Retiree Benefits (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Jan. 25, 2013	Jan. 27, 2012
Amortization of:
Net periodic benefit cost	$ 6,768	$ 14,621
Postretirement Benefits [Member]
Components of net periodic benefit cost
Service cost	355	250
Interest cost	302	363
Expected return on assets	(112)	(90)
Amortization of:
Prior service cost	42	13
Actuarial loss (gain)	(231)	(299)
Net periodic benefit cost	356	237
Pension Plans, Defined Benefit [Member]
Components of net periodic benefit cost
Service cost	2,848	5,413
Interest cost	19,511	21,187
Expected return on assets	(25,604)	(24,423)
Amortization of:
Prior service cost	153	361
Actuarial loss (gain)	9,860	12,083
Net periodic benefit cost	$ 6,768	$ 14,621