XML 28 R18.htm IDEA: XBRL DOCUMENT
v3.21.1

CLOSURE AND POST-CLOSURE LIABILITIES | 3 Months Ended
--- | ---
Mar. 31, 2021
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, 2021 through March 31, 2021 were as follows (in thousands):
| Landfill Retirement Liability |  | Non-Landfill Retirement Liability |  | Total
Balance at January 1, 2021 | $ | 48,412 |  |  | $ | 39,514 |  |  | $ | 87,926 |
Liabilities assumed in acquisitions | — |  |  | 451 |  |  | 451 |
New asset retirement obligations | 646 |  |  | — |  |  | 646 |
Accretion | 955 |  |  | 908 |  |  | 1,863 |
Changes in estimates recorded to consolidated statement of operations | — |  |  | 29 |  |  | 29 |
Changes in estimates recorded to consolidated balance sheet | — |  |  | 1,045 |  |  | 1,045 |
Expenditures | (751) |  |  | (178) |  |  | (929) |
Currency translation and other | 65 |  |  | 9 |  |  | 74 |
Balance at March 31, 2021 | $ | 49,327 |  |  | $ | 41,778 |  |  | $ | 91,105 |
In the three months ended March 31, 2021, there were no significant charges (benefits) resulting from changes in estimates for closure and post-closure liabilities. New asset retirement obligations incurred during the first three months of 2021 were discounted at the credit-adjusted risk-free rate of 4.84%.

X
- References No definition available. + Details
Name: | us-gaap_AssetRetirementObligationDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- 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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 20 -URI http://asc.fasb.org/subtopic&trid=2175671 + Details
Name: | us-gaap_AssetRetirementObligationDisclosureTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration