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Revenue from Contracts with Customers - Summary of Activity of Allowance for Expected Credit Losses (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 26, 2020
Sep. 28, 2019
Sep. 26, 2020
Sep. 28, 2019
Accounts Receivable, Allowance for Credit Loss [Roll Forward]        
Beginning balance     $ (3,040)  
Current-period provision for expected credit losses $ (100) $ (2,400) (482) $ (6,265)
Write-offs charged against the allowance     775  
Other adjustments     2,207  
Ending balance $ (540)   $ (540)