v3.25.3

BUSINESS COMBINATIONS - Additional Information (Details) $ in Millions			12 Months Ended
	Mar. 22, 2024 USD ($)	Mar. 01, 2024 USD ($)	Dec. 31, 2024 USD ($) business
HEPACO
Business Combination [Line Items]
Purchase price to acquire business	$ 392.2
Weighted average useful life of acquired intangible assets	19 years
HEPACO \| Minimum
Business Combination [Line Items]
Intangible asset, estimated useful life	7 years
HEPACO \| Maximum
Business Combination [Line Items]
Intangible asset, estimated useful life	20 years
Noble Oil Services , Inc. Acquisition
Business Combination [Line Items]
Purchase price to acquire business		$ 68.7
Weighted average useful life of acquired intangible assets		13 years
Noble Oil Services , Inc. Acquisition \| Minimum
Business Combination [Line Items]
Intangible asset, estimated useful life		7 years
Noble Oil Services , Inc. Acquisition \| Maximum
Business Combination [Line Items]
Intangible asset, estimated useful life		15 years
Business Combination, Series of Individually Immaterial Business Combinations
Business Combination [Line Items]
Purchase price to acquire business			$ 17.1
Number of businesses acquired \| business			3

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CLEAN HARBORS INC 10-Q