Benefit Plans - Benefit Plan Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 27, 2025	Dec. 28, 2024	Dec. 30, 2023
Change in fair value of plan assets:
Beginning balance	$ 51,040
Ending balance	57,676	$ 51,040
Pension Benefits
Change in benefit obligation:
Obligation at beginning of year	47,777	54,435
Service cost	0	0
Interest cost	2,580	2,337	$ 2,454
Actuarial gain	(527)	(5,245)
Benefit payments	(3,125)	(3,263)
Foreign currency translation adjustment	3,324	(487)
Obligation at end of year	50,029	47,777	54,435
Change in fair value of plan assets:
Beginning balance	51,040	62,871
Actual return on plan assets	6,314	(7,788)
Employer contributions	0	0
Benefit payments	(3,125)	(3,263)
Foreign currency translation adjustment	3,447	(780)
Ending balance	57,676	51,040	62,871
Funded (underfunded) status at end of year	7,647	3,263
Other Benefits
Change in benefit obligation:
Obligation at beginning of year	8,317	9,557
Service cost	198	202	183
Interest cost	532	497	439
Actuarial gain	(354)	(604)
Benefit payments	(514)	(664)
Foreign currency translation adjustment	456	(671)
Obligation at end of year	8,635	8,317	9,557
Change in fair value of plan assets:
Beginning balance	0	0
Actual return on plan assets	0	0
Employer contributions	514	664
Benefit payments	(514)	(664)
Foreign currency translation adjustment	0	0
Ending balance	0	0	$ 0
Funded (underfunded) status at end of year	$ (8,635)	$ (8,317)