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Shareholders' Deficit - Schedule of Components of Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 25, 2024 | Sep. 27, 2023 | Sep. 25, 2024 | Sep. 27, 2023
AOCI Attributable to Parent, Net of Tax [Roll Forward] |  |  |  |
Balance as of beginning of period | $ (53,243) | $ (42,618) | $ (62,686) | $ (37,116)
Income tax expense related to items of other comprehensive income (loss) |  |  | 602 |
Balance as of end of period | (54,483) | (35,798) | (54,483) | (35,798)
Defined Benefit Plans |  |  |  |
AOCI Attributable to Parent, Net of Tax [Roll Forward] |  |  |  |
Balance as of beginning of period |  |  | (337) |
Settlement loss recognized |  |  | 26 |
Income tax expense related to items of other comprehensive income (loss) |  |  | (23) |
Balance as of end of period | (274) |  | (274) |
Amortization of net loss |  |  |  |
AOCI Attributable to Parent, Net of Tax [Roll Forward] |  |  |  |
Reclassification |  |  | 60 |
Derivatives |  |  |  |
AOCI Attributable to Parent, Net of Tax [Roll Forward] |  |  |  |
Balance as of beginning of period |  |  | (41,322) |
Reclassification |  |  | (4,626) |
Changes in the fair value of cash flow hedges |  |  | 1,650 |
Income tax expense related to items of other comprehensive income (loss) |  |  | 625 |
Balance as of end of period | (43,171) |  | (43,171) |
Amortization of unrealized losses related to interest rate swaps to interest expense, net |  |  |  |
AOCI Attributable to Parent, Net of Tax [Roll Forward] |  |  |  |
Reclassification |  |  | 502 |
Accumulated Other Comprehensive Loss, Net |  |  |  |
AOCI Attributable to Parent, Net of Tax [Roll Forward] |  |  |  |
Balance as of beginning of period | (34,461) | (40,321) | (41,659) | (42,697)
Balance as of end of period | $ (43,445) | $ (27,760) | $ (43,445) | $ (27,760)

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