Employee Benefit Plans - Schedule of Defined Benefit Plans Disclosures (Details) - USD ($) $ in Thousands		12 Months Ended
		Jan. 02, 2026	Dec. 27, 2024	Dec. 29, 2023
Swiss Plan
Change in Projected Benefit Obligation:
Projected benefit obligation, beginning of period		$ 24,045	$ 21,965
Service cost	[1]	1,689	1,233	$ 916
Interest cost	[2]	247	340	413
Participant contributions		1,155	979
Benefits deposited (paid)		(1,474)	(851)
Actuarial (gain) loss		1,866	692
Prior service credit		(118)	(313)
Projected benefit obligation, end of period		27,410	24,045	21,965
Change in Plan Assets:
Plan assets at fair value, beginning of period		17,690	17,381
Actual return on plan assets		2,762	(942)
Employer contributions		1,320	1,123
Participant contributions		1,155	979
Benefits deposited (paid)		(1,474)	(851)
Plan assets at fair value, end of period		21,453	17,690	17,381
Funded status (pension liability), end of year	[3]	(5,957)	(6,355)
Amount Recognized in Accumulated Other Comprehensive Income (Loss), net of tax:
Actuarial loss on plan assets		618	(1,364)
Actuarial loss on benefit obligation		(7,650)	(5,997)
Actuarial gain (loss) recognized in current year		2,217	1,952
Prior service credit		1,155	1,242
Effect of curtailments		609	610
Accumulated other comprehensive income (loss)		(3,051)	(3,557)
Accumulated benefit obligation at year end		(25,771)	(22,540)
Japan Plan
Change in Projected Benefit Obligation:
Projected benefit obligation, beginning of period		382	471
Service cost	[1]	56	56	60
Interest cost	[2]	4	3	3
Benefits deposited (paid)		(33)	(60)
Actuarial (gain) loss		8	(40)
Foreign exchange adjustment		1	(48)
Projected benefit obligation, end of period		418	382	471
Change in Plan Assets:
Plan assets at fair value, beginning of period		0	0
Actual return on plan assets		0	0
Employer contributions		0	0
Plan assets at fair value, end of period		0	0	$ 0
Benefits paid		0	0
Distribution of plan assets		0	0
Foreign exchange adjustment		0	0
Funded status (pension liability), end of year	[3]	(418)	(382)
Amount Recognized in Accumulated Other Comprehensive Income (Loss), net of tax:
Actuarial gain (loss) recognized in current year		(25)	(25)
Prior service credit		3	3
Settlement		(103)	(102)
Curtailment		(2)	(2)
Net gain		180	193
Accumulated other comprehensive income (loss)		53	67
Accumulated benefit obligation at year end		$ (403)	$ (368)

[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] The underfunded balance was included in pension liability on the Consolidated Balance Sheets.