Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 29, 2024	Jul. 01, 2023	Jun. 29, 2024	Jul. 01, 2023
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance	$ (5,502)	$ (5,616)	$ (4,785)	$ (5,588)
Unrealized gains (losses)	(245)	565	(826)	596
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	(55)	(110)	(207)	(159)
Amounts reclassified from accumulated other comprehensive income (loss)		7		(19)
Tax effect	26	21	42	37
Net of tax amount	(274)	483	(991)	455
Ending balance	(5,776)	(5,133)	(5,776)	(5,133)
Foreign currency translation adjustments [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance	(5,503)	(5,480)	(4,922)	(5,511)
Unrealized gains (losses)	(245)	565	(826)	596
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	0	0	0	0
Amounts reclassified from accumulated other comprehensive income (loss)		0		0
Tax effect	0	0	0	0
Net of tax amount	(245)	565	(826)	596
Ending balance	(5,748)	(4,915)	(5,748)	(4,915)
AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-sale, Parent
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance	(44)	(258)	92	(199)
Unrealized gains (losses)	0	0	0	0
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	(55)	(110)	(207)	(159)
Amounts reclassified from accumulated other comprehensive income (loss)		7		(19)
Tax effect	26	21	42	37
Net of tax amount	(29)	(82)	(165)	(141)
Ending balance	(73)	(340)	(73)	(340)
Defined benefit pension plans [member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance	45	122	45	122
Unrealized gains (losses)	0	0	0	0
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	0	0	0	0
Amounts reclassified from accumulated other comprehensive income (loss)		0	0	0
Tax effect	0	0	0	0
Net of tax amount	0	0	0	0
Ending balance	$ 45	$ 122	$ 45	$ 122