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Components of Other Long-term Liabilities (Details) - USD ($)
$ in Thousands
Apr. 18, 2020
Dec. 28, 2019
Other Liabilities Disclosure [Abstract]    
Deferred income $ 22,941 $ 24,840
Deferred compensation 16,553 15,558
Fair value of derivative instruments 1,222 792
Other deferred credits 1,470 1,609
Other 1,477 1,382
Total $ 43,663 $ 44,181