Benefit Plans - Benefit Plan Related Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 28, 2024	Dec. 30, 2023	Dec. 31, 2022
Change in benefit obligation:
Benefit obligation at beginning of year	$ 4,800
Service cost	3,060	$ 2,774	$ 3,072
Interest cost	3,873	3,795	2,529
Benefits paid from the plan assets	(2,100)
Benefit obligation at end of year	4,400	4,800
Change in plan assets at fair value:
Fair value of plan assets at beginning of year	37,696
Fair value of plan assets at end of year	39,338	37,696
Amounts recognized in the Consolidated Balance Sheets consist of:
Non-current assets	6	79
Current benefit liability	(1,514)	(1,482)
Non-current benefit liability	(29,836)	(34,422)
Net liability recognized	(31,344)	(35,825)
Pension Plan
Change in benefit obligation:
Benefit obligation at beginning of year	73,521	64,526
Service cost	3,060	2,774
Interest cost	3,873	3,795
Net actuarial loss	501	4,312
Benefits paid from the plan assets	(2,037)	(1,933)
Benefits paid directly by the Company	(2,042)	(2,035)
Settlements	(1,248)	(1,687)
Effect of exchange rate movements	(4,946)	3,769
Benefit obligation at end of year	70,682	73,521	64,526
Change in plan assets at fair value:
Fair value of plan assets at beginning of year	37,696	35,433
Actual (loss) gain on plan assets	(529)	1,358
Employer contributions	5,376	1,821
Benefits paid from the plan assets	(2,037)	(1,933)
Settlements	0	(463)
Effect of exchange rate movements	(1,168)	1,480
Fair value of plan assets at end of year	39,338	37,696	$ 35,433
Net amount unfunded status	$ (31,344)	$ (35,825)