Business Segment Information - Total Assets by Geographical Area (Detail) (USD $) In Millions, unless otherwise specified	Apr. 30, 2014	Oct. 31, 2013
Assets:
Total assets	$ 3,996.6	$ 3,882.2
North America [Member]
Assets:
Total assets	1,903.4	1,818.2
Europe, Middle East and Africa [Member]
Assets:
Total assets	1,549.5	1,517.4
Asia Pacific and Latin America [Member]
Assets:
Total assets	$ 543.7	$ 546.6