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Summary of Significant Accounting Policies - Schedule of Inventory (Details) - USD ($)
$ in Thousands
Dec. 26, 2020
Dec. 28, 2019
Accounting Policies [Abstract]    
Raw materials $ 282,287 $ 260,070
Work-in-process 147,821 133,157
Finished goods 331,976 359,681
Inventories $ 762,084 $ 752,908