Shareholders' Deficit - Schedule of Components of Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 25, 2024	Dec. 27, 2023	Dec. 28, 2022
AOCI Attributable To Parent, Net Of Tax [Roll Forward]
Balance as of beginning period	$ (62,686)	$ (37,116)	$ (65,265)
Settlement loss recognized	26	35
Plan closure loss	0	(74)
Income tax (expense) benefit	(3,265)	(616)	(3,643)
Balance as of end of period	(34,025)	(62,686)	(37,116)
Effective Interest Rate Swaps
AOCI Attributable To Parent, Net Of Tax [Roll Forward]
Amortization of net loss	5,900
Expect reclassification within next twelve months	4,500
Pensions
AOCI Attributable To Parent, Net Of Tax [Roll Forward]
Balance as of beginning period	(337)	(555)	(900)
Benefit obligation actuarial gain (loss)	83	(98)	261
Settlement loss recognized	26	35	74
Income tax (expense) benefit	(44)	151	(113)
Balance as of end of period	(209)	(337)	(555)
Amortization of net loss
AOCI Attributable To Parent, Net Of Tax [Roll Forward]
Amortization of net loss	63	56	123
Plan closure loss		74
Derivatives
AOCI Attributable To Parent, Net Of Tax [Roll Forward]
Balance as of beginning period	(41,322)	(42,142)	(53,570)
Amortization of net loss	(5,916)	(5,028)	1,310
Changes in the fair value of cash flow derivatives	17,869	6,262	13,619
Income tax (expense) benefit	(3,221)	(767)	(3,530)
Balance as of end of period	(31,830)	(41,322)	(42,142)
Derivatives | Dedesignated Interest Rate Swaps Member
AOCI Attributable To Parent, Net Of Tax [Roll Forward]
Balance as of end of period	63,400
Derivatives
AOCI Attributable To Parent, Net Of Tax [Roll Forward]
Amortization of net loss	760	353	29
Derivatives | Dedesignated Interest Rate Swaps Member
AOCI Attributable To Parent, Net Of Tax [Roll Forward]
Amortization of net loss	800	400	100
Expect reclassification within next twelve months	3,100
Accumulated Other Comprehensive Loss
AOCI Attributable To Parent, Net Of Tax [Roll Forward]
Balance as of beginning period	(41,659)	(42,697)	(54,470)
Balance as of end of period	$ (32,039)	$ (41,659)	$ (42,697)