Restructuring (Narrative) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended																2 Months Ended
	Oct. 25, 2013	Oct. 26, 2012	Oct. 28, 2011	Oct. 25, 2013 Cost Of Sales [Member]	Oct. 26, 2012 Cost Of Sales [Member]	Oct. 28, 2011 Cost Of Sales [Member]	Oct. 25, 2013 Research And Development Expenses [Member]	Oct. 26, 2012 Research And Development Expenses [Member]	Oct. 28, 2011 Research And Development Expenses [Member]	Oct. 25, 2013 Selling, General And Administrative Expenses [Member]	Oct. 26, 2012 Selling, General And Administrative Expenses [Member]	Oct. 28, 2011 Selling, General And Administrative Expenses [Member]	Oct. 28, 2011 2008 Restructuring Initiatives [Member]	Oct. 26, 2012 2011 Restructuring Initiatives [Member]	Oct. 28, 2011 2011 Restructuring Initiatives [Member]	Oct. 25, 2013 2013 Restructuring Initiatives [Member]	Dec. 20, 2013 Subsequent Event [Member] 2013 Restructuring Initiatives [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 36,433	$ 25,845	$ 34,439	$ 21,916	$ 16,199	$ 25,563	$ 5,524	$ 243	$ 862	$ 8,993	$ 9,403	$ 8,014	$ 1,346	$ 25,845	$ 33,093	$ 36,433	$ 12,000
Pre-tax asset impairment charges																$ 6,664