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NON-CONTROLLING INTERESTS - Narrative (Details)
12 Months Ended
Feb. 04, 2015
Dec. 26, 2018
shares
Dec. 27, 2017
shares
Noncontrolling Interest [Line Items]      
Weighted average ownership percentage   23.40% 29.40%
Units acquired during the period (in shares)   2,692,660 1,003,585
Ownership percent of noncontrolling interest   79.60% 72.10%
Class A Common Stock      
Noncontrolling Interest [Line Items]      
Ratio of common stock to limited liability company interest 1    
Limited Liability Company      
Noncontrolling Interest [Line Items]      
Units acquired during the period (in shares)   2,993,356  
Number of units redeemed (in shares)   2,692,660 1,003,585
Stock options      
Noncontrolling Interest [Line Items]      
Units acquired during the period (in shares)   300,696 372,508