v3.26.1
Accumulated Other Comprehensive Loss (Details) - USD ($)
 3 Months Ended
Mar. 28, 2026
Mar. 29, 2025
Accumulated Other Comprehensive Income (Loss) [Roll Forward]    
Beginning balance $ 316,556,000 $ 713,885,000
Total other comprehensive income (loss) (3,987,000) 7,610,000
Ending balance 229,355,000 688,084,000
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 (23,597,000) (21,060,000)
Income tax on reclassifications 37,000 26,000
Total other comprehensive income (loss) (145,000) (100,000)
Ending balance (23,742,000) (21,160,000)
Amortization of gain    
Accumulated Other Comprehensive Income (Loss) [Roll Forward]    
Reclassifications to earnings (234,000) (186,000)
Amortization of prior service cost    
Accumulated Other Comprehensive Income (Loss) [Roll Forward]    
Reclassifications to earnings 52,000 60,000
Unrealized loss on derivative instruments, net of tax    
Accumulated Other Comprehensive Income (Loss) [Roll Forward]    
Beginning balance (93,000) (222,000)
Reclassifications to earnings 25,000 36,000
Income tax on reclassifications 0 (4,000)
Total other comprehensive income (loss) 25,000 32,000
Ending balance (68,000) (190,000)
Foreign currency translation    
Accumulated Other Comprehensive Income (Loss) [Roll Forward]    
Beginning balance 719,000 (24,387,000)
Total other comprehensive income (loss) (3,867,000) 7,678,000
Ending balance (3,148,000) (16,709,000)
Accumulated Other Comprehensive Loss    
Accumulated Other Comprehensive Income (Loss) [Roll Forward]    
Beginning balance (22,971,000) (45,669,000)
Total other comprehensive income (loss) (3,987,000) 7,610,000
Ending balance $ (26,958,000) $ (38,059,000)