Schedule of Net Periodic Pension and Postretirement Cost (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 29, 2026	Mar. 30, 2025
Defined Benefit Plan Disclosure
Service cost	$ 143	$ 214
Interest cost	1,359	1,709
Expected return on plan assets	(975)	(1,317)
Total net periodic pension cost	527	606
Foreign Pension Plans, Defined Benefit
Defined Benefit Plan Disclosure
Service cost	299	124
Interest cost	349	262
Expected return on plan assets	(54)	(22)
Total net periodic pension cost	594	364
Postretirement Benefit Plans
Defined Benefit Plan Disclosure
Service cost	7	10
Interest cost	68	73
Amortization of prior service credit	(1)	(2)
Special termination benefits	0	684
Total net periodic pension cost	$ 74	$ 765