REMEDIAL LIABILITIES - Estimates (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2024 USD ($) facility business	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)
Site Contingency [Line Items]
Number of businesses acquired | business	3
Accrual for environmental loss contingencies	5.00%
Accrual for environmental loss contingencies	$ 111,745	$ 111,243	$ 116,290
% of Total	100.00%
Reasonably possible additional liabilities	$ 21,558
Loss contingency accrual	29,800	32,400
Total remedial liabilities	111,745	111,243	$ 116,290
Legal and Administrative Proceedings
Site Contingency [Line Items]
Loss contingency accrual	$ 23,300	$ 25,000
Inactive facilities not used in active conduct of the Company's business, most of which were assumed through prior period acquisitions (25 facilities)
Site Contingency [Line Items]
Number of facility by type | facility	25
Accrual for environmental loss contingencies	$ 56,976
% of Total	51.00%
Reasonably possible additional liabilities	$ 10,765
Total remedial liabilities	$ 56,976
Facilities now used in active conduct of the Company's business (62 facilities, including 24 acquired by the Company through acquisitions in 2024)
Site Contingency [Line Items]
Number of facility by type | facility	62
Number of businesses acquired | business	24
Accrual for environmental loss contingencies	$ 46,131
% of Total	41.30%
Reasonably possible additional liabilities	$ 9,497
Total remedial liabilities	$ 46,131
Superfund sites (12 sites)
Site Contingency [Line Items]
Number of facility by type | facility	12
Accrual for environmental loss contingencies	$ 8,638
% of Total	7.70%
Reasonably possible additional liabilities	$ 1,296
Total remedial liabilities	$ 8,638
Superfund sites (12 sites) | Various
Site Contingency [Line Items]
Number of facility by type | facility	12
Accrual for environmental loss contingencies	$ 8,638
% of Total	7.70%
Reasonably possible additional liabilities	$ 1,296
Total remedial liabilities	8,638
Closed incinerator and landfill | Baton Rouge, LA
Site Contingency [Line Items]
Accrual for environmental loss contingencies	$ 25,578
% of Total	22.90%
Reasonably possible additional liabilities	$ 4,303
Total remedial liabilities	25,578
Closed incinerator | Bridgeport, NJ
Site Contingency [Line Items]
Accrual for environmental loss contingencies	$ 17,417
% of Total	15.60%
Reasonably possible additional liabilities	$ 3,254
Total remedial liabilities	17,417
Idled incinerator | Mercier, Quebec
Site Contingency [Line Items]
Accrual for environmental loss contingencies	$ 10,826
% of Total	9.70%
Reasonably possible additional liabilities	$ 1,631
Total remedial liabilities	10,826
Operating solvent recycling center | Linden, NJ
Site Contingency [Line Items]
Accrual for environmental loss contingencies	$ 9,434
% of Total	8.40%
Reasonably possible additional liabilities	$ 2,148
Total remedial liabilities	$ 9,434
All other incinerators, landfills, wastewater treatment facilities and service centers (83 facilities, including 24 acquired by the Company through acquisitions in 2024) | Various
Site Contingency [Line Items]
Number of facility by type | facility	83
Accrual for environmental loss contingencies	$ 39,852
% of Total	35.70%
Reasonably possible additional liabilities	$ 8,926
Total remedial liabilities	$ 39,852