DISPOSITION - CROP INSURANCE OPERATIONS (Details) (USD $) In Millions, unless otherwise specified	6 Months Ended
	Apr. 30, 2015	Apr. 30, 2014	Jan. 31, 2015
Major Classes of Assets and Liabilities
Other intangible assets - net	$ 4
Total assets held for sale		84.7
Account payable and accrued expenses, and Total Liabilities held for sale		49.8
Crop Insurance Operations | Disposal Group
Dispositions
Proceeds from sale of Crop Insurance Operations	154
Cash and cash equivalents sold	5
Gain from sale of Crop Insurance Operations, pretax, recorded in Other Income	41
Gain from sale of Crop Insurance Operations, after-tax, recorded in Other Income	38
Major Classes of Assets and Liabilities
Cash and cash equivalents			13
Marketable securities			79
Other receivables			265
Other intangible assets - net			4
Other assets			20
Total assets held for sale			381.0
Account payable and accrued expenses, and Total Liabilities held for sale			$ 267.0