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Commitments and Contingencies - Changes in Asset Retirement Obligations (Details) - USD ($)
$ in Thousands
12 Months Ended
Jan. 02, 2021
Dec. 28, 2019
Asset Retirement Obligation, Roll Forward Analysis [Roll Forward]    
Beginning asset retirement obligation $ 12,093 $ 11,862
Additions and changes in estimate 1,542 563
Liabilities settled during the period (933) (681)
Accretion expense 325 366
Currency translation 818 (17)
Ending asset retirement obligations $ 13,845 $ 12,093