Debt - Long-Term Debt (Details) - USD ($) $ in Thousands	Mar. 28, 2021	Dec. 31, 2020
Debt Instrument [Line Items]
Total debt	$ 890,000	$ 890,000
Unamortized discount and debt issuance costs	(23,023)	(23,733)
Total debt, net of discount and debt issuance costs	866,977	866,267
Less current maturities of long-term debt	(5,920)	(5,961)
Total long-term debt, net of current	861,057	860,306
Secured Debt | First Term Loan
Debt Instrument [Line Items]
Total debt	$ 890,000	$ 890,000