Receivables (Details 3) (USD $) In Millions, unless otherwise specified	3 Months Ended		12 Months Ended
	Jan. 31, 2014	Jan. 31, 2013	Oct. 31, 2013
Recorded Investment
Receivables with specific allowance	$ 17.8	$ 0.2	$ 18.1
Receivables without specific allowance	6.5	8.5	7.2
Total	24.3	8.7	25.3
Unpaid Principal Balance
Receivables with specific allowance	17.8	0.2	18.0
Receivables without specific allowance	6.3	8.3	7.1
Total	24.1	8.5	25.1
Specific Allowance	3.8	0.1	3.8
Average Recorded Investment
Receivables with specific allowance	18.1	0.2	19.0
Receivables without specific allowance	6.9	8.5	8.0
Total	25.0	8.7	27.0
Agriculture and turf
Recorded Investment
Total	22.4	6.1	23.2
Unpaid Principal Balance
Total	22.2	5.9	23.0
Specific Allowance	3.8	0.1	3.8
Average Recorded Investment
Total	23.0	6.1	24.6
Construction and forestry
Recorded Investment
Total	1.9	2.6	2.1
Unpaid Principal Balance
Total	1.9	2.6	2.1
Average Recorded Investment
Total	2.0	2.6	2.4
Retail notes
Recorded Investment
Receivables without specific allowance	6.5	8.5	7.2
Unpaid Principal Balance
Receivables without specific allowance	6.3	8.3	7.1
Average Recorded Investment
Receivables without specific allowance	6.9	8.5	8.0
Wholesale receivables
Recorded Investment
Receivables with specific allowance	0.1	0.2	0.1
Unpaid Principal Balance
Receivables with specific allowance	0.1	0.2	0.1
Specific Allowance	0.1	0.1	0.1
Average Recorded Investment
Receivables with specific allowance	0.1	0.2	0.2
Operating loans
Recorded Investment
Receivables with specific allowance	17.7		18.0
Unpaid Principal Balance
Receivables with specific allowance	17.7		17.9
Specific Allowance	3.7		3.7
Average Recorded Investment
Receivables with specific allowance	$ 18.0		$ 18.8