Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Oct. 01, 2022	Sep. 30, 2023	Oct. 01, 2022
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance	$ (5,133)	$ (4,829)	$ (5,588)	$ (4,173)
Unrealized gains (losses)	(515)	(1,934)	81	(2,455)
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	3	(113)	(156)	(350)
Amounts reclassified from accumulated other comprehensive income (loss)	0	19	(19)	89
Tax effect	(1)	18	36	50
Net of tax amount	(513)	(2,010)	(58)	(2,666)
Ending balance	(5,646)	(6,839)	(5,646)	(6,839)
Foreign currency translation adjustments [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance	(4,915)	(4,175)	(5,511)	(3,654)
Unrealized gains (losses)	(515)	(1,934)	81	(2,455)
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	0	0	0	0
Amounts reclassified from accumulated other comprehensive income (loss)	0	0	0	0
Tax effect	0	0	0	0
Net of tax amount	(515)	(1,934)	81	(2,455)
Ending balance	(5,430)	(6,109)	(5,430)	(6,109)
AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-sale, Parent
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance	(340)	(181)	(199)	0
Unrealized gains (losses)	0	0	0	0
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	3	(113)	(156)	(350)
Amounts reclassified from accumulated other comprehensive income (loss)	0	(11)	(19)	(3)
Tax effect	(1)	26	36	74
Net of tax amount	2	(98)	(139)	(279)
Ending balance	(338)	(279)	(338)	(279)
Defined benefit pension plans [member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance	122	(473)	122	(519)
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	30	0	92
Tax effect	0	(8)	0	(24)
Net of tax amount	0	22	0	68
Ending balance	$ 122	$ (451)	$ 122	$ (451)