REMEDIAL LIABILITIES (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2022 USD ($)
Accrual for Environmental Loss Contingencies [Roll Forward]
Balance at January 1, 2022	$ 111,873
Liability assumed in acquisition of real estate	13,073
Measurement period adjustment from a prior period acquisition	242
Accretion	1,045
Changes in estimates recorded to consolidated statement of operations	259
Expenditures	(1,984)
Currency translation and other	221
Balance at March 31, 2022	124,729
Remedial Liabilities for Landfill Sites
Accrual for Environmental Loss Contingencies [Roll Forward]
Balance at January 1, 2022	1,780
Liability assumed in acquisition of real estate	0
Measurement period adjustment from a prior period acquisition	0
Accretion	21
Changes in estimates recorded to consolidated statement of operations	1
Expenditures	(12)
Currency translation and other	0
Balance at March 31, 2022	1,790
Remedial Liabilities for Inactive Sites
Accrual for Environmental Loss Contingencies [Roll Forward]
Balance at January 1, 2022	59,787
Liability assumed in acquisition of real estate	0
Measurement period adjustment from a prior period acquisition	0
Accretion	624
Changes in estimates recorded to consolidated statement of operations	190
Expenditures	(721)
Currency translation and other	10
Balance at March 31, 2022	59,890
Remedial Liabilities (Including Superfund) for Non-Landfill Operations
Accrual for Environmental Loss Contingencies [Roll Forward]
Balance at January 1, 2022	50,306
Liability assumed in acquisition of real estate	13,073
Measurement period adjustment from a prior period acquisition	242
Accretion	400
Changes in estimates recorded to consolidated statement of operations	68
Expenditures	(1,251)
Currency translation and other	211
Balance at March 31, 2022	$ 63,049