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FAIR VALUE MEASUREMENTS FAIR VALUE MEASUREMENTS (Borrowings) (Details) - USD ($)
Sep. 26, 2020
Dec. 28, 2019
Sep. 28, 2019
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]      
Long-term debt $ 989,086,000 $ 594,672,000 $ 769,525,000
Secured revolving credit facility [Member]      
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]      
Long-term debt 0 $ 100,000,000 $ 275,000,000
Senior Notes [Member]      
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]      
Debt Instrument, face amount 1,000,000,000.00    
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 $ 1,050,000,000.00