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Schedule of Net Periodic Pension and Postretirement Cost (Detail) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 30, 2025
Mar. 31, 2024
Defined Benefit Plan Disclosure    
Service cost $ 214 $ 231
Interest cost 1,709 1,647
Expected return on plan assets (1,317) (1,268)
Total net periodic pension cost 606 610
Foreign Pension Plans, Defined Benefit    
Defined Benefit Plan Disclosure    
Service cost 124 117
Interest cost 262 246
Expected return on plan assets (22) (16)
Total net periodic pension cost 364 347
Postretirement Benefit Plans    
Defined Benefit Plan Disclosure    
Service cost 10 10
Interest cost 73 73
Amortization of prior service credit (2) (2)
Special termination benefits 684 292
Total net periodic pension cost $ 765 $ 373