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. 26, 2012	Oct. 28, 2011
Pension Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Projected benefit obligation, less than plan assets	$ 13,445	$ 13,018
Accumulated benefit obligation, less than plan assets	12,421	12,222
Fair value of plan assets, projected benefit obligation less than plan assets	14,131	13,370
Accumulated Benefit Obligations [Member] | Pension Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Projected / accumulated post-retirement benefit obligation	265,706	226,158
Accumulated benefit obligation	256,936	219,328
Fair value of plan assets	219,245	186,329
Accumulated Benefit Obligations [Member] | Post-Retirement Medical Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Projected / accumulated post-retirement benefit obligation	9,544	9,467
Projected Benefit Obligations [Member] | Pension Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Projected / accumulated post-retirement benefit obligation	314,414	265,134
Accumulated benefit obligation	301,706	255,298
Fair value of plan assets	$ 265,107	$ 224,288