Sale of Non-United States Accounts Receivable - Company's Accounts Receivables Programs (Detail) - USD ($) $ in Millions	12 Months Ended
	Oct. 31, 2018	Oct. 31, 2017	Oct. 31, 2016
European RPA
Finance Receivable Transferred To Held For Sale [Line Items]
Gross accounts receivable sold to third party financial institution	$ 707.2	$ 715.1	$ 620.3
Cash received for accounts receivable sold under the programs	628.8	633.4	548.1
Deferred purchase price related to accounts receivable sold	78.5	81.8	71.7
Loss associated with the programs	0.3	0.5	0.8
Expenses associated with the programs	0.0	0.0	0.0
Accounts receivable sold to and held by third party financial institution	132.1	116.3
Deferred purchase price liability related to accounts receivable sold	(6.2)	(4.2)
Singapore RPA
Finance Receivable Transferred To Held For Sale [Line Items]
Gross accounts receivable sold to third party financial institution	57.0	50.1	44.1
Cash received for accounts receivable sold under the programs	48.9	43.0	36.4
Deferred purchase price related to accounts receivable sold	8.2	7.1	7.1
Loss associated with the programs	0.1	0.6	0.0
Expenses associated with the programs	0.1	0.4	0.0
Accounts receivable sold to and held by third party financial institution	5.8	3.8
Deferred purchase price asset related to accounts receivable sold	0.7	0.5
Total RPAs and Agreements
Finance Receivable Transferred To Held For Sale [Line Items]
Gross accounts receivable sold to third party financial institution	764.2	765.2	664.4
Cash received for accounts receivable sold under the programs	677.7	676.4	584.5
Deferred purchase price related to accounts receivable sold	86.7	88.9	78.8
Loss associated with the programs	0.4	1.1	0.8
Expenses associated with the programs	0.1	0.4	$ 0.0
Accounts receivable sold to and held by third party financial institution	137.9	120.1
Deferred purchase price liability related to accounts receivable sold	$ (5.5)	$ (3.7)