FAIR VALUE MEASUREMENTS (Details 4) (USD $) In Millions, unless otherwise specified	6 Months Ended
Apr. 30, 2011	Apr. 30, 2012	Oct. 31, 2011
Assets and Liabilities Measured at Fair Value on Recurring and Nonrecurring Basis
Financing receivables	$ 18,455.4	$ 19,452.7	$ 19,923.5
Fair Value, Nonrecurring Measurements \| Level 3
Assets and Liabilities Measured at Fair Value on Recurring and Nonrecurring Basis
Financing receivables	4.0	1.0	5.0
Loss on fair value of financing receivables	$ 1

Reflects the aggregate carrying amount of all categories of loans and leases held in portfolio, net of unearned income and the allowance for losses on loans and leases.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher AICPA

-Name Statement of Position (SOP)

-Number 01-6

-Paragraph 13

-Subparagraph e

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 45

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6375948&loc=d3e4428-111522

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-03.7)

-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant