Accrued Mining and Landfill Reclamation - Activity for Asset Retirement Obligations (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
---|---|---|---|
Dec. 30, 2023 |
Dec. 31, 2022 |
Jan. 01, 2022 |
|
Asset Retirement Obligation, Activity | |||
Beginning balance | $ 40,259 | $ 45,051 | |
Acquired obligations | 802 | 739 | |
Change in cost estimate | 8,316 | (1,238) | |
Settlement of reclamation obligations | (2,295) | (2,756) | |
Dispositions | (309) | (4,150) | |
Accretion expense | 3,132 | 2,613 | $ 2,924 |
Ending balance | 49,905 | 40,259 | 45,051 |
Summit Materials, LLC | |||
Asset Retirement Obligation, Activity | |||
Beginning balance | 40,259 | 45,051 | |
Acquired obligations | 802 | 739 | |
Change in cost estimate | 8,316 | (1,238) | |
Settlement of reclamation obligations | (2,295) | (2,756) | |
Accretion expense | 3,132 | 2,613 | 2,924 |
Ending balance | $ 49,905 | $ 40,259 | $ 45,051 |