Pensions And Other Postretirement Benefits (Schedule Of Projected / Accumulated Benefit Obligations In Excess Or Less Of Fair Value Of Plan Assets) (Details) (USD $) In Thousands, unless otherwise specified	Oct. 25, 2013	Oct. 26, 2012
Pension Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Projected benefit obligation, less than plan assets	$ 222,798	$ 13,445
Accumulated benefit obligation, less than plan assets	219,155	12,421
Fair value of plan assets, projected benefit obligation less than plan assets	237,371	14,131
Accumulated Benefit Obligations [Member] | Pension Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Projected / accumulated post-retirement benefit obligation	93,298	265,706
Accumulated benefit obligation	88,765	256,936
Fair value of plan assets	64,561	219,245
Accumulated Benefit Obligations [Member] | Post-Retirement Medical Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Projected / accumulated post-retirement benefit obligation	8,549	9,544
Projected Benefit Obligations [Member] | Pension Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Projected / accumulated post-retirement benefit obligation	93,298	314,414
Accumulated benefit obligation	88,765	301,706
Fair value of plan assets	$ 64,561	$ 265,107