Revenue Recognition (Details) - USD ($) $ in Millions	6 Months Ended
	Apr. 30, 2016	Oct. 31, 2015
Revenue Recognition (Textual) [Abstract]
Deferred income on shipments to distributors, gross	$ 398.7	$ 379.9
Deferred income on shipments to distributors, cost of sales	$ 81.4	$ 79.8
Standard product warranty term	12 months