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REMEDIAL LIABILITIES (Tables)
 9 Months Ended
Sep. 30, 2023
Environmental Remediation Obligations [Abstract]  
Schedule of Changes to Remedial Liabilities
The changes to remedial liabilities from January 1, 2023 through September 30, 2023 were as follows (in thousands):
Remedial
Liabilities for
Landfill Sites		Remedial
Liabilities for
Inactive Sites		Remedial
Liabilities
(Including
Superfund) for
Non-Landfill
Operations		Total
Balance at January 1, 2023$1,824 $59,749 $54,717 $116,290 
Accretion66 1,918 1,181 3,165 
Changes in estimates recorded to consolidated statement of operations13 1,318 1,880 3,211 
Expenditures(39)(2,896)(8,072)(11,007)
Currency translation and other— 1 44 45 
Balance at September 30, 2023$1,864 $60,090 $49,750 $111,704