Income Taxes (Details 2) (USD $) In Millions, unless otherwise specified	Oct. 31, 2012	Oct. 31, 2011
Deferred Tax Assets
Allowance for credit losses	$ 45.9	$ 53.2
Unrealized gain/loss on derivatives	6.1	4.3
Accrual for retirement and other benefits	8.0	9.4
Federal taxes on deferred state tax deductions	12.2	8.8
Tax loss and tax credit carryforwards	3.9	4.4
Miscellaneous accruals and other	0.2
Less valuation allowances	(0.4)
Deferred income tax assets	75.9	80.1
Deferred Tax Liabilities
Lease transactions	345.6	340.1
Tax over book depreciation	2.0	7.6
Deferred retail note finance income	3.0	3.0
Miscellaneous accruals and other		5.8
Deferred income tax liabilities	350.6	356.5
Additional Deferred income Tax Information
Tax loss and tax credit carryforwards, expiring from 2013 through 2031	3.5
Tax loss and tax credit carryforwards with an indefinite carryforward period	$ 0.4

Includes, 1) the sum of the tax effects as of the balance sheet date of the amount of excesses of tax deductions over gross income in a year which cannot be used on the tax returns in the current year but can be carried forward to reduce taxable income or income taxes payable in a future year, for which there must be sufficient tax-basis income to utilize a portion or all of the carryforward amount to realize the deferred tax asset and 2) the tax effect as of the balance sheet date of the amount of future tax deductions arising from all unused tax credit carryforwards.

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