Receivables - Impaired Receivables (Details) - USD ($) $ in Millions	6 Months Ended	12 Months Ended
Apr. 28, 2019	Apr. 29, 2018	Oct. 28, 2018
Recorded Investment
Receivables with specific allowance	$ 11.4	$ 7.7	$ 6.6
Receivables without specific allowance	26.6	27.6	26.3
Total	38.0	35.3	32.9
Unpaid Principal Balance
Receivables with specific allowance	11.1	7.7	6.4
Receivables without specific allowance	26.1	27.4	26.0
Total	37.2	35.1	32.4
Specific Allowance	5.4	2.7	2.9
Average Recorded Investment
Receivables with specific allowance	11.4	9.2	7.6
Receivables without specific allowance	27.0	30.8	28.7
Total	38.4	40.0	36.3
Agriculture and turf
Recorded Investment
Total	32.7	29.4	28.8
Unpaid Principal Balance
Total	32.1	29.2	28.4
Specific Allowance	5.1	2.6	2.9
Average Recorded Investment
Total	33.1	33.8	31.7
Construction and forestry
Recorded Investment
Total	5.3	5.9	4.1
Unpaid Principal Balance
Total	5.1	5.9	4.0
Specific Allowance	0.3	0.1
Average Recorded Investment
Total	5.3	6.2	4.6
Retail notes
Recorded Investment
Receivables with specific allowance	4.8	0.8	0.8
Receivables without specific allowance	25.3	25.7	23.9
Unpaid Principal Balance
Receivables with specific allowance	4.6	0.8	0.6
Receivables without specific allowance	24.8	25.6	23.6
Specific Allowance	1.8	0.1	0.1
Average Recorded Investment
Receivables with specific allowance	4.9	0.9	0.9
Receivables without specific allowance	26.5	26.6	26.1
Wholesale receivables
Recorded Investment
Receivables with specific allowance	5.9	6.7	5.8
Receivables without specific allowance	1.3	1.9	2.4
Unpaid Principal Balance
Receivables with specific allowance	5.9	6.7	5.8
Receivables without specific allowance	1.3	1.8	2.4
Specific Allowance	2.9	2.5	2.8
Average Recorded Investment
Receivables with specific allowance	5.8	8.1	6.7
Receivables without specific allowance	0.5	4.2	$ 2.6
Financing leases
Recorded Investment
Receivables with specific allowance	0.7	0.2
Unpaid Principal Balance
Receivables with specific allowance	0.6	0.2
Specific Allowance	0.7	0.1
Average Recorded Investment
Receivables with specific allowance	$ 0.7	$ 0.2

Average amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.

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