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Receivables - Troubled Debt Restructurings (Details)
$ in Millions
6 Months Ended
Apr. 30, 2017
USD ($)
item
May 01, 2016
USD ($)
item
Receivables Related to Troubled Debt Restructurings    
Receivable contracts in troubled debt restructuring, number | item 222 44
Receivables in troubled debt restructurings, aggregate balances, pre-modification $ 4.8 $ 1.2
Receivables in troubled debt restructurings, aggregate balances, post-modification $ 3.8 $ 0.7
Number of troubled debt restructurings that subsequently defaulted | item 0 0
Commitments to lend additional funds to borrowers whose accounts were modified in troubled debt restructurings $ 0.0