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GENERAL - Cash, Cash Equivalents and Restricted Cash (Details) - USD ($)
$ in Thousands
Mar. 28, 2021
Dec. 27, 2020
Mar. 29, 2020
Dec. 29, 2019
Organization, Consolidation and Presentation of Financial Statements [Abstract]        
Cash and cash equivalents $ 367,015 $ 547,624    
Restricted cash 43,225 782    
Total cash, cash equivalents and restricted cash shown in the Condensed Consolidated Statements of Cash Flows $ 410,240 $ 548,406 $ 536,417 $ 280,577