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EARNINGS PER SHARE - Narrative (Details) - shares
1 Months Ended 11 Months Ended 12 Months Ended
Feb. 04, 2015
Dec. 30, 2015
Dec. 30, 2015
Dec. 28, 2016
Dec. 30, 2015
Dec. 31, 2014
Stock options            
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]            
Antidilutive shares       125 2,574,981 0
Common stock | Class A Common Stock            
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]            
Shares issued during the period 5,968,841   5,750,000      
Issuance of class A common stock in settlement of unit appreciation rights (shares) 339,306 1,727,804 339,306 339,306    
Common stock | Class B Common Stock            
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]            
Shares issued during the period 30,160,694          
IPO | Common stock | Class A Common Stock            
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]            
Shares issued during the period 5,750,000