Pensions and Other Postretirement Benefits (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 02, 2021	Oct. 03, 2020	Oct. 02, 2021	Oct. 03, 2020
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	254	342	762	1,025
Expected return on plan assets	0	0	0	0
Amortization of prior service cost (credit)	36	36	108	108
Amortization of losses (gains)	447	298	1,340	893
Curtailment and settlement losses	0	0	0	0
Net periodic benefit cost	737	676	2,210	2,026
Defined Benefit Pension Plans [Member] | Non-U.S. Plans [Member]
Components of net periodic pension cost [Abstract]
Net service cost	1,167	1,115	3,548	3,260
Interest cost	738	961	2,246	2,804
Expected return on plan assets	(414)	(504)	(1,250)	(1,490)
Amortization of prior service cost (credit)	49	31	150	91
Amortization of losses (gains)	1,851	1,671	5,622	4,851
Curtailment and settlement losses	203	317	604	777
Net periodic benefit cost	3,594	3,591	10,920	10,293
Other Postretirement Benefits [Member] | U.S. Plans [Member]
Components of net periodic pension cost [Abstract]
Net service cost	25	28	76	84
Interest cost	41	59	123	177
Amortization of losses (gains)	13	7	39	20
Net periodic benefit cost	79	94	238	281
Other Postretirement Benefits [Member] | Non-U.S. Plans [Member]
Components of net periodic pension cost [Abstract]
Net service cost	70	73	211	210
Interest cost	10	16	32	47
Amortization of losses (gains)	29	33	88	95
Net periodic benefit cost	$ 109	$ 122	$ 331	$ 352