Income Taxes - Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Millions	Oct. 31, 2016	Oct. 31, 2015
Deferred Tax Assets
Allowance for credit losses	$ 53.6	$ 45.3
Accrual for retirement and other benefits	26.3	27.4
Federal taxes on deferred state tax deductions	14.6	14.1
Tax loss and tax credit carryforwards	20.8	11.8
Miscellaneous accruals and other	8.3	17.6
Less valuation allowances	(1.8)	(1.1)
Deferred income tax assets	121.8	115.1
Deferred Tax Liabilities
Lease transactions	789.9	505.4
Tax over book depreciation	12.0	9.7
Deferred retail note finance income	5.4	6.2
Miscellaneous accruals and other	0.2
Deferred income tax liabilities	807.5	$ 521.3
Additional Deferred income Tax Information
Tax loss and tax credit carryforwards, expiring from 2017 through 2036	17.1
Tax loss and tax credit carryforwards with an indefinite carryforward period	$ 3.7

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.

No definition available.