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LONG-TERM DEBT - Junior Lien Term Loan Agreement (Details) - USD ($)
$ in Thousands
12 Months Ended
Jul. 16, 2018
Dec. 30, 2018
Dec. 29, 2019
LONG-TERM DEBT      
Proceeds from Issuance of Long-term debt   $ 361,449  
Long-term debt     $ 703,269
Junior Lien Term Loan Credit Agreement      
LONG-TERM DEBT      
Principal amount of debt (as a percent) 100.00%    
7.795% junior term loan due in 2030      
LONG-TERM DEBT      
Interest rate (as a percent) 7.795% 7.795% 7.795%
Long-term debt     $ 157,083
7.150% debentures due in 2027      
LONG-TERM DEBT      
Interest rate (as a percent)   7.15% 7.15%
Long-term debt     $ 7,105
6.875% debentures due in 2029      
LONG-TERM DEBT      
Interest rate (as a percent)   6.875% 6.875%
Long-term debt     $ 7,807