Benefit Plans - Benefit Plan Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 25, 2021	Dec. 26, 2020
Change in fair value of plan assets:
Beginning balance	$ 79,478
Ending balance	62,298	$ 79,478
Pension Benefits
Change in benefit obligation:
Obligation at beginning of year	84,283	90,809
Service cost	0	0
Interest cost	1,450	1,272	$ 3,260
Actuarial gain	(24,154)	(4,062)
Benefit payments	(2,512)	(2,832)
Foreign currency translation adjustment	(8,306)	(904)
Obligation at end of year	50,761	84,283	90,809
Change in fair value of plan assets:
Beginning balance	79,478	78,480
Actual return on plan assets	(6,371)	4,791
Employer contributions	0	0
Benefit payments	(2,512)	(2,832)
Foreign currency translation adjustment	(8,297)	(961)
Ending balance	62,298	79,478	78,480
Funded (underfunded) status at end of year	11,537	(4,805)
Other Benefits
Change in benefit obligation:
Obligation at beginning of year	11,825	12,782
Service cost	291	258	212
Interest cost	346	281	430
Actuarial gain	(2,604)	(812)
Benefit payments	(547)	(634)
Foreign currency translation adjustment	(71)	(50)
Obligation at end of year	9,240	11,825	12,782
Change in fair value of plan assets:
Beginning balance	0	0
Actual return on plan assets	0	0
Employer contributions	547	634
Benefit payments	(547)	(634)
Foreign currency translation adjustment	0	0
Ending balance	0	0	$ 0
Funded (underfunded) status at end of year	$ (9,240)	$ (11,825)