Employee Benefit Plans - Schedule of Net Benefit Costs (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 27, 2024	Dec. 29, 2023	Dec. 30, 2022
Swiss Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Service cost	[1]	$ 1,233	$ 916	$ 1,133
Interest cost	[2]	340	413	82
Expected return on plan assets	[2]	(540)	(452)	(494)
Prior service credit	[2],[3]	(179)	(179)	(179)
Actuarial loss recognized in current period	[2],[3]	117		390
Net periodic pension cost		971	698	932
Japan Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Service cost	[1]	56	60	116
Interest cost	[2]	3	3	2
Prior service credit	[2],[3]	(5)	(14)	(24)
Settlement gain	[2],[3]	(10)	(160)	0
Curtailment gain	[2],[3]	0	(4)	0
Net periodic pension cost		$ 44	$ (115)	$ 94

[1] Recognized in selling general and administrative expenses on the Consolidated Statements of Operations.

[2] Recognized in other income, net, on the Consolidated Statements of Operations.

[3] Amounts reclassified from accumulated other comprehensive income (loss).