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RETIREMENT PLANS - Components of Net Periodic Benefit Cost (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Apr. 13, 2025
Apr. 14, 2024
Apr. 13, 2025
Apr. 14, 2024
Pension Plan        
Defined Benefit Plan Disclosure [Line Items]        
Interest cost $ 4,062 $ 4,380 $ 9,478 $ 10,219
Expected return on plan assets (3,469) (3,458) (8,094) (8,067)
Actuarial losses (gains) [1] 786 701 1,834 1,634
Amortization of unrecognized prior service costs 0 [1] 3 [1] 0 8
Net periodic benefit cost 1,379 1,626 3,218 3,794
Post-Retirement Healthcare Plans        
Defined Benefit Plan Disclosure [Line Items]        
Interest cost 142 164 331 383
Actuarial losses (gains) [1] (180) (211) (419) (492)
Net periodic benefit cost $ (38) $ (47) $ (88) $ (109)
[1] Amounts were reclassified from accumulated other comprehensive income into net earnings as a component of “Other pension and post-retirement expenses, net.”