Employee Benefit Plans - Funded Status of Defined Benefit Plans (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 28, 2025	Dec. 29, 2024	Dec. 31, 2023
Amounts recognized in accumulated other comprehensive loss, after tax:
Total amount recognized, end of year	$ 39,314	$ 39,834
Foreign Plan
Change in benefit obligation:
Benefit obligation, beginning of year	200,888	214,428
Service cost	443	500	$ 458
Interest cost	8,701	7,933	8,169
Benefits and expenses paid	(12,224)	(10,709)
Actuarial gain	(11,184)	(4,321)
Currency translation adjustment	19,390	(6,943)
Benefit obligation, end of year	206,014	200,888	214,428
Change in plan assets:
Plan assets, beginning of year	181,153	199,348
Actual return on assets	(1,298)	(5,144)
Company contributions	1,563	2,626
Benefits paid	(12,224)	(10,709)
Currency translation adjustment	16,108	(4,968)
Plan assets, end of year	185,302	181,153	199,348
Amounts recognized in consolidated balance sheets:
Other assets	14,778	15,465
Current liabilities	(1,361)	(1,170)
Non-current liabilities	(34,129)	(34,030)
Funded status	(20,712)	(19,735)
Amounts recognized in accumulated other comprehensive loss, after tax:
Unrecognized actuarial loss	35,314	36,323
Total amount recognized, end of year	35,314	36,323
Accumulated benefit obligation	206,014	200,888
Projected benefit obligation	206,014	200,888	214,428
Plan assets	14,778	15,465
UK Plan
Change in benefit obligation:
Benefit obligation, beginning of year	106,865
Benefit obligation, end of year	111,878	106,865
Amounts recognized in consolidated balance sheets:
Other assets	126,656	122,330
Amounts recognized in accumulated other comprehensive loss, after tax:
Accumulated benefit obligation	111,878	106,865
Projected benefit obligation	111,878	106,865
Plan assets	126,656	122,330
Dutch Plan
Change in benefit obligation:
Benefit obligation, beginning of year	63,938
Benefit obligation, end of year	63,309	63,938
Amounts recognized in consolidated balance sheets:
Other assets	58,646	58,823
Amounts recognized in accumulated other comprehensive loss, after tax:
Accumulated benefit obligation	63,309	63,938
Projected benefit obligation	63,309	63,938
Plan assets	58,646	58,823
nora Plan
Change in benefit obligation:
Benefit obligation, beginning of year	30,085
Benefit obligation, end of year	30,827	30,085
Amounts recognized in consolidated balance sheets:
Other assets	0	0
Amounts recognized in accumulated other comprehensive loss, after tax:
Accumulated benefit obligation	30,827	30,085
Projected benefit obligation	30,827	30,085
Plan assets	0	0
United States
Change in benefit obligation:
Benefit obligation, beginning of year	21,065	22,659
Interest cost	1,098	1,065	1,134
Benefits and expenses paid	(1,874)	(1,872)
Actuarial gain	919	(787)
Benefit obligation, end of year	21,208	21,065	22,659
Change in plan assets:
Company contributions	1,900
Amounts recognized in consolidated balance sheets:
Current liabilities	(1,873)	(1,873)
Non-current liabilities	(19,335)	(19,192)
Amounts recognized in accumulated other comprehensive loss, after tax:
Unrecognized actuarial loss	3,986	3,428
Accumulated benefit obligation	21,200	21,100
Projected benefit obligation	$ 21,208	$ 21,065	$ 22,659