Restructuring - Schedule of Restructuring Charges (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 04, 2026	Jun. 28, 2025	Jul. 04, 2026	Jun. 28, 2025
Restructuring Cost and Reserve [Line Items]
Total restructuring charges	$ 5,428	$ 11,157	$ 23,619	$ 45,032
Optimization Plan
Restructuring Cost and Reserve [Line Items]
Total restructuring charges	5,428		23,619
Cash restructuring charges:
Restructuring Cost and Reserve [Line Items]
Total restructuring charges		5,019		37,166
Cash restructuring charges: \| Optimization Plan
Restructuring Cost and Reserve [Line Items]
Total restructuring charges	14,788		17,443
Costs associated with the Lease Exits
Restructuring Cost and Reserve [Line Items]
Total restructuring charges		5,019		34,112
Costs associated with the Lease Exits \| Optimization Plan
Restructuring Cost and Reserve [Line Items]
Total restructuring charges	13,066		13,856
Costs associated with the Operator Agreement Terminations \| Optimization Plan
Restructuring Cost and Reserve [Line Items]
Total restructuring charges	1,133		2,742
Legal, professional and other costs
Restructuring Cost and Reserve [Line Items]
Total restructuring charges		$ 0		$ 1,522
Legal, professional and other costs \| Optimization Plan
Restructuring Cost and Reserve [Line Items]
Total restructuring charges	589		845
Net non-cash restructuring charges (credits): \| Optimization Plan
Restructuring Cost and Reserve [Line Items]
Total restructuring charges	(9,360)		6,176
Non-cash bad debt expense (credit) associated with the Operator Agreement Terminations \| Optimization Plan
Restructuring Cost and Reserve [Line Items]
Total restructuring charges	(97)		15,439
Net write-off of right-of-use assets and lease liabilities \| Optimization Plan
Restructuring Cost and Reserve [Line Items]
Total restructuring charges	(8,607)		(8,607)
Other net non-cash restructuring charges \| Optimization Plan
Restructuring Cost and Reserve [Line Items]
Total restructuring charges	$ (656)		$ (656)