Allowance for Credit Losses and Credit Quality of Receivables (Details 5) $ in Millions	12 Months Ended
	Oct. 31, 2015 USD ($) item	Oct. 31, 2014 USD ($) item	Oct. 31, 2013 USD ($) item
Receivables Related to Troubled Debt Restructurings
Receivable contracts in troubled debt restructuring, number | item	106	66	92
Receivables in troubled debt restructurings, aggregate balances, pre-modification	$ 3.1	$ 2.6	$ 15.8
Receivables in troubled debt restructurings, aggregate balances, post-modification	$ 2.4	$ 2.2	$ 15.0