Business Segment Information - Net Sales to External Customers by Geographical Area (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Apr. 30, 2013	Apr. 30, 2012	Apr. 30, 2013	Apr. 30, 2012
Net sales:
Total net sales	$ 1,088.9	$ 1,098.2	$ 2,097.5	$ 2,091.0
North America [Member]
Net sales:
Total net sales	513.3	506.6	989.4	960.0
Europe, Middle East and Africa [Member]
Net sales:
Total net sales	413.5	423.9	784.1	802.2
Asia Pacific and Latin America [Member]
Net sales:
Total net sales	$ 162.1	$ 167.7	$ 324.0	$ 328.8