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Receivables - Troubled Debt Restructurings (Details)
$ in Millions
3 Months Ended
Jan. 27, 2019
USD ($)
item
Jan. 28, 2018
USD ($)
item
Receivables Related to Troubled Debt Restructurings    
Receivable contracts in troubled debt restructuring, number | item 64 83
Receivables in troubled debt restructurings, aggregate balances, pre-modification $ 1.5 $ 4.8
Receivables in troubled debt restructurings, aggregate balances, post-modification 1.4 4.6
Receivable contracts in troubled debt restructuring, subsequently defaulted 0.0 $ 0.0
Commitments to lend additional funds to borrowers whose accounts were modified in troubled debt restructurings $ 0.0