Retirement Plans (Components Of Net Periodic Benefit Cost) (Details) $ in Thousands		3 Months Ended		9 Months Ended
		Jul. 08, 2018 USD ($)	Jul. 09, 2017 USD ($)	Jul. 08, 2018 USD ($) defined_benefit_plan healthcare_plan	Jul. 09, 2017 USD ($)
Pension and Other Postretirement Benefits Cost (Reversal of Cost) [Abstract]
Number of sponsored defined benefit pension plans | defined_benefit_plan				2
Number of postretirement health care plans | healthcare_plan				2
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-term Rate of Return on Plan Assets				6.20%
Pension Plan
Defined Benefit Plan Disclosure [Line Items]
Interest cost		$ 5,159	$ 5,247	$ 17,198	$ 17,491
Service cost		515	505	1,718	1,682
Expected return on plan assets	[1]	(6,509)	(6,494)	(21,699)	(21,647)
Actuarial loss	[2]	1,124	1,411	3,745	4,703
Amortization of unrecognized prior service cost	[2]	34	35	113	117
Net periodic benefit cost		323	704	1,075	2,346
Postretirement Healthcare Plans
Defined Benefit Plan Disclosure [Line Items]
Interest cost		220	232	734	772
Actuarial loss	[2]	(6)	37	(20)	124
Net periodic benefit cost		$ 214	$ 269	$ 714	$ 896

[1] (1)Determined as of the beginning of the year based on a return on asset assumption of 6.2%.

[2] (2)Amounts were reclassified from accumulated OCI into net earnings as a component of selling, general and administrative expenses.