Guarantees And Contractual Obligations (Deferred Revenue And Warranties For Certain Products Disclosure) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Oct. 25, 2013	Oct. 26, 2012	Oct. 28, 2011
Guarantees And Contractual Obligations [Abstract]
Balance	$ 80,272	$ 73,679	$ 74,907
Amount acquired through acquisitions	260
Additional net deferred revenue/warranty accrual made during the period	7,436	17,596	12,381
Warranty payments made during the period	(9,150)	(11,003)	(13,609)
Balance	$ 78,818	$ 80,272	$ 73,679