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CLOSURE AND POST-CLOSURE LIABILITIES | 3 Months Ended
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Mar. 31, 2026
Asset Retirement Obligation Disclosure [Abstract] |
CLOSURE AND POST-CLOSURE LIABILITIES | CLOSURE AND POST-CLOSURE LIABILITIES The changes to closure and post-closure liabilities (also referred to as “asset retirement obligations”) from January 1, 2026 through March 31, 2026 were as follows (in thousands):
| Landfill Retirement Liability |  | Non-Landfill Retirement Liability |  | Total
Balance at January 1, 2026 | $ | 59,763 |  |  | $ | 75,565 |  |  | $ | 135,328 |
New asset retirement obligations | 874 |  |  | — |  |  | 874 |
Accretion | 1,245 |  |  | 1,401 |  |  | 2,646 |
Changes in estimates recorded to consolidated statement of operations | (1,908) |  |  | 29 |  |  | (1,879) |
Changes in estimates recorded to consolidated balance sheet | — |  |  | 192 |  |  | 192 |
Expenditures | (932) |  |  | (60) |  |  | (992) |
Currency translation and other | (43) |  |  | (660) |  |  | (703) |
Balance at March 31, 2026 | $ | 58,999 |  |  | $ | 76,467 |  |  | $ | 135,466 |
In the three months ended March 31, 2026, there were no significant benefits or charges resulting from changes in estimates for closure and post-closure liabilities.

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- Definition The entire disclosure for an asset retirement obligation and the associated long-lived asset. An asset retirement obligation is a legal obligation associated with the disposal or retirement from service of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 410 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481850/410-20-50-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 410 -SubTopic 20 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/410-20/tableOfContent Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -SubTopic 20 -Topic 410 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481850/410-20-50-2 + Details
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