000	usd
CY2021	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	-3170000	usd
CY2023	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-47905000	usd
CY2022	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	40028000	usd
CY2021	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-66526000	usd
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	492603000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	452575000	usd
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	519101000	usd
CY2023Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	444698000	usd
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	492603000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	452575000	usd
CY2023	us-gaap	Interest Paid Net InterestPaidNet	114560000	usd
CY2022	us-gaap	Interest Paid Net InterestPaidNet	105643000	usd
CY2021	us-gaap	Interest Paid Net InterestPaidNet	73440000	usd
CY2023	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	132314000	usd
CY2022	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	78526000	usd
CY2021	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	65192000	usd
CY2023	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	52376000	usd
CY2022	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	30950000	usd
CY2021	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	19264000	usd
CY2023	clh	Remedial Liability Assumed In Acquisition Of Property Plant And Equipment RemedialLiabilityAssumedInAcquisitionOfPropertyPlantAndEquipment	0	usd
CY2022	clh	Remedial Liability Assumed In Acquisition Of Property Plant And Equipment RemedialLiabilityAssumedInAcquisitionOfPropertyPlantAndEquipment	8092000	usd
CY2021	clh	Remedial Liability Assumed In Acquisition Of Property Plant And Equipment RemedialLiabilityAssumedInAcquisitionOfPropertyPlantAndEquipment	0	usd
CY2021Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2023Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2022Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2021	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	15465000	usd
CY2021	us-gaap	Stock Issued During Period Value Restricted Stock Award Net Of Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures	-10805000	usd
CY2021	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	54410000	usd
CY2021Q4	us-gaap	Stockholders Equity StockholdersEquity	1513887000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	411744000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	28831000	usd
CY2022	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	26844000	usd
CY2022	us-gaap	Stock Issued During Period Value Restricted Stock Award Net Of Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures	-8801000	usd
CY2022	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	50183000	usd
CY2022Q4	us-gaap	Stockholders Equity StockholdersEquity	1922322000	usd
CY2023	us-gaap	Net Income Loss NetIncomeLoss	377856000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-8158000	usd
CY2023	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	20703000	usd
CY2023	us-gaap	Stock Issued During Period Value Restricted Stock Award Net Of Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures	-13838000	usd
CY2023	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	51379000	usd
CY2023Q4	us-gaap	Stockholders Equity StockholdersEquity	2247506000	usd
CY2023	us-gaap	Use Of Estimates UseOfEstimates	<div style="margin-bottom:8pt;text-indent:22.5pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:400;line-height:120%">Use of Estimates</span></div><div style="margin-bottom:8pt;text-indent:24.75pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">The preparation of consolidated financial statements in conformity with U.S. Generally Accepted Accounting Principles (GAAP), requires management to make estimates and assumptions about future events that affect the amounts reported in the consolidated financial statements and the accompanying notes. Management bases its estimates on historical experience and other assumptions that it believes to be reasonable at the time. Actual results could differ from those estimates, and any such differences may be material to the consolidated financial statements. Estimates and assumptions are reviewed periodically and the effects of changes, if any, are reflected in our consolidated financial statements in the period they are determined.</span></div>
CY2023Q4	us-gaap	Cash Equivalents At Carrying Value CashEquivalentsAtCarryingValue	27542000	usd
CY2022Q4	us-gaap	Cash Equivalents At Carrying Value CashEquivalentsAtCarryingValue	34008000	usd
CY2023Q4	us-gaap	Marketable Securities Current MarketableSecuritiesCurrent	106101000	usd
CY2022Q4	us-gaap	Marketable Securities Current MarketableSecuritiesCurrent	62033000	usd
CY2023Q4	clh	Cash Equivalentsand Marketable Securities Current CashEquivalentsandMarketableSecuritiesCurrent	133643000	usd
CY2022Q4	clh	Cash Equivalentsand Marketable Securities Current CashEquivalentsandMarketableSecuritiesCurrent	96041000	usd
CY2023Q4	clh	Cash And Cash Equivalents Bank Disbursement Account Minimum Balance Allowed CashAndCashEquivalentsBankDisbursementAccountMinimumBalanceAllowed	0	usd
CY2023	us-gaap	Number Of Reporting Units NumberOfReportingUnits	4	reporting_unit
CY2023	us-gaap	Concentration Risk Credit Risk ConcentrationRiskCreditRisk	<div style="margin-bottom:8pt;text-indent:22.5pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:400;line-height:120%">Credit Concentration</span></div><div style="margin-bottom:8pt;text-indent:24.75pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Concentration of credit risks in accounts receivable is limited due to the large number of customers comprising the Company's customer base throughout North America. The Company maintains policies over credit extension that include credit evaluations, credit limits and collection monitoring procedures on a customer-by-customer basis. However, the Company generally does not require collateral before services are performed. No individual customer accounted for more than 10% of accounts receivable or more than 10% of total third-party revenues in the periods presented.</span></div>
CY2023	us-gaap	Impairment Of Long Lived Assets Held For Use ImpairmentOfLongLivedAssetsHeldForUse	0	usd
CY2022	us-gaap	Impairment Of Long Lived Assets Held For Use ImpairmentOfLongLivedAssetsHeldForUse	0	usd
CY2021	us-gaap	Impairment Of Long Lived Assets Held For Use ImpairmentOfLongLivedAssetsHeldForUse	0	usd
CY2023Q4	clh	Number Of Landfill Sites NumberOfLandfillSites	8	landfill_site
CY2022Q4	clh	Permitted But Not Highly Probable Airspace PermittedButNotHighlyProbableAirspace	0	cubic_yard
CY2023Q4	clh	Permitted But Not Highly Probable Airspace PermittedButNotHighlyProbableAirspace	0	cubic_yard
CY2022Q4	clh	Probable Airspace ProbableAirspace	28270000	cubic_yard
CY2021Q4	clh	Probable Airspace ProbableAirspace	23784000	cubic_yard
CY2023	clh	Changes In Highly Probable Airspace ChangesInHighlyProbableAirspace	464000	cubic_yard
CY2022	clh	Changes In Highly Probable Airspace ChangesInHighlyProbableAirspace	5579000	cubic_yard
CY2023	clh	Consumed Airspace ConsumedAirspace	981000	cubic_yard
CY2022	clh	Consumed Airspace ConsumedAirspace	1093000	cubic_yard
CY2023Q4	clh	Probable Airspace ProbableAirspace	27753000	cubic_yard
CY2022Q4	clh	Probable Airspace ProbableAirspace	28270000	cubic_yard
CY2023Q4	clh	Landfill Final Closure And Post Closure Liabilities LandfillFinalClosureAndPostClosureLiabilities	59400000	usd
CY2022Q4	clh	Landfill Final Closure And Post Closure Liabilities LandfillFinalClosureAndPostClosureLiabilities	62300000	usd
CY2023	clh	Regulatory Post Closure Period For Landfill RegulatoryPostClosurePeriodForLandfill	P30Y
CY2023	clh	Asset Retirement Obligations Discount Rate AssetRetirementObligationsDiscountRate	0.0651
CY2022	clh	Asset Retirement Obligations Discount Rate AssetRetirementObligationsDiscountRate	0.0537
CY2023Q4	clh	Non Landfill Closure And Post Closure Liabilities NonLandfillClosureAndPostClosureLiabilities	59200000	usd
CY2022Q4	clh	Non Landfill Closure And Post Closure Liabilities NonLandfillClosureAndPostClosureLiabilities	56600000	usd
CY2023Q4	us-gaap	Accrual For Environmental Loss Contingencies AccrualForEnvironmentalLossContingencies	111200000	usd
CY2022Q4	us-gaap	Accrual For Environmental Loss Contingencies AccrualForEnvironmentalLossContingencies	116300000	usd
CY2023	us-gaap	Defined Contribution Plan Employer Discretionary Contribution Amount DefinedContributionPlanEmployerDiscretionaryContributionAmount	28800000	usd
CY2022	us-gaap	Defined Contribution Plan Employer Discretionary Contribution Amount DefinedContributionPlanEmployerDiscretionaryContributionAmount	25300000	usd
CY2021	us-gaap	Defined Contribution Plan Employer Discretionary Contribution Amount DefinedContributionPlanEmployerDiscretionaryContributionAmount	20500000	usd
CY2023	us-gaap	Advertising Expense AdvertisingExpense	10900000	usd
CY2022	us-gaap	Advertising Expense AdvertisingExpense	9400000	usd
CY2021	us-gaap	Advertising Expense AdvertisingExpense	6000000	usd
CY2023	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	5409152000	usd
CY2023	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	5409152000	usd
CY2022	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	5166605000	usd
CY2022	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	5166605000	usd
CY2021	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	3805566000	usd
CY2021	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	3805566000	usd
CY2023Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	983111000	usd
CY2022Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	964603000	usd
CY2023Q4	clh	Unbilled Accounts Receivable Current UnbilledAccountsReceivableCurrent	107859000	usd
CY2022Q4	clh	Unbilled Accounts Receivable Current UnbilledAccountsReceivableCurrent	107010000	usd
CY2023Q4	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	95230000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	46639000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	43231000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	41385000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	39245000	usd
CY2022Q4	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	94094000	usd
CY2023	clh	Deferred Contract Cost Recognition Period DeferredContractCostRecognitionPeriod	P3M
CY2023Q4	us-gaap	Capitalized Contract Cost Net CapitalizedContractCostNet	29900000	usd
CY2022Q4	us-gaap	Capitalized Contract Cost Net CapitalizedContractCostNet	29700000	usd
CY2023	clh	Deferred Contract Cost Recognition Period DeferredContractCostRecognitionPeriod	P3M
CY2023Q4	us-gaap	Inventory Net InventoryNet	327511000	usd
CY2022Q4	us-gaap	Inventory Net InventoryNet	324994000	usd
CY2023Q4	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset Before Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization	4964301000	usd
CY2022Q4	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset Before Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization	4466429000	usd
CY2023Q4	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization	2770983000	usd
CY2022Q4	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization	2486127000	usd
CY2023Q4	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset After Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization	2193318000	usd
CY2022Q4	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset After Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization	1980302000	usd
CY2023	clh	Depreciation Inclusiveof Amortization DepreciationInclusiveofAmortization	315500000	usd
CY2022	clh	Depreciation Inclusiveof Amortization DepreciationInclusiveofAmortization	297400000	usd
CY2021	clh	Depreciation Inclusiveof Amortization DepreciationInclusiveofAmortization	263400000	usd
CY2023	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	6600000	usd
CY2022	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	3400000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	37975000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense After Year Five FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive	274037000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	482512000	usd
CY2023Q4	us-gaap	Intangible Assets Gross Excluding Goodwill IntangibleAssetsGrossExcludingGoodwill	1017094000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	414297000	usd
CY2023Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	602797000	usd
CY2022Q4	us-gaap	Intangible Assets Gross Excluding Goodwill IntangibleAssetsGrossExcludingGoodwill	984004000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	363222000	usd
CY2022Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	620782000	usd
CY2023	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	50300000	usd
CY2022	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	50200000	usd
CY2021	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	34700000	usd
CY2021Q4	us-gaap	Goodwill Goodwill	1227042000	usd
CY2022	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	34510000	usd
CY2022	us-gaap	Goodwill Purchase Accounting Adjustments GoodwillPurchaseAccountingAdjustments	-6762000	usd
CY2022	us-gaap	Goodwill Written Off Related To Sale Of Business Unit GoodwillWrittenOffRelatedToSaleOfBusinessUnit	4412000	usd
CY2022	us-gaap	Goodwill Foreign Currency Translation Gain Loss GoodwillForeignCurrencyTranslationGainLoss	-3500000	usd
CY2022Q4	us-gaap	Goodwill Goodwill	1246878000	usd
CY2023	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	39346000	usd
CY2023	us-gaap	Goodwill Purchase Accounting Adjustments GoodwillPurchaseAccountingAdjustments	360000	usd
CY2023	us-gaap	Goodwill Foreign Currency Translation Gain Loss GoodwillForeignCurrencyTranslationGainLoss	1152000	usd
CY2023Q4	us-gaap	Goodwill Goodwill	1287736000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	896809000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	414297000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	482512000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	861470000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	363222000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	498248000	usd
CY2023Q4	us-gaap	Accrued Insurance Current AccruedInsuranceCurrent	107658000	usd
CY2022Q4	us-gaap	Accrued Insurance Current AccruedInsuranceCurrent	92909000	usd
CY2023Q4	us-gaap	Interest Payable Current InterestPayableCurrent	33857000	usd
CY2022Q4	us-gaap	Interest Payable Current InterestPayableCurrent	20033000	usd
CY2023Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	113236000	usd
CY2022Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	123226000	usd
CY2023Q4	us-gaap	Taxes Payable Current TaxesPayableCurrent	44752000	usd
CY2022Q4	us-gaap	Taxes Payable Current TaxesPayableCurrent	61442000	usd
CY2023Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	97654000	usd
CY2022Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	99106000	usd
CY2023Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	397157000	usd
CY2022Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	396716000	usd
CY2023Q4	clh	Accrued Insurance Employee Medical Insurance Costs AccruedInsuranceEmployeeMedicalInsuranceCosts	22800000	usd
CY2022Q4	clh	Accrued Insurance Employee Medical Insurance Costs AccruedInsuranceEmployeeMedicalInsuranceCosts	16400000	usd
CY2023Q4	clh	Accrual For Workers Compensation Comprehensive General Liability And Vehicle Liability Self Insurance Programs AccrualForWorkersCompensationComprehensiveGeneralLiabilityAndVehicleLiabilitySelfInsurancePrograms	82700000	usd
CY2022Q4	clh	Accrual For Workers Compensation Comprehensive General Liability And Vehicle Liability Self Insurance Programs AccrualForWorkersCompensationComprehensiveGeneralLiabilityAndVehicleLiabilitySelfInsurancePrograms	74900000	usd
CY2021Q4	us-gaap	Asset Retirement Obligation AssetRetirementObligation	99103000	usd
CY2022	clh	Asset Retirement Obligation Liabilities Assumedin Acquisition AssetRetirementObligationLiabilitiesAssumedinAcquisition	55000	usd
CY2022	clh	Asset Retirement Obligation Measurement Period Adjustments From Prior Period Acquisitions AssetRetirementObligationMeasurementPeriodAdjustmentsFromPriorPeriodAcquisitions	1148000	usd
CY2022	us-gaap	Asset Retirement Obligation Liabilities Incurred AssetRetirementObligationLiabilitiesIncurred	3743000	usd
CY2022	us-gaap	Asset Retirement Obligation Accretion Expense AssetRetirementObligationAccretionExpense	8752000	usd
CY2022	clh	Asset Retirement Obligation Changes Recorded In Statement Of Income AssetRetirementObligationChangesRecordedInStatementOfIncome	-6775000	usd
CY2022	clh	Asset Retirement Obligation Changes Recorded In Balance Sheet AssetRetirementObligationChangesRecordedInBalanceSheet	4961000	usd
CY2022	clh	Asset Retirement Obligation Payments AssetRetirementObligationPayments	5151000	usd
CY2022	us-gaap	Asset Retirement Obligation Foreign Currency Translation Gain Loss AssetRetirementObligationForeignCurrencyTranslationGainLoss	585000	usd
CY2022Q4	us-gaap	Asset Retirement Obligation AssetRetirementObligation	118801000	usd
CY2023	clh	Asset Retirement Obligation Liabilities Assumedin Acquisition AssetRetirementObligationLiabilitiesAssumedinAcquisition	574000	usd
CY2023	clh	Asset Retirement Obligation Measurement Period Adjustments From Prior Period Acquisitions AssetRetirementObligationMeasurementPeriodAdjustmentsFromPriorPeriodAcquisitions	3015000	usd
CY2023	us-gaap	Asset Retirement Obligation Liabilities Incurred AssetRetirementObligationLiabilitiesIncurred	3092000	usd
CY2023	us-gaap	Asset Retirement Obligation Accretion Expense AssetRetirementObligationAccretionExpense	9477000	usd
CY2023	clh	Asset Retirement Obligation Changes Recorded In Statement Of Income AssetRetirementObligationChangesRecordedInStatementOfIncome	-1200000	usd
CY2023	clh	Asset Retirement Obligation Changes Recorded In Balance Sheet AssetRetirementObligationChangesRecordedInBalanceSheet	-2106000	usd
CY2023	clh	Asset Retirement Obligation Payments AssetRetirementObligationPayments	15684000	usd
CY2023	us-gaap	Asset Retirement Obligation Foreign Currency Translation Gain Loss AssetRetirementObligationForeignCurrencyTranslationGainLoss	-231000	usd
CY2023Q4	us-gaap	Asset Retirement Obligation AssetRetirementObligation	118600000	usd
CY2023Q4	clh	Anticipated Payment For Asset Retirement Obligations Year One AnticipatedPaymentForAssetRetirementObligationsYearOne	15698000	usd
CY2023Q4	clh	Anticipated Payment For Asset Retirement Obligations Year Two AnticipatedPaymentForAssetRetirementObligationsYearTwo	16694000	usd
CY2023Q4	clh	Anticipated Payment For Asset Retirement Obligations Year Three AnticipatedPaymentForAssetRetirementObligationsYearThree	14750000	usd
CY2023Q4	clh	Anticipated Payment For Asset Retirement Obligations Year Four AnticipatedPaymentForAssetRetirementObligationsYearFour	3955000	usd
CY2023Q4	clh	Anticipated Payment For Asset Retirement Obligations Year Five AnticipatedPaymentForAssetRetirementObligationsYearFive	13628000	usd
CY2023Q4	clh	Anticipated Payment For Asset Retirement Obligations After Year Five AnticipatedPaymentForAssetRetirementObligationsAfterYearFive	252110000	usd
CY2023Q4	clh	Undiscounted Closure And Post Closure Liabilities UndiscountedClosureAndPostClosureLiabilities	316835000	usd
CY2023Q4	clh	Discount Reserves DiscountReserves	114325000	usd
CY2023Q4	clh	Reserves To Be Provided Over Remaining Site Lives ReservesToBeProvidedOverRemainingSiteLives	83910000	usd
CY2023Q4	us-gaap	Asset Retirement Obligation AssetRetirementObligation	118600000	usd
CY2021Q4	us-gaap	Accrual For Environmental Loss Contingencies AccrualForEnvironmentalLossContingencies	111873000	usd
CY2022	us-gaap	Accrual For Environmental Loss Contingencies Increase Decrease For Acquisitions And Divestitures AccrualForEnvironmentalLossContingenciesIncreaseDecreaseForAcquisitionsAndDivestitures	8092000	usd
CY2022	clh	Accrual For Environmental Loss Contingencies Measurement Period Adjustments From Prior Period Acquisitions AccrualForEnvironmentalLossContingenciesMeasurementPeriodAdjustmentsFromPriorPeriodAcquisitions	338000	usd
CY2022	us-gaap	Accrual For Environmental Loss Contingencies Charges To Expense For New Losses AccrualForEnvironmentalLossContingenciesChargesToExpenseForNewLosses	4191000	usd
CY2022	us-gaap	Accrual For Environmental Loss Contingencies Increase Decrease For Revision In Estimates AccrualForEnvironmentalLossContingenciesIncreaseDecreaseForRevisionInEstimates	1497000	usd
CY2022	us-gaap	Accrual For Environmental Loss Contingencies Payments1 AccrualForEnvironmentalLossContingenciesPayments1	8795000	usd
CY2022	clh	Accrual For Environmental Loss Contingencies Increase Decrease For Currency Translation And Other AccrualForEnvironmentalLossContingenciesIncreaseDecreaseForCurrencyTranslationAndOther	906000	usd
CY2022Q4	us-gaap	Accrual For Environmental Loss Contingencies AccrualForEnvironmentalLossContingencies	116290000	usd
CY2023	us-gaap	Accrual For Environmental Loss Contingencies Charges To Expense For New Losses AccrualForEnvironmentalLossContingenciesChargesToExpenseForNewLosses	4190000	usd
CY2023	us-gaap	Accrual For Environmental Loss Contingencies Increase Decrease For Revision In Estimates AccrualForEnvironmentalLossContingenciesIncreaseDecreaseForRevisionInEstimates	3628000	usd
CY2023	us-gaap	Accrual For Environmental Loss Contingencies Payments1 AccrualForEnvironmentalLossContingenciesPayments1	13276000	usd
CY2023	clh	Accrual For Environmental Loss Contingencies Increase Decrease For Currency Translation And Other AccrualForEnvironmentalLossContingenciesIncreaseDecreaseForCurrencyTranslationAndOther	-411000	usd
CY2023Q4	us-gaap	Accrual For Environmental Loss Contingencies AccrualForEnvironmentalLossContingencies	111243000	usd
CY2022	clh	Accrual For Environmental Loss Contingencies Increase Decrease For Acquisition Of Real Estate AccrualForEnvironmentalLossContingenciesIncreaseDecreaseForAcquisitionOfRealEstate	8100000	usd
CY2023Q4	us-gaap	Accrual For Environmental Loss Contingencies Undiscounted Due Within One Year AccrualForEnvironmentalLossContingenciesUndiscountedDueWithinOneYear	13898000	usd
CY2023Q4	us-gaap	Accrual For Environmental Loss Contingencies Undiscounted Due In Second Year AccrualForEnvironmentalLossContingenciesUndiscountedDueInSecondYear	19253000	usd
CY2023Q4	us-gaap	Accrual For Environmental Loss Contingencies Undiscounted Due In Third Year AccrualForEnvironmentalLossContingenciesUndiscountedDueInThirdYear	9006000	usd
CY2023Q4	us-gaap	Accrual For Environmental Loss Contingencies Undiscounted Due In Fourth Year AccrualForEnvironmentalLossContingenciesUndiscountedDueInFourthYear	7001000	usd
CY2023Q4	us-gaap	Accrual For Environmental Loss Contingencies Undiscounted Due In Fifth Year AccrualForEnvironmentalLossContingenciesUndiscountedDueInFifthYear	7767000	usd
CY2023Q4	us-gaap	Accrual For Environmental Loss Contingencies Undiscounted Due After Fifth Year AccrualForEnvironmentalLossContingenciesUndiscountedDueAfterFifthYear	71737000	usd
CY2023Q4	us-gaap	Accrual For Environmental Loss Contingencies Gross AccrualForEnvironmentalLossContingenciesGross	128662000	usd
CY2023Q4	us-gaap	Accrual For Environmental Loss Contingencies Discount AccrualForEnvironmentalLossContingenciesDiscount	17419000	usd
CY2023Q4	us-gaap	Accrual For Environmental Loss Contingencies AccrualForEnvironmentalLossContingencies	111243000	usd
CY2023Q4	us-gaap	Accrual For Environmental Loss Contingencies AccrualForEnvironmentalLossContingencies	111243000	usd
CY2023	clh	Accrual For Environmental Loss Contingencies Percent Of Total AccrualForEnvironmentalLossContingenciesPercentOfTotal	1.000
CY2023	us-gaap	Environmental Exit Costs Reasonably Possible Additional Loss EnvironmentalExitCostsReasonablyPossibleAdditionalLoss	21815000	usd
CY2023Q4	clh	Accrualfor Environmental Loss Contingencies Threshold For Disclosure AccrualforEnvironmentalLossContingenciesThresholdForDisclosure	0.05
CY2023Q4	clh	Accrualfor Environmental Loss Contingencies Threshold For Disclosure AccrualforEnvironmentalLossContingenciesThresholdForDisclosure	0.05
CY2023Q4	us-gaap	Accrual For Environmental Loss Contingencies AccrualForEnvironmentalLossContingencies	111243000	usd
CY2023	clh	Accrual For Environmental Loss Contingencies Percent Of Total AccrualForEnvironmentalLossContingenciesPercentOfTotal	1.000
CY2023	us-gaap	Environmental Exit Costs Reasonably Possible Additional Loss EnvironmentalExitCostsReasonablyPossibleAdditionalLoss	21815000	usd
CY2023Q4	us-gaap	Accrual For Environmental Loss Contingencies AccrualForEnvironmentalLossContingencies	111200000	usd
CY2023Q4	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	2315000000	usd
CY2022Q4	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	2438975000	usd
CY2023Q4	us-gaap	Debt Instrument Unamortized Discount Premium And Debt Issuance Costs Net DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet	23283000	usd
CY2022Q4	us-gaap	Debt Instrument Unamortized Discount Premium And Debt Issuance Costs Net DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet	24147000	usd
CY2023Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	2291717000	usd
CY2022Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	2414828000	usd
CY2023Q4	us-gaap	Long Term Debt Fair Value LongTermDebtFairValue	2300000000	usd
CY2022Q4	us-gaap	Long Term Debt Fair Value LongTermDebtFairValue	2400000000	usd
CY2023	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-2900000	usd
CY2023Q4	us-gaap	Line Of Credit Facility Remaining Borrowing Capacity LineOfCreditFacilityRemainingBorrowingCapacity	265700000	usd
CY2023Q4	us-gaap	Letters Of Credit Outstanding Amount LettersOfCreditOutstandingAmount	134300000	usd
CY2023	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	401912000	usd
CY2022	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	406206000	usd
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	223438000	usd
CY2023	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	101367000	usd
CY2022	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	131792000	usd
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	46277000	usd
CY2023	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	503279000	usd
CY2022	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	537998000	usd
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	269715000	usd
CY2023	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	64164000	usd
CY2022	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	52237000	usd
CY2021	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	42480000	usd
CY2023	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	25496000	usd
CY2022	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	26980000	usd
CY2021	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	18126000	usd
CY2023	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	23078000	usd
CY2022	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	29488000	usd
CY2021	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	4380000	usd
CY2023	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	112738000	usd
CY2022	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	108705000	usd
CY2021	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	64986000	usd
CY2023	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	18251000	usd
CY2022	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	32199000	usd
CY2021	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	2275000	usd
CY2023	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-9049000	usd
CY2022	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-2432000	usd
CY2021	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-4777000	usd
CY2023	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	3483000	usd
CY2022	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-12218000	usd
CY2021	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	3984000	usd
CY2023	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	12685000	usd
CY2022	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	17549000	usd
CY2021	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	1482000	usd
CY2023	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	125423000	usd
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	126254000	usd
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	66468000	usd
CY2023	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.249
CY2022	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.235
CY2021	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.246
CY2023	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	105689000	usd
CY2022	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	112980000	usd
CY2021	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	56640000	usd
CY2023	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	18067000	usd
CY2022	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	19831000	usd
CY2021	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	12101000	usd
CY2023	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	4213000	usd
CY2022	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	6196000	usd
CY2021	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	1922000	usd
CY2023	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	-7699000	usd
CY2022	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	-18769000	usd
CY2021	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	-9139000	usd
CY2023	clh	Effective Income Tax Rate Reconciliation Uncertain Tax Position Interest And Penalties Amount EffectiveIncomeTaxRateReconciliationUncertainTaxPositionInterestAndPenaltiesAmount	7000	usd
CY2022	clh	Effective Income Tax Rate Reconciliation Uncertain Tax Position Interest And Penalties Amount EffectiveIncomeTaxRateReconciliationUncertainTaxPositionInterestAndPenaltiesAmount	2454000	usd
CY2021	clh	Effective Income Tax Rate Reconciliation Uncertain Tax Position Interest And Penalties Amount EffectiveIncomeTaxRateReconciliationUncertainTaxPositionInterestAndPenaltiesAmount	-263000	usd
CY2023	clh	Effective Income Tax Rate Reconciliation Tax Credits Expired Used Amount EffectiveIncomeTaxRateReconciliationTaxCreditsExpiredUsedAmount	-1653000	usd
CY2022	clh	Effective Income Tax Rate Reconciliation Tax Credits Expired Used Amount EffectiveIncomeTaxRateReconciliationTaxCreditsExpiredUsedAmount	-2768000	usd
CY2021	clh	Effective Income Tax Rate Reconciliation Tax Credits Expired Used Amount EffectiveIncomeTaxRateReconciliationTaxCreditsExpiredUsedAmount	-2530000	usd
CY2023	us-gaap	Income Tax Reconciliation Nondeductible Expense IncomeTaxReconciliationNondeductibleExpense	2898000	usd
CY2022	us-gaap	Income Tax Reconciliation Nondeductible Expense IncomeTaxReconciliationNondeductibleExpense	2754000	usd
CY2021	us-gaap	Income Tax Reconciliation Nondeductible Expense IncomeTaxReconciliationNondeductibleExpense	2326000	usd
CY2023	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	609000	usd
CY2022	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	2948000	usd
CY2021	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-175000	usd
CY2023	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	125423000	usd
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	126254000	usd
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	66468000	usd
CY2023Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Allowance For Doubtful Accounts DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts	10882000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Allowance For Doubtful Accounts DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts	11544000	usd
CY2023Q4	clh	Deferred Tax Assets Closure Post Closure And Remedial Liabilities DeferredTaxAssetsClosurePostClosureAndRemedialLiabilities	31944000	usd
CY2022Q4	clh	Deferred Tax Assets Closure Post Closure And Remedial Liabilities DeferredTaxAssetsClosurePostClosureAndRemedialLiabilities	31837000	usd
CY2023Q4	clh	Deferred Tax Assets Operating Lease Liabilities DeferredTaxAssetsOperatingLeaseLiabilities	46784000	usd
CY2022Q4	clh	Deferred Tax Assets Operating Lease Liabilities DeferredTaxAssetsOperatingLeaseLiabilities	42255000	usd
CY2023Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Accrued Liabilities DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities	14963000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Accrued Liabilities DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities	19311000	usd
CY2023Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Employee Compensation DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation	15058000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Employee Compensation DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation	20171000	usd
CY2023Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	39042000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	41585000	usd
CY2023Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards DeferredTaxAssetsTaxCreditCarryforwards	6531000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards DeferredTaxAssetsTaxCreditCarryforwards	8903000	usd
CY2023Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	3516000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	3988000	usd
CY2023Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	4843000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	7487000	usd
CY2023Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	173563000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	187081000	usd
CY2023Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	284997000	usd
CY2022Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	281131000	usd
CY2023Q4	clh	Deferred Tax Liabilities Operating Lease Right Of Use Assets DeferredTaxLiabilitiesOperatingLeaseRightOfUseAssets	46584000	usd
CY2022Q4	clh	Deferred Tax Liabilities Operating Lease Right Of Use Assets DeferredTaxLiabilitiesOperatingLeaseRightOfUseAssets	41939000	usd
CY2023Q4	us-gaap	Deferred Tax Liabilities Derivatives DeferredTaxLiabilitiesDerivatives	9576000	usd
CY2022Q4	us-gaap	Deferred Tax Liabilities Derivatives DeferredTaxLiabilitiesDerivatives	17587000	usd
CY2023Q4	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets	130391000	usd
CY2022Q4	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets	132681000	usd
CY2023Q4	us-gaap	Deferred Tax Liabilities Prepaid Expenses DeferredTaxLiabilitiesPrepaidExpenses	12372000	usd
CY2022Q4	us-gaap	Deferred Tax Liabilities Prepaid Expenses DeferredTaxLiabilitiesPrepaidExpenses	12088000	usd
CY2023Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	483920000	usd
CY2022Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	485426000	usd
CY2023Q4	clh	Deferred Tax Liabilities Net Before Valuation Allowance DeferredTaxLiabilitiesNetBeforeValuationAllowance	310357000	usd
CY2022Q4	clh	Deferred Tax Liabilities Net Before Valuation Allowance DeferredTaxLiabilitiesNetBeforeValuationAllowance	298345000	usd
CY2023Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	35272000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	42509000	usd
CY2023Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	345629000	usd
CY2022Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	340854000	usd
CY2023Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards State And Local DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal	229900000	usd
CY2023Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards Domestic DeferredTaxAssetsOperatingLossCarryforwardsDomestic	26600000	usd
CY2023Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards Foreign DeferredTaxAssetsOperatingLossCarryforwardsForeign	83200000	usd
CY2023Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards Foreign DeferredTaxAssetsTaxCreditCarryforwardsForeign	4400000	usd
CY2023Q4	clh	Deferred Tax Assets Valuation Allowance Foreign Tax Credits DeferredTaxAssetsValuationAllowanceForeignTaxCredits	4422000	usd
CY2022Q4	clh	Deferred Tax Assets Valuation Allowance Foreign Tax Credits DeferredTaxAssetsValuationAllowanceForeignTaxCredits	7666000	usd
CY2023Q4	clh	Deferred Tax Assets Valuation Allowance Acquired Federal Net Operating Losses DeferredTaxAssetsValuationAllowanceAcquiredFederalNetOperatingLosses	3783000	usd
CY2022Q4	clh	Deferred Tax Assets Valuation Allowance Acquired Federal Net Operating Losses DeferredTaxAssetsValuationAllowanceAcquiredFederalNetOperatingLosses	3783000	usd
CY2023Q4	clh	Deferred Tax Assets Valuation Allowance State Net Operating Loss Carryforwards DeferredTaxAssetsValuationAllowanceStateNetOperatingLossCarryforwards	4809000	usd
CY2022Q4	clh	Deferred Tax Assets Valuation Allowance State Net Operating Loss Carryforwards DeferredTaxAssetsValuationAllowanceStateNetOperatingLossCarryforwards	9928000	usd
CY2023Q4	clh	Deferred Tax Assets Valuation Allowance Foreign Net Operating Loss Carryforwards DeferredTaxAssetsValuationAllowanceForeignNetOperatingLossCarryforwards	17464000	usd
CY2022Q4	clh	Deferred Tax Assets Valuation Allowance Foreign Net Operating Loss Carryforwards DeferredTaxAssetsValuationAllowanceForeignNetOperatingLossCarryforwards	15488000	usd
CY2023Q4	clh	Deferred Tax Assets Valuation Allowance Deferred Tax Assets Of Subsidiary DeferredTaxAssetsValuationAllowanceDeferredTaxAssetsOfSubsidiary	4489000	usd
CY2022Q4	clh	Deferred Tax Assets Valuation Allowance Deferred Tax Assets Of Subsidiary DeferredTaxAssetsValuationAllowanceDeferredTaxAssetsOfSubsidiary	5339000	usd
CY2023Q4	clh	Deferred Tax Assets Valuation Allowance Realized And Unrealized Capital Losses DeferredTaxAssetsValuationAllowanceRealizedAndUnrealizedCapitalLosses	305000	usd
CY2022Q4	clh	Deferred Tax Assets Valuation Allowance Realized And Unrealized Capital Losses DeferredTaxAssetsValuationAllowanceRealizedAndUnrealizedCapitalLosses	305000	usd
CY2023Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	35272000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	42509000	usd
CY2023	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	377856000	usd
CY2023	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	377856000	usd
CY2022	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	411744000	usd
CY2022	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	411744000	usd
CY2021	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	203247000	usd
CY2021	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	203247000	usd
CY2023	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	54071000	shares
CY2022	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	54223000	shares
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	54514000	shares
CY2023	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	311000	shares
CY2022	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	264000	shares
CY2021	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	247000	shares
CY2023	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	54382000	shares
CY2022	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	54487000	shares
CY2021	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	54761000	shares
CY2023	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	6.99
CY2022	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	7.59
CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.73
CY2023	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	6.95
CY2022	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	7.56
CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.71
CY2023	clh	Number Of Performance Stock Awards That Performance Criteria Not Attained NumberOfPerformanceStockAwardsThatPerformanceCriteriaNotAttained	88876	shares
CY2022	clh	Number Of Performance Stock Awards That Performance Criteria Not Attained NumberOfPerformanceStockAwardsThatPerformanceCriteriaNotAttained	0	shares
CY2021	clh	Number Of Performance Stock Awards That Performance Criteria Not Attained NumberOfPerformanceStockAwardsThatPerformanceCriteriaNotAttained	14237	shares
CY2023Q4	us-gaap	Stock Repurchase Program Authorized Amount1 StockRepurchaseProgramAuthorizedAmount1	500000000	usd
CY2023Q4	us-gaap	Stock Repurchase Program Remaining Authorized Repurchase Amount1 StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1	554100000	usd
CY2023	us-gaap	Stock Repurchased And Retired During Period Shares StockRepurchasedAndRetiredDuringPeriodShares	300000	shares
CY2022	us-gaap	Stock Repurchased And Retired During Period Shares StockRepurchasedAndRetiredDuringPeriodShares	500000	shares
CY2021	us-gaap	Stock Repurchased And Retired During Period Shares StockRepurchasedAndRetiredDuringPeriodShares	600000	shares
CY2023	clh	Stock Repurchased And Retired During Period Value Excluding Exercise Tax StockRepurchasedAndRetiredDuringPeriodValueExcludingExerciseTax	51200000	usd
CY2022	clh	Stock Repurchased And Retired During Period Value Excluding Exercise Tax StockRepurchasedAndRetiredDuringPeriodValueExcludingExerciseTax	50200000	usd
CY2021	clh	Stock Repurchased And Retired During Period Value Excluding Exercise Tax StockRepurchasedAndRetiredDuringPeriodValueExcludingExerciseTax	54400000	usd
CY2021	us-gaap	Oci Before Reclassifications Before Tax Attributable To Parent OciBeforeReclassificationsBeforeTaxAttributableToParent	5695000	usd
CY2021	us-gaap	Reclassification From Aoci Current Period Before Tax Attributable To Parent ReclassificationFromAociCurrentPeriodBeforeTaxAttributableToParent	-10011000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Tax Portion Attributable To Parent1 OtherComprehensiveIncomeLossTaxPortionAttributableToParent1	241000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	15465000	usd
CY2022	us-gaap	Oci Before Reclassifications Before Tax Attributable To Parent OciBeforeReclassificationsBeforeTaxAttributableToParent	47088000	usd
CY2022	us-gaap	Reclassification From Aoci Current Period Before Tax Attributable To Parent ReclassificationFromAociCurrentPeriodBeforeTaxAttributableToParent	683000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Tax Portion Attributable To Parent1 OtherComprehensiveIncomeLossTaxPortionAttributableToParent1	17574000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	28831000	usd
CY2023	us-gaap	Oci Before Reclassifications Before Tax Attributable To Parent OciBeforeReclassificationsBeforeTaxAttributableToParent	14061000	usd
CY2023	us-gaap	Reclassification From Aoci Current Period Before Tax Attributable To Parent ReclassificationFromAociCurrentPeriodBeforeTaxAttributableToParent	30273000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Tax Portion Attributable To Parent1 OtherComprehensiveIncomeLossTaxPortionAttributableToParent1	-8054000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-8158000	usd
CY2023	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	20700000	usd
CY2022	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	26800000	usd
CY2021	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	18800000	usd
CY2023	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	3500000	usd
CY2022	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	5000000	usd
CY2021	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	3500000	usd
CY2023Q4	us-gaap	Loss Contingency Accrual At Carrying Value LossContingencyAccrualAtCarryingValue	32400000	usd
CY2022Q4	us-gaap	Loss Contingency Accrual At Carrying Value LossContingencyAccrualAtCarryingValue	37100000	usd
CY2023Q4	us-gaap	Loss Contingency Accrual At Carrying Value LossContingencyAccrualAtCarryingValue	32400000	usd
CY2022Q4	us-gaap	Loss Contingency Accrual At Carrying Value LossContingencyAccrualAtCarryingValue	37100000	usd
CY2023	clh	Retentionfor Environmental Impairment RetentionforEnvironmentalImpairment	1000000	usd
CY2023Q4	clh	Accrued Self Insurance Liabilities AccruedSelfInsuranceLiabilities	82700000	usd
CY2022Q4	clh	Accrued Self Insurance Liabilities AccruedSelfInsuranceLiabilities	74900000	usd
CY2023	us-gaap	Financial Guarantee Insurance Contracts Claim Liability Weighted Average Risk Free Discount Rate FinancialGuaranteeInsuranceContractsClaimLiabilityWeightedAverageRiskFreeDiscountRate	0.0486
CY2022	us-gaap	Financial Guarantee Insurance Contracts Claim Liability Weighted Average Risk Free Discount Rate FinancialGuaranteeInsuranceContractsClaimLiabilityWeightedAverageRiskFreeDiscountRate	0.0436
CY2023Q4	clh	Anticipated Self Insurance Payments Year One AnticipatedSelfInsurancePaymentsYearOne	33954000	usd
CY2023Q4	clh	Anticipated Self Insurance Payments Year Two AnticipatedSelfInsurancePaymentsYearTwo	19675000	usd
CY2023Q4	clh	Anticipated Self Insurance Payments Year Three AnticipatedSelfInsurancePaymentsYearThree	14663000	usd
CY2023Q4	clh	Anticipated Self Insurance Payments Year Four AnticipatedSelfInsurancePaymentsYearFour	9153000	usd
CY2023Q4	clh	Anticipated Self Insurance Payments Year Five AnticipatedSelfInsurancePaymentsYearFive	6275000	usd
CY2023Q4	clh	Anticipated Self Insurance Payments Thereafter AnticipatedSelfInsurancePaymentsThereafter	9650000	usd
CY2023Q4	clh	Undiscounted Self Insurance Liabilities UndiscountedSelfInsuranceLiabilities	93370000	usd
CY2023Q4	clh	Self Insurance Discount Rate SelfInsuranceDiscountRate	10670000	usd
CY2023Q4	us-gaap	Self Insurance Reserve SelfInsuranceReserve	82700000	usd
CY2023Q4	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	126292000	usd
CY2022Q4	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	96207000	usd
CY2023Q4	us-gaap	Finance Lease Liability Current FinanceLeaseLiabilityCurrent	16975000	usd
CY2022Q4	us-gaap	Finance Lease Liability Current FinanceLeaseLiabilityCurrent	12767000	usd
CY2023Q4	us-gaap	Finance Lease Liability Noncurrent FinanceLeaseLiabilityNoncurrent	113486000	usd
CY2022Q4	us-gaap	Finance Lease Liability Noncurrent FinanceLeaseLiabilityNoncurrent	86390000	usd
CY2023	us-gaap	Operating Lease Cost OperatingLeaseCost	69156000	usd
CY2022	us-gaap	Operating Lease Cost OperatingLeaseCost	59041000	usd
CY2021	us-gaap	Operating Lease Cost OperatingLeaseCost	50264000	usd
CY2023	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	17183000	usd
CY2022	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	13239000	usd
CY2021	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	9504000	usd
CY2023	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	4051000	usd
CY2022	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	3011000	usd
CY2021	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	2544000	usd
CY2023	clh	Finance Lease Cost FinanceLeaseCost	21234000	usd
CY2022	clh	Finance Lease Cost FinanceLeaseCost	16250000	usd
CY2021	clh	Finance Lease Cost FinanceLeaseCost	12048000	usd
CY2023	us-gaap	Short Term Lease Cost ShortTermLeaseCost	167379000	usd
CY2022	us-gaap	Short Term Lease Cost ShortTermLeaseCost	158736000	usd
CY2021	us-gaap	Short Term Lease Cost ShortTermLeaseCost	102913000	usd
CY2023	us-gaap	Variable Lease Cost VariableLeaseCost	4887000	usd
CY2022	us-gaap	Variable Lease Cost VariableLeaseCost	4353000	usd
CY2021	us-gaap	Variable Lease Cost VariableLeaseCost	3546000	usd
CY2023	us-gaap	Lease Cost LeaseCost	262656000	usd
CY2022	us-gaap	Lease Cost LeaseCost	238380000	usd
CY2021	us-gaap	Lease Cost LeaseCost	168771000	usd
CY2023Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P3Y9M18D
CY2022Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P4Y2M12D
CY2023Q4	us-gaap	Finance Lease Weighted Average Remaining Lease Term1 FinanceLeaseWeightedAverageRemainingLeaseTerm1	P7Y1M6D
CY2022Q4	us-gaap	Finance Lease Weighted Average Remaining Lease Term1 FinanceLeaseWeightedAverageRemainingLeaseTerm1	P7Y6M
CY2023Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0468
CY2022Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0408
CY2023Q4	us-gaap	Finance Lease Weighted Average Discount Rate Percent FinanceLeaseWeightedAverageDiscountRatePercent	0.0396
CY2022Q4	us-gaap	Finance Lease Weighted Average Discount Rate Percent FinanceLeaseWeightedAverageDiscountRatePercent	0.0353
CY2023	us-gaap	Operating Lease Payments OperatingLeasePayments	71185000	usd
CY2022	us-gaap	Operating Lease Payments OperatingLeasePayments	61014000	usd
CY2021	us-gaap	Operating Lease Payments OperatingLeasePayments	50963000	usd
CY2023	us-gaap	Finance Lease Interest Payment On Liability FinanceLeaseInterestPaymentOnLiability	4051000	usd
CY2022	us-gaap	Finance Lease Interest Payment On Liability FinanceLeaseInterestPaymentOnLiability	3011000	usd
CY2021	us-gaap	Finance Lease Interest Payment On Liability FinanceLeaseInterestPaymentOnLiability	2544000	usd
CY2023	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	15937000	usd
CY2022	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	12821000	usd
CY2021	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	8458000	usd
CY2023	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	82392000	usd
CY2022	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	58230000	usd
CY2021	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	55556000	usd
CY2023	us-gaap	Right Of Use Asset Obtained In Exchange For Finance Lease Liability RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability	47238000	usd
CY2022	us-gaap	Right Of Use Asset Obtained In Exchange For Finance Lease Liability RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability	29205000	usd
CY2021	us-gaap	Right Of Use Asset Obtained In Exchange For Finance Lease Liability RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability	30476000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	66372000	usd
CY2023Q4	us-gaap	Finance Lease Liability Payments Due Next Twelve Months FinanceLeaseLiabilityPaymentsDueNextTwelveMonths	23703000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	53215000	usd
CY2023Q4	us-gaap	Finance Lease Liability Payments Due Year Two FinanceLeaseLiabilityPaymentsDueYearTwo	23017000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	38927000	usd
CY2023Q4	us-gaap	Finance Lease Liability Payments Due Year Three FinanceLeaseLiabilityPaymentsDueYearThree	23029000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	28011000	usd
CY2023Q4	us-gaap	Finance Lease Liability Payments Due Year Four FinanceLeaseLiabilityPaymentsDueYearFour	23016000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	12925000	usd
CY2023Q4	us-gaap	Finance Lease Liability Payments Due Year Five FinanceLeaseLiabilityPaymentsDueYearFive	19040000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	9408000	usd
CY2023Q4	us-gaap	Finance Lease Liability Payments Due After Year Five FinanceLeaseLiabilityPaymentsDueAfterYearFive	41681000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	208858000	usd
CY2023Q4	us-gaap	Finance Lease Liability Payments Due FinanceLeaseLiabilityPaymentsDue	153486000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	20685000	usd
CY2023Q4	us-gaap	Finance Lease Liability Undiscounted Excess Amount FinanceLeaseLiabilityUndiscountedExcessAmount	23025000	usd
CY2023Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	188173000	usd
CY2023Q4	us-gaap	Finance Lease Liability FinanceLeaseLiability	130461000	usd
CY2023	us-gaap	Number Of Operating Segments NumberOfOperatingSegments	2	segment
CY2023	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	5409152000	usd
CY2023	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	5409152000	usd
CY2022	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	5166605000	usd
CY2022	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	5166605000	usd
CY2021	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	3805566000	usd
CY2021	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	3805566000	usd
CY2023	clh	Income Loss From Continuing Operations Before Interest Tax Depreciation And Amortization Net IncomeLossFromContinuingOperationsBeforeInterestTaxDepreciationAndAmortizationNet	1012570000	usd
CY2022	clh	Income Loss From Continuing Operations Before Interest Tax Depreciation And Amortization Net IncomeLossFromContinuingOperationsBeforeInterestTaxDepreciationAndAmortizationNet	1022128000	usd
CY2021	clh	Income Loss From Continuing Operations Before Interest Tax Depreciation And Amortization Net IncomeLossFromContinuingOperationsBeforeInterestTaxDepreciationAndAmortizationNet	676606000	usd
CY2023	clh	Accretion Of Environmental Liabilities AccretionOfEnvironmentalLiabilities	13667000	usd
CY2022	clh	Accretion Of Environmental Liabilities AccretionOfEnvironmentalLiabilities	12943000	usd
CY2021	clh	Accretion Of Environmental Liabilities AccretionOfEnvironmentalLiabilities	11745000	usd
CY2023	us-gaap	Share Based Compensation ShareBasedCompensation	20703000	usd
CY2022	us-gaap	Share Based Compensation ShareBasedCompensation	26844000	usd
CY2021	us-gaap	Share Based Compensation ShareBasedCompensation	18839000	usd
CY2023	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	365761000	usd
CY2022	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	347594000	usd
CY2021	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	298135000	usd
CY2023	us-gaap	Operating Income Loss OperatingIncomeLoss	612439000	usd
CY2022	us-gaap	Operating Income Loss OperatingIncomeLoss	634747000	usd
CY2021	us-gaap	Operating Income Loss OperatingIncomeLoss	347887000	usd
CY2023	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	2315000	usd
CY2022	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	2472000	usd
CY2021	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-515000	usd
CY2023	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-2880000	usd
CY2022	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-422000	usd
CY2021	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	0	usd
CY2023	us-gaap	Gain Loss On Sale Of Business GainLossOnSaleOfBusiness	0	usd
CY2022	us-gaap	Gain Loss On Sale Of Business GainLossOnSaleOfBusiness	8864000	usd
CY2021	us-gaap	Gain Loss On Sale Of Business GainLossOnSaleOfBusiness	0	usd
CY2023	clh	Interest Expense Net InterestExpenseNet	108595000	usd
CY2022	clh	Interest Expense Net InterestExpenseNet	107663000	usd
CY2021	clh	Interest Expense Net InterestExpenseNet	77657000	usd
CY2023	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	503279000	usd
CY2022	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	537998000	usd
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	269715000	usd
CY2023Q4	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset After Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization	2193318000	usd
CY2022Q4	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset After Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization	1980302000	usd
CY2023Q4	us-gaap	Intangible Assets Net Including Goodwill IntangibleAssetsNetIncludingGoodwill	1890533000	usd
CY2022Q4	us-gaap	Intangible Assets Net Including Goodwill IntangibleAssetsNetIncludingGoodwill	1867660000	usd
CY2023Q4	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset After Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization	2193318000	usd
CY2023Q4	clh	Property Plant And Equipment Net Percent PropertyPlantAndEquipmentNetPercent	1.000
CY2022Q4	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset After Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization	1980302000	usd
CY2022Q4	clh	Property Plant And Equipment Net Percent PropertyPlantAndEquipmentNetPercent	1.000
CY2023Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	602797000	usd
CY2023Q4	clh	Intangible Assets Net Excluding Goodwill Percent IntangibleAssetsNetExcludingGoodwillPercent	1.000
CY2022Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	620782000	usd
CY2022Q4	clh	Intangible Assets Net Excluding Goodwill Percent IntangibleAssetsNetExcludingGoodwillPercent	1.000
CY2023Q4	us-gaap	Assets Assets	6382869000	usd
CY2022Q4	us-gaap	Assets Assets	6129707000	usd
CY2023Q4	ecd	Rule10b51 Arr Adopted Flag Rule10b51ArrAdoptedFlag	false
CY2023Q4	ecd	Non Rule10b51 Arr Adopted Flag NonRule10b51ArrAdoptedFlag	false
CY2023Q4	ecd	Rule10b51 Arr Trmntd Flag Rule10b51ArrTrmntdFlag	false
CY2023Q4	ecd	Non Rule10b51 Arr Trmntd Flag NonRule10b51ArrTrmntdFlag	false

Files In Submission

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$CLH
CLEAN HARBORS INC Stock $clh

2024 Q1 Form 10-K Financial Statement

#000082281824000008 Filed on February 21, 2024

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$CLH CLEAN HARBORS INC Stock $clh

2024 Q1 Form 10-K Financial Statement

#000082281824000008 Filed on February 21, 2024

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$CLH
CLEAN HARBORS INC Stock $clh