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Schedule of Net Periodic Pension and Postretirement (income) Cost (Detail) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2024
Jul. 02, 2023
Jun. 30, 2024
Jul. 02, 2023
Defined Benefit Plan Disclosure        
Net actuarial loss (gain)     $ (250) $ 0
United States        
Defined Benefit Plan Disclosure        
Service cost $ 217 $ 272 448 543
Interest cost 1,646 1,714 3,293 3,425
Expected return on plan assets (1,265) (1,286) (2,533) (2,571)
Net actuarial loss (gain) 111 24 111 24
Settlement loss (gain) 0 0 0 0
Total net periodic pension cost 709 724 1,319 1,421
Foreign Pension Plans, Defined Benefit        
Defined Benefit Plan Disclosure        
Service cost 114 110 231 220
Interest cost 243 263 489 526
Expected return on plan assets (18) (9) (34) (18)
Net actuarial loss (gain) (242) 0 (242) 0
Settlement loss (gain) (24) 0 (24) 0
Total net periodic pension cost 73 364 420 728
Postretirement Benefit Plans        
Defined Benefit Plan Disclosure        
Service cost 9 8 18 17
Interest cost 72 60 145 121
Net actuarial loss (gain) (94) 30 (94) 30
Amortization of prior service credit (2) (2) (4) (4)
Special termination benefits 170 369 462 369
Total net periodic pension cost $ 155 $ 465 $ 527 $ 533