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NATURE OF OPERATIONS - Organizational Transactions (Details)
4 Months Ended 11 Months Ended 12 Months Ended
Feb. 04, 2015
shares
Feb. 04, 2015
Feb. 04, 2015
entity
Feb. 04, 2015
business
Dec. 30, 2015
shares
Dec. 30, 2015
shares
Dec. 28, 2016
shares
Dec. 30, 2015
shares
Class of Stock [Line Items]                
Number of entities acquired     2 2        
LLC interests acquired 5,968,841       2,848,035   5,207,149 6,003,308
Ownership percent of noncontrolling interest 33.30% 33.30% 33.30% 33.30% 54.60% 54.60% 69.10% 54.60%
Noncontrolling owners ownership percentage 66.70% 66.70% 66.70% 66.70% 45.40% 45.40% 30.90% 45.40%
Class A Common Stock                
Class of Stock [Line Items]                
Ratio of common stock to limited liability company interest   1            
Class A Common Stock | Common stock                
Class of Stock [Line Items]                
Shares issued during the period 5,968,841         5,750,000    
Class B Common Stock                
Class of Stock [Line Items]                
Ratio of common stock to limited liability company interest   1            
Class B Common Stock | Common stock                
Class of Stock [Line Items]                
Shares issued during the period 30,160,694              
Effect of redemption (shares) 5,968,841       2,848,035   5,207,149