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LONG-TERM DEBT (Schedule of Long Term Debt) (Details) - USD ($) $ in Thousands	Sep. 26, 2020	May 11, 2020	Dec. 28, 2019	Sep. 28, 2019
Debt Instrument [Line Items]
Long-term debt	$ 989,086		$ 594,672	$ 769,525
Senior Notes [Member]
Debt Instrument [Line Items]
Less unamortized issuance-related costs for senior notes	(10,914)		(5,328)	(5,475)
Senior notes, net	989,086		494,672	494,525
Secured revolving credit facility [Member]
Debt Instrument [Line Items]
Long-term debt	0		100,000	275,000
Total Senior Notes [Member]
Debt Instrument [Line Items]
Long-term Debt, Gross	1,000,000		500,000	500,000
Five Point Five Percent Senior Notes due Twenty Twenty Five [Member] \| Senior Notes [Member]
Debt Instrument [Line Items]
Long-term Debt, Gross	500,000	$ 500,000	0	0
Five Point Six Two Five Percent Senior Notes due Twenty Twenty Seven [Member] \| Senior Notes [Member]
Debt Instrument [Line Items]
Long-term Debt, Gross	$ 500,000		$ 500,000	$ 500,000