Fair Value Measurements (Tables)

6 Months Ended

Jun. 27, 2021

Fair Value Disclosures [Abstract]

Schedule of Assets and Liabilities Measured at Fair Value on Recurring Basis

The table below presents the balances of assets and liabilities measured at fair value as of June 27, 2021, December 31, 2020, and June 28, 2020 on a recurring basis as well as the fair values of other financial instruments, including their locations within the unaudited condensed consolidated balance sheets:

(In thousands)	Balance Sheet Location	Fair Value Hierarchy Level	June 27, 2021				December 31, 2020				June 28, 2020
			Carrying Value		Fair  Value		Carrying Value		Fair  Value		Carrying Value		Fair  Value
Financial assets (liabilities) measured on a recurring basis:
Short-term investments	Other current assets	Level 1	$	361	$	361	$	280	$	280	$	156	$	156
Interest rate swaps	Derivative Liability (1)	Level 2	$	(31,690)	$	(31,690)	$	(39,086)	$	(39,086)	$	(44,575)	$	(44,575)
Other financial assets (liabilities):
Term debt	Long-Term Debt (2)	Level 2	$	(264,250)	$	(258,965)	$	(264,250)	$	(253,680)	$	(264,250)	$	(252,359)
2024 senior notes	Long-Term Debt (2)	Level 1	$	(450,000)	$	(453,938)	$	(450,000)	$	(451,125)	$	(450,000)	$	(427,500)
2025 senior notes	Long-Term Debt (2)	Level 2	$	(1,000,000)	$	(1,041,250)	$	(1,000,000)	$	(1,043,750)	$	(1,000,000)	$	(992,500)
2027 senior notes	Long-Term Debt (2)	Level 1	$	(500,000)	$	(516,250)	$	(500,000)	$	(507,500)	$	(500,000)	$	(465,000)
2028 senior notes	Long-Term Debt (2)	Level 1 (3)	$	(300,000)	$	(324,000)	$	(300,000)	$	(318,000)	—		—
2029 senior notes	Long-Term Debt (2)	Level 1	$	(500,000)	$	(515,000)	$	(500,000)	$	(505,625)	$	(500,000)	$	(462,500)

(1)As of June 28, 2020, $7.3 million of the fair value of our swap portfolio was classified as current and recorded in "Other accrued liabilities".

(2)Carrying values of long-term debt balances are before reductions for debt issuance costs and original issue discount of $53.5 million, $60.0 million, and $53.7 million as of June 27, 2021, December 31, 2020, and June 28, 2020, respectively.

(3)The 2028 senior notes were based on Level 1 inputs as of June 27, 2021 and Level 2 inputs as of December 31, 2020.