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CLOSURE AND POST-CLOSURE LIABILITIES (Tables) | 3 Months Ended
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Mar. 31, 2020
Asset Retirement Obligation Disclosure [Abstract] |
Schedule of closure and post-closure liabilities | The changes to closure and post-closure liabilities (also referred to as “asset retirement obligations”) from January 1, 2020 through March 31, 2020 were as follows (in thousands):
| Landfill Retirement Liability |  | Non-Landfill Retirement Liability |  | Total
Balance at January 1, 2020 | $ | 39,401 |  |  | $ | 36,250 |  |  | $ | 75,651 |
New asset retirement obligations | 590 |  |  | — |  |  | 590 |
Accretion | 705 |  |  | 820 |  |  | 1,525 |
Changes in estimates recorded to statement of operations | 4,180 |  |  | (67 | ) |  | 4,113 |
Expenditures | (521 | ) |  | (320 | ) |  | (841 | )
Currency translation and other | (453 | ) |  | (146 | ) |  | (599 | )
Balance at March 31, 2020 | $ | 43,902 |  |  | $ | 36,537 |  |  | $ | 80,439 |

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- Definition Tabular disclosure of the changes in carrying amount of a liability for asset retirement obligations, for changes such as new obligations, changes in estimates of existing obligations, spending on existing obligations, property dispositions, and foreign currency translation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 30 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6393242&loc=d3e13201-110859 + Details
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