Revenue Recognition (Details) (USD $) In Millions, unless otherwise specified	9 Months Ended
	Aug. 04, 2012	Oct. 29, 2011
Revenue Recognition (Textual) [Abstract]
Deferred income on shipments to distributors, gross	$ 312.0	$ 309.6
Deferred income on shipments to distributors, cost of sales	65.3	76.4
Change in net deferred income on shipments to distributors	$ 13.5
Standard product warranty term	12 months