Schedule of Net Periodic Pension and Postretirement (income) Cost (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 03, 2022	Jul. 04, 2021	Jul. 03, 2022	Jul. 04, 2021
Defined Benefit Plan Disclosure
Net actuarial loss (gain)			$ 0	$ (627)
UNITED STATES
Defined Benefit Plan Disclosure
Service cost	$ 397	$ 452	794	905
Interest cost	1,221	1,096	2,443	2,196
Expected return on plan assets	(732)	(936)	(1,463)	(1,872)
Net actuarial loss (gain)	(45)	(400)	(45)	(400)
Total net periodic pension cost	841	212	1,729	829
Foreign Pension Plans, Defined Benefit
Defined Benefit Plan Disclosure
Service cost	180	245	386	491
Interest cost	120	88	238	175
Expected return on plan assets	(18)	(17)	(38)	(33)
Total net periodic pension cost	282	316	586	633
Postretirement Benefit Plans
Defined Benefit Plan Disclosure
Service cost	15	17	32	33
Interest cost	45	41	88	85
Amortization of prior service cost	(2)	(2)	(4)	(4)
Net actuarial loss (gain)	54	(228)	54	(228)
Total net periodic pension cost	$ 112	$ (172)	$ 170	$ (114)