Receivables (Details 3) (USD $) In Millions, unless otherwise specified	3 Months Ended	12 Months Ended
Jan. 31, 2015	Jan. 31, 2014	Oct. 31, 2014
Recorded Investment
Receivables with specific allowance	$ 6.1	$ 17.8	$ 7.3
Receivables without specific allowance	5.5	6.5	5.9
Total	11.6	24.3	13.2
Unpaid Principal Balance
Receivables with specific allowance	6.0	17.8	7.2
Receivables without specific allowance	5.3	6.3	5.7
Total	11.3	24.1	12.9
Specific Allowance	2.0	3.8	2.0
Average Recorded Investment
Receivables with specific allowance	6.9	18.1	8.7
Receivables without specific allowance	5.6	6.9	6.1
Total	12.5	25.0	14.8
Agriculture and turf
Recorded Investment
Total	10.2	22.4	11.7
Unpaid Principal Balance
Total	10.0	22.2	11.4
Specific Allowance	2.0	3.8	2.0
Average Recorded Investment
Total	11.1	23.0	13.0
Construction and forestry
Recorded Investment
Total	1.4	1.9	1.5
Unpaid Principal Balance
Total	1.3	1.9	1.5
Average Recorded Investment
Total	1.4	2.0	1.8
Retail notes
Recorded Investment
Receivables with specific allowance	5.8		7.0
Receivables without specific allowance	5.5	6.5	5.9
Unpaid Principal Balance
Receivables with specific allowance	5.7		6.9
Receivables without specific allowance	5.3	6.3	5.7
Specific Allowance	1.7		1.7
Average Recorded Investment
Receivables with specific allowance	6.6		8.4
Receivables without specific allowance	5.6	6.9	6.1
Revolving charge accounts
Recorded Investment
Receivables with specific allowance	0.2		0.2
Unpaid Principal Balance
Receivables with specific allowance	0.2		0.2
Specific Allowance	0.2		0.2
Average Recorded Investment
Receivables with specific allowance	0.2		0.2
Wholesale receivables
Recorded Investment
Receivables with specific allowance	0.1	0.1	0.1
Unpaid Principal Balance
Receivables with specific allowance	0.1	0.1	0.1
Specific Allowance	0.1	0.1	0.1
Average Recorded Investment
Receivables with specific allowance	0.1	0.1	0.1
Operating loans
Recorded Investment
Receivables with specific allowance		17.7
Unpaid Principal Balance
Receivables with specific allowance		17.7
Specific Allowance		3.7
Average Recorded Investment
Receivables with specific allowance		$ 18.0

Average amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 15

-Subparagraph (c)(1)

-URI http://asc.fasb.org/extlink&oid=35738203&loc=d3e5212-111524

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 17

-URI http://asc.fasb.org/extlink&oid=35738203&loc=d3e5258-111524

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

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-Topic 310

-SubTopic 10

-Section 50

-Paragraph 14A

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