v3.25.2
Accumulated Other Comprehensive Loss (Details) - USD ($)
 3 Months Ended 6 Months Ended
Jun. 28, 2025
Jun. 29, 2024
Jun. 28, 2025
Jun. 29, 2024
Accumulated Other Comprehensive Income (Loss) [Roll Forward]        
Beginning balance $ 688,084,000 $ 741,750,000 $ 713,885,000 $ 746,447,000
Total other comprehensive income (loss) 16,642,000 494,000 24,252,000 (3,960,000)
Ending balance 342,318,000 755,134,000 342,318,000 755,134,000
Tax effects of foreign translation adjustment     0 0
Unrecognized components of employee benefit plans, net of tax        
Accumulated Other Comprehensive Income (Loss) [Roll Forward]        
Beginning balance     (21,060,000) (33,537,000)
Other comprehensive income before reclassifications     0 3,371,000
Income tax on other comprehensive income     0 (901,000)
Income tax on reclassifications     50,000 10,000
Total other comprehensive income (loss)     (198,000) 2,448,000
Ending balance (21,258,000) (31,089,000) (21,258,000) (31,089,000)
Amortization of gain        
Accumulated Other Comprehensive Income (Loss) [Roll Forward]        
Reclassifications to earnings     (373,000) (391,000)
Amortization of prior service cost        
Accumulated Other Comprehensive Income (Loss) [Roll Forward]        
Reclassifications to earnings     125,000 359,000
Unrealized loss on derivative instruments, net of tax        
Accumulated Other Comprehensive Income (Loss) [Roll Forward]        
Beginning balance     (222,000) (373,000)
Reclassifications to earnings     70,000 92,000
Income tax on reclassifications     (9,000) (12,000)
Total other comprehensive income (loss)     61,000 80,000
Ending balance (161,000) (293,000) (161,000) (293,000)
Foreign currency translation        
Accumulated Other Comprehensive Income (Loss) [Roll Forward]        
Beginning balance     (24,387,000) (12,007,000)
Total other comprehensive income (loss)     24,389,000 (6,488,000)
Ending balance 2,000 (18,495,000) 2,000 (18,495,000)
Accumulated Other Comprehensive Loss        
Accumulated Other Comprehensive Income (Loss) [Roll Forward]        
Beginning balance (38,059,000) (50,371,000) (45,669,000) (45,917,000)
Total other comprehensive income (loss) 16,642,000 494,000 24,252,000 (3,960,000)
Ending balance $ (21,417,000) $ (49,877,000) $ (21,417,000) $ (49,877,000)