Intangible Assets (Schedule of Other Intangible Assets) (Details) - USD ($) $ in Millions	Apr. 30, 2017	Oct. 31, 2016
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 822.1	$ 742.9
Accumulated Amortization & Translation	337.1	301.8
Other intangible assets, net	485.0	441.1
Trademarks
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	40.1	36.6
Accumulated Amortization & Translation	8.4	6.8
Technology
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	422.7	354.8
Accumulated Amortization & Translation	156.5	139.3
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	291.1	285.7
Accumulated Amortization & Translation	132.8	121.9
License and distribution rights and other
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	68.2	65.8
Accumulated Amortization & Translation	$ 39.4	$ 33.8