Pensions And Other Postretirement Benefits (Schedule of Periodic Benefit Cost) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Apr. 26, 2013	Apr. 27, 2012	Apr. 26, 2013	Apr. 27, 2012
Pension Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 1,157	$ 1,051	$ 2,562	$ 2,103
Interest cost	3,300	3,526	6,645	7,051
Expected return on plan assets	(4,935)	(4,849)	(9,876)	(9,692)
Amortization of prior service cost	112	109	224	218
Recognized actuarial (gain)/loss	2,375	1,716	4,832	3,432
Net Periodic Benefit Cost	2,009	1,553	4,387	3,112
Post-Retirement Medical Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	60	31	120	62
Interest cost	90	112	180	224
Amortization of prior service cost	(32)	(32)	(64)	(64)
Recognized actuarial (gain)/loss	117	118	234	236
Net Periodic Benefit Cost	$ 235	$ 229	$ 470	$ 458