v3.25.2
Fair Value Measurements
 6 Months Ended
Jun. 29, 2025
Fair Value Disclosures [Abstract]  
Fair Value Measurements Fair Value Measurements:
The table below presents the balances of assets and liabilities measured at fair value as of June 29, 2025, December 31, 2024, and June 30, 2024 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 LocationFair Value Hierarchy LevelJune 29, 2025December 31, 2024June 30, 2024
Carrying ValueFair 
Value		Carrying ValueFair 
Value		Carrying ValueFair 
Value
Financial assets (liabilities) measured on a recurring basis:
Short-term investmentsOther current assetsLevel 1$311 $311 $290 $290 $399 $399 
Other financial assets (liabilities):
Term debt
Long-Term Debt (1)
Level 2$(1,492,500)$(1,495,679)$(995,000)$(999,353)$(1,000,000)$(997,500)
2027 notes at 5.375%
Long-Term Debt (1)
Level 1$(500,000)$(500,000)$(500,000)$(493,700)$(500,000)$(491,250)
2028 notes at 6.500%
Long-Term Debt (1)
Level 1$(300,000)$(304,677)$(300,000)$(301,161)$(300,000)$(300,000)
2029 notes at 5.250%
Long-Term Debt (1)
Level 1$(500,000)$(488,280)$(500,000)$(480,755)$(500,000)$(477,500)
2025 notes at 7.000%
Long-Term Debt (1)
Level 2— — $(200,000)$(199,624)— — 
2027 notes at 5.500%
Long-Term Debt (1)
Level 2$(500,000)$(499,065)$(500,000)$(496,845)— — 
2031 notes at 7.250%
Long-Term Debt (1)
Level 2$(800,000)$(821,624)$(800,000)$(817,288)— — 
2032 notes at 6.625%
Long-Term Debt (1)
Level 2$(850,000)$(873,528)$(850,000)$(861,433)— — 
(1)Carrying values of long-term debt balances are before reductions for (1) current maturities of long-term debt of $15.0 million, $210.0 million and $10.0 million as of June 29, 2025, December 31, 2024 and June 30, 2024, respectively; (2) debt issuance costs and original issue discount of $48.6 million, $49.6 million and $29.2 million as of June 29, 2025, December 31, 2024 and June 30, 2024, respectively; and (3) acquisition fair value layers of $21.9 million and $22.6 million as of June 29, 2025 and December 31, 2024, respectively.

The carrying value of cash and cash equivalents, revolving credit loans, accounts receivable, accounts payable, and accrued liabilities approximates fair value because of the short maturity of these instruments. There were no assets measured at fair value on a non-recurring basis as of June 29, 2025, December 31, 2024 or June 30, 2024. The net plan asset for the Former Six Flags pension plan is measured at fair value annually.