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DESCRIPTION OF BUSINESS AND BASIS OF PRESENTATION (Cash, Cash Equivalents and Restricted Cash) (Details) - USD ($)
$ in Thousands
Jul. 01, 2018
Dec. 31, 2017
Jun. 25, 2017
Dec. 25, 2016
Organization, Consolidation and Presentation of Financial Statements [Abstract]        
Cash and cash equivalents $ 640,842 $ 581,510    
Restricted cash 33,185 8,021    
Total cash, cash equivalents and restricted cash shown in the Condensed Consolidated and Combined Statements of Cash Flows $ 674,027 $ 589,531 $ 493,503 $ 297,524