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DESCRIPTION OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Advertising Costs (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 30, 2017
Dec. 31, 2016
Dec. 26, 2015
Organization, Consolidation and Presentation of Financial Statements [Abstract]      
Advertising costs $ 1.6 $ 1.4 $ 1.2