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Pensions and Other Postretirement Benefits - Net Periodic Benefit Cost for Pension and Other Postretirement Benefit Plans (Details) - Other Postretirement Benefits [Member] - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jul. 04, 2026
Jun. 28, 2025
Jul. 04, 2026
Jun. 28, 2025
U.S. Plans [Member]        
Pensions and Other Postretirement Benefits [Abstract]        
Service cost $ 0 $ 5 $ 0 $ 10
Interest cost 26 50 52 101
Amortization of losses (gains) (117) (52) (234) (104)
Net periodic benefit cost (91) 3 (182) 7
Non-U.S. Plans [Member]        
Pensions and Other Postretirement Benefits [Abstract]        
Service cost 52 60 105 115
Interest cost 62 60 125 116
Amortization of losses (gains) 5 15 11 29
Net periodic benefit cost $ 119 $ 135 $ 241 $ 260