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DEBT - Schedule of Long-term Debt (Details) - USD ($) $ in Thousands	Sep. 26, 2021	Apr. 20, 2021	Dec. 31, 2020
Debt Instrument [Line Items]
Total long-term debt	$ 1,106,080		$ 840,000
Less: convertible notes debt discount, net	(10,545)		(16,072)
Less: current maturities of long-term debt	(7,500)		(7,500)
Total long-term debt, less current maturities, net	$ 1,077,664		810,907
1.0% convertible notes due 2023
Debt Instrument [Line Items]
Stated interest rate	1.00%
Total long-term debt	$ 172,500		172,500
Term loan due 2026
Debt Instrument [Line Items]
Total long-term debt	148,125		92,500
Less: deferred financing costs, net	(660)		(434)
Revolver
Debt Instrument [Line Items]
Total long-term debt	135,455		275,000
Senior notes
Debt Instrument [Line Items]
Less: deferred financing costs, net	(9,711)		(5,087)
Senior notes \| 7.5% senior notes due 2027
Debt Instrument [Line Items]
Stated interest rate		7.50%
Total long-term debt	$ 300,000		300,000
Senior notes \| 4.75% senior notes due 2029
Debt Instrument [Line Items]
Stated interest rate	4.75%	4.75%
Total long-term debt	$ 350,000		$ 0