Business Segment Information - Net Sales to External Customers by Geographical Area (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Jul. 31, 2014	Jul. 31, 2013	Jul. 31, 2014	Jul. 31, 2013
Net sales:
Total net sales	$ 1,161.1	$ 1,129.7	$ 3,296.2	$ 3,227.2
North America [Member]
Net sales:
Total net sales	566.8	535.2	1,601.8	1,524.6
Europe, Middle East and Africa [Member]
Net sales:
Total net sales	429.1	426.5	1,219.8	1,210.6
Asia Pacific and Latin America [Member]
Net sales:
Total net sales	$ 165.2	$ 168.0	$ 474.6	$ 492.0