Benefit Plans - Benefit Plan Related Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 30, 2023	Dec. 31, 2022	Jan. 01, 2022
Change in benefit obligation:
Benefit obligation at beginning of year	$ 4,000
Service cost	2,774	$ 3,072	$ 2,785
Interest cost	3,795	2,529	1,761
Benefits paid from the plan assets	(2,100)
Benefit obligation at end of year	4,800	4,000
Change in plan assets at fair value:
Fair value of plan assets at beginning of year	35,433
Fair value of plan assets at end of year	37,696	35,433
Amounts recognized in the Consolidated Balance Sheets consist of:
Noncurrent assets	79	262
Current benefit liability	(1,482)	(1,318)
Noncurrent benefit liability	(34,422)	(28,037)
Net liability recognized	(35,825)	(29,093)
Pension Plan
Change in benefit obligation:
Benefit obligation at beginning of year	64,526	86,570
Service cost	2,774	3,072
Interest cost	3,795	2,529
Net actuarial loss (gain)	4,312	(19,327)
Benefits paid from the plan assets	(1,933)	(1,474)
Benefits paid directly by the Company	(2,035)	(1,853)
Settlements	(1,687)	(1,565)
Acquisitions	0	3,812
Effect of exchange rate movements	3,769	(5,839)
Plan amendment and other	0	(1,399)
Benefit obligation at end of year	73,521	64,526	86,570
Change in plan assets at fair value:
Fair value of plan assets at beginning of year	35,433	48,325
Actual gain (loss) on plan assets	1,358	(9,217)
Employer contributions	1,821	2,288
Benefits paid from the plan assets	(1,933)	(1,474)
Settlements	(463)	0
Acquisitions	0	0
Effect of exchange rate movements	1,480	(4,489)
Fair value of plan assets at end of year	37,696	35,433	$ 48,325
Net amount unfunded status	$ (35,825)	$ (29,093)