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Leases Schedule of Accounting Pronouncements (Details) - USD ($)
$ in Thousands
Mar. 31, 2021
Dec. 30, 2020
Mar. 25, 2020
Leases [Abstract]      
Prepaid Expense and Other Assets, Current $ 7,805 $ 7,074  
Property and equipment, net (348,580) (336,541)  
Operating lease assets 312,087 306,317 $ 306,317
Long-term operating lease liabilities 349,670 343,736 $ 343,736
Other long-term liabilities 22,297 24,460  
Retained earnings 13,518 12,209  
Non-controlling interests $ 26,017 $ 27,172