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FAIR VALUE MEASUREMENTS FAIR VALUE MEASUREMENTS (Borrowings) (Details) - USD ($)
Sep. 29, 2018
Dec. 30, 2017
Sep. 30, 2017
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]      
Long-term debt $ 798,020,000 $ 617,306,000 $ 687,074,000
Secured revolving credit facility [Member]      
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]      
Long-term debt 401,000,000 221,000,000 291,000,000
Senior Notes [Member]      
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]      
Long-term debt 400,000,000 $ 400,000,000 $ 400,000,000
Debt Instrument, face amount 400,000,000    
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 $ 406,000,000