RETIREMENT PLANS - Components of Net Periodic Benefit Cost (Details) - USD ($) $ in Thousands	3 Months Ended				6 Months Ended
	Apr. 17, 2022		Apr. 11, 2021		Apr. 17, 2022		Apr. 11, 2021
Pension Plan
Defined Benefit Plan Disclosure [Line Items]
Interest cost	$ 3,389		$ 3,398		$ 7,904		$ 7,930
Expected return on plan assets	(4,178)		(4,463)		(9,747)		(10,414)
Actuarial loss (gain)	890	[1]	1,213	[1]	2,078	[1]	2,829
Amortization of unrecognized prior service cost	4	[1]	4	[1]	10	[1]	10
Net periodic benefit cost	105		152		245		355
Postretirement Healthcare Plans
Defined Benefit Plan Disclosure [Line Items]
Interest cost	113		130		263		303
Actuarial loss (gain)	(148)	[1]	(79)	[1]	(345)	[1]	(184)
Net periodic benefit cost	$ (35)		$ 51		$ (82)		$ 119

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