Sale of Non-United States Accounts Receivable - Company's Accounts Receivables Programs (Detail) - USD ($) $ in Millions	12 Months Ended
	Oct. 31, 2017	Oct. 31, 2016	Oct. 31, 2015
European RPA
Finance Receivable Transferred To Held For Sale [Line Items]
Gross accounts receivable sold to third party financial institution	$ 715.1	$ 620.3	$ 715.2
Cash received for accounts receivable sold under the programs	633.4	548.1	633.6
Deferred purchase price related to accounts receivable sold	81.8	71.7	76.2
Loss associated with the programs	0.5	0.8	1.5
Expenses associated with the programs	0.0	0.0	0.0
Accounts receivable sold to and held by third party financial institution	116.3	106.7
Deferred purchase price asset (liability) related to accounts receivable sold	(4.2)	(0.4)
Singapore RPA
Finance Receivable Transferred To Held For Sale [Line Items]
Gross accounts receivable sold to third party financial institution	50.1	44.1	48.1
Cash received for accounts receivable sold under the programs	43.0	36.4	48.1
Deferred purchase price related to accounts receivable sold	7.1	7.1	0.0
Loss associated with the programs	0.6	0.0	0.1
Expenses associated with the programs	0.4	0.0	0.1
Accounts receivable sold to and held by third party financial institution	3.8	4.0
Uncollected deferred purchase price related to accounts receivable sold	0.5	0.5
Total RPAs and Agreements
Finance Receivable Transferred To Held For Sale [Line Items]
Gross accounts receivable sold to third party financial institution	765.2	664.4	763.3
Cash received for accounts receivable sold under the programs	676.4	584.5	681.7
Deferred purchase price related to accounts receivable sold	88.9	78.8	76.2
Loss associated with the programs	1.1	0.8	1.6
Expenses associated with the programs	0.4	0.0	$ 0.1
Accounts receivable sold to and held by third party financial institution	120.1	110.7
Deferred purchase price asset (liability) related to accounts receivable sold	$ (3.7)	$ 0.1