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Accumulated Other Comprehensive Loss (Details) - USD ($)
$ in Thousands
Sep. 28, 2019
Dec. 29, 2018
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]    
Foreign currency translation loss $ (33,083) $ (20,861)
Changes in defined benefit plan liabilities (6,909) (3,919)
Total accumulated other comprehensive loss $ (39,992) $ (24,780)