DESCRIPTION OF BUSINESS AND BASIS OF PRESENTATION - Cash, Cash Equivalents and Restricted Cash (Details) - USD ($) $ in Thousands	Apr. 01, 2018	Dec. 31, 2017	Mar. 26, 2017	Dec. 25, 2016
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Cash and cash equivalents	$ 580,811	$ 581,510
Restricted cash	10,657	8,021
Total cash, cash equivalents and restricted cash shown in the Condensed Consolidated and Combined Statements of Cash Flows	$ 591,468	$ 589,531	$ 203,584	$ 297,524