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FAIR VALUE MEASUREMENTS FAIR VALUE MEASUREMENTS (Borrowings) (Details) - USD ($)
Jun. 29, 2019
Dec. 29, 2018
Jun. 30, 2018
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]      
Long-term debt $ 604,377,000 $ 593,264,000 $ 682,778,000
Secured revolving credit facility [Member]      
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]      
Long-term debt 110,000,000 196,000,000 286,000,000
Senior Notes [Member]      
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]      
Long-term debt 500,000,000 $ 400,000,000 $ 400,000,000
Debt Instrument, face amount 500,000,000    
Fair Value [Member] | Fair Value, Inputs, Level 2 [Member] | Senior Notes [Member]      
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]      
Long-term debt $ 524,800,000