Pensions and Other Postretirement Benefits (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 02, 2022	Jul. 03, 2021	Jul. 02, 2022	Jul. 03, 2021
Defined Benefit Pension Plans [Member] | U.S. Plans [Member]
Components of net periodic pension cost [Abstract]
Net service cost	$ 0	$ 0	$ 0	$ 0
Interest cost	281	254	561	508
Expected return on plan assets	0	0	0	0
Amortization of prior service cost (credit)	36	36	72	72
Amortization of losses (gains)	426	446	853	893
Curtailment and settlement losses	0	0	0	0
Net periodic benefit cost	743	736	1,486	1,473
Defined Benefit Pension Plans [Member] | Non-U.S. Plans [Member]
Components of net periodic pension cost [Abstract]
Net service cost	1,068	1,191	2,185	2,381
Interest cost	813	754	1,665	1,508
Expected return on plan assets	(440)	(419)	(900)	(836)
Amortization of prior service cost (credit)	53	50	109	101
Amortization of losses (gains)	1,205	1,887	2,476	3,771
Curtailment and settlement losses	265	202	544	401
Net periodic benefit cost	2,964	3,665	6,079	7,326
Other Postretirement Benefits [Member] | U.S. Plans [Member]
Components of net periodic pension cost [Abstract]
Net service cost	9	26	19	51
Interest cost	44	41	89	82
Amortization of losses (gains)	85	13	171	26
Net periodic benefit cost	138	80	279	159
Other Postretirement Benefits [Member] | Non-U.S. Plans [Member]
Components of net periodic pension cost [Abstract]
Net service cost	60	70	123	141
Interest cost	14	11	29	22
Amortization of losses (gains)	21	30	44	59
Net periodic benefit cost	$ 95	$ 111	$ 196	$ 222