v3.26.1
Amounts Reclassified Out of Accumulated Other Comprehensive Income - Schedule of Reclassification Out of Accumulated Other Comprehensive Income (Loss) (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Jun. 27, 2026
Jun. 28, 2025
Jun. 27, 2026
Jun. 28, 2025
Accumulated Other Comprehensive Income Loss [Line Items]        
Recognition in earnings of net actuarial loss for pension settlement $ 0 $ 450 $ 0 $ 450
Other comprehensive (loss) income (109) 333 (328) 100
Pension Benefits [Member]        
Accumulated Other Comprehensive Income Loss [Line Items]        
Balance, beginning of period (8,583) (9,686) (8,697) (9,809)
Reclassifications to earnings [1] 58 61 172 184
Recognition in earnings of net actuarial loss for pension settlement [1] 0 450 0 450
Other comprehensive (loss) income 58 511 172 634
Balance, end of period (8,525) (9,175) (8,525) (9,175)
Postretirement Benefits [Member]        
Accumulated Other Comprehensive Income Loss [Line Items]        
Balance, beginning of period 2,881 3,306 3,214 3,662
Amortization of net gain and prior service credits [1] (167) (178) (500) (534)
Other comprehensive (loss) income (167) (178) (500) (534)
Balance, end of period 2,714 3,128 2,714 3,128
Accumulated Other Comprehensive (Loss) Income [Member]        
Accumulated Other Comprehensive Income Loss [Line Items]        
Balance, beginning of period (5,702) (6,380) (5,483) (6,147)
Reclassifications to earnings (109) (117) (328) (350)
Recognition in earnings of net actuarial loss for pension settlement 0 450 0 450
Other comprehensive (loss) income (109) 333 (328) 100
Balance, end of period $ (5,811) $ (6,047) $ (5,811) $ (6,047)
[1] These amounts are included in the computation of net periodic benefit cost. See Note 15, “Pension Plans and Other Postretirement Benefits.”