Benefit Plans - Benefit Plan Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 30, 2023	Dec. 31, 2022	Dec. 25, 2021
Change in fair value of plan assets:
Beginning balance	$ 62,298
Ending balance	62,871	$ 62,298
Pension Benefits
Change in benefit obligation:
Obligation at beginning of year	50,761	84,283
Service cost	0	0
Interest cost	2,454	1,450	$ 1,272
Actuarial loss (gain)	1,508	(24,154)
Benefit payments	(3,582)	(2,512)
Plan amendments/transference	0	0
Foreign currency translation adjustment	3,294	(8,306)
Obligation at end of year	54,435	50,761	84,283
Change in fair value of plan assets:
Beginning balance	62,298	79,478
Actual return on plan assets	410	(6,371)
Employer contributions	0	0
Benefit payments	(3,582)	(2,512)
Foreign currency translation adjustment	3,745	(8,297)
Ending balance	62,871	62,298	79,478
Funded (underfunded) status at end of year	8,436	11,537
Other Benefits
Change in benefit obligation:
Obligation at beginning of year	9,240	11,825
Service cost	183	291	258
Interest cost	439	346	281
Actuarial loss (gain)	(105)	(2,604)
Benefit payments	(686)	(547)
Plan amendments/transference	101	0
Foreign currency translation adjustment	385	(71)
Obligation at end of year	9,557	9,240	11,825
Change in fair value of plan assets:
Beginning balance	0	0
Actual return on plan assets	0	0
Employer contributions	686	547
Benefit payments	(686)	(547)
Foreign currency translation adjustment	0	0
Ending balance	0	0	$ 0
Funded (underfunded) status at end of year	$ (9,557)	$ (9,240)