OTHER INCOME AND OTHER OPERATING EXPENSES (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Oct. 31, 2011	Oct. 31, 2010	Oct. 31, 2009
Other Income
Other income	$ 623.8	$ 606.1	$ 514.2
Revenues from Services
Other Income
Other income	217.0	276.0	236.0
Insurance Premiums and Fees Earned
Other Income
Other income	236.0	198.0	182.0
Investment Income
Other Income
Other income	11.0	10.0	9.0
Other Income
Other Income
Other income	$ 160.0	$ 122.0	$ 87.0