Stock Plans (Schedule of Compensation Expense and Related Income Tax Benefit for Share-Based Awards) (Details) - USD ($) $ in Millions	12 Months Ended
	Oct. 31, 2016	Oct. 31, 2015	Oct. 31, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total compensation expense	$ 29.9	$ 32.9	$ 36.5
Related income tax benefit	9.0	10.2	11.7
Selling, general and administrative expense [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total compensation expense	26.2	29.2	32.4
Cost of Sales [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total compensation expense	2.6	2.8	2.2
Research and Development Expense [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total compensation expense	1.1	0.9	1.9
Capitalized in inventory [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total compensation expense	$ 2.6	$ 2.8	$ 2.2