Income Taxes (Narrative) (Details) - USD ($) $ in Millions	9 Months Ended
	Jul. 31, 2015	Jul. 31, 2014	Nov. 01, 2014
Components of Income Tax Expense (Benefit), Continuing Operations [Abstract]
Effective tax rate (ETR)	6.10%	8.10%
Unrecognized tax benefits that would impact ETR			$ 32.0
Interest and penalties			4.1
Unrecognized tax benefits related to tax positions			$ 10.2