Employee Benefit Plans - Schedule of Defined Benefit Plans Disclosures (Details) - USD ($)		12 Months Ended
		Dec. 27, 2024	Dec. 29, 2023	Dec. 30, 2022
Swiss Plan
Change in Projected Benefit Obligation:
Projected benefit obligation, beginning of period		$ 21,965,000	$ 21,463,000
Service cost	[1]	1,233,000	916,000	$ 1,133,000
Interest cost	[2]	340,000	413,000	82,000
Participant contributions		979,000	863,000
Benefits deposited (paid)		(851,000)	(7,101,000)
Actuarial (gain) loss		692,000	5,411,000
Prior service credit		(313,000)
Projected benefit obligation, end of period		24,045,000	21,965,000	21,463,000
Change in Plan Assets:
Plan assets at fair value, beginning of period		17,381,000	20,709,000
Actual return on plan assets		(942,000)	1,922,000
Employer contributions		1,123,000	988,000
Participant contributions		979,000	863,000
Benefits deposited (paid)		(851,000)	(7,101,000)
Plan assets at fair value, end of period		17,690,000	17,381,000	20,709,000
Funded status (pension liability), end of year	[3]	(6,355,000)	(4,584,000)
Amount Recognized in Accumulated Other Comprehensive Income (Loss), net of tax:
Actuarial loss on plan assets		(1,364,000)	(38,000)
Actuarial loss on benefit obligation		(5,997,000)	(5,378,000)
Actuarial gain (loss) recognized in current year		1,952,000	1,849,000
Prior service credit		1,242,000	1,122,000
Effect of curtailments		610,000	610,000
Accumulated other comprehensive income (loss)		(3,557,000)	(1,835,000)
Accumulated benefit obligation at year end		(22,540,000)	(20,729,000)
Japan Plan
Change in Projected Benefit Obligation:
Projected benefit obligation, beginning of period		471,000	1,181,000
Service cost	[1]	56,000	60,000	116,000
Interest cost	[2]	3,000	3,000	2,000
Benefits deposited (paid)		(60,000)	(705,000)
Actuarial (gain) loss		(40,000)	8,000
Foreign exchange adjustment		(48,000)	(76,000)
Projected benefit obligation, end of period		382,000	471,000	1,181,000
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]	(382,000)	(471,000)
Amount Recognized in Accumulated Other Comprehensive Income (Loss), net of tax:
Actuarial gain (loss) recognized in current year		(25,000)	(28,000)
Prior service credit		3,000	3,000
Settlement		(102,000)	(106,000)
Curtailment		(2,000)	(2,000)
Net gain (loss)		193,000	189,000
Accumulated other comprehensive income (loss)		67,000	56,000
Accumulated benefit obligation at year end		$ (368,000)	$ (446,000)

[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.