RETIREMENT PLANS - Components of Net Periodic Benefit Cost (Details) - USD ($) $ in Thousands		4 Months Ended
		Jan. 21, 2024	Jan. 22, 2023
Pension Plan
Defined Benefit Plan Disclosure [Line Items]
Interest cost		$ 5,839	$ 5,913
Expected return on plan assets		(4,609)	(4,648)
Actuarial losses (gains)	[1]	933	944
Amortization of unrecognized prior service costs	[1]	5	6
Net periodic benefit cost		2,168	2,215
Post-Retirement Healthcare Plans
Defined Benefit Plan Disclosure [Line Items]
Interest cost		219	215
Actuarial losses (gains)	[1]	(281)	(286)
Net periodic benefit cost		$ (62)	$ (71)

[1] Amounts were reclassified from accumulated other comprehensive income into net earnings as a component of “Other pension and post-retirement expenses, net.”