Sale of Non-United States Accounts Receivable - Company's Accounts Receivables Programs (Detail) - USD ($) $ in Millions	3 Months Ended
	Jan. 31, 2017	Jan. 31, 2016	Oct. 31, 2016
European RPA
Finance Receivable Transferred To Held For Sale [Line Items]
Gross accounts receivable sold to third party financial institution	$ 137.6	$ 135.1
Cash received for accounts receivable sold under the programs	122.0	120.0
Deferred purchase price related to accounts receivable sold	15.6	15.1
Loss associated with the programs	0.1	0.2
Expenses associated with the programs	0.0	0.0
Accounts receivable sold to and held by third party financial institution	103.0		$ 106.7
Deferred purchase price asset (liability) related to accounts receivable sold	18.7		(0.4)
Singapore RPA
Finance Receivable Transferred To Held For Sale [Line Items]
Gross accounts receivable sold to third party financial institution	9.9	10.1
Cash received for accounts receivable sold under the programs	8.0	10.1
Deferred purchase price related to accounts receivable sold	1.9	0.0
Loss associated with the programs	0.0	0.0
Expenses associated with the programs	0.0	0.0
Accounts receivable sold to and held by third party financial institution	4.4		4.0
Deferred purchase price asset (liability) related to accounts receivable sold	0.6		0.5
Total RPAs and Agreements
Finance Receivable Transferred To Held For Sale [Line Items]
Gross accounts receivable sold to third party financial institution	147.5	145.2
Cash received for accounts receivable sold under the programs	130.0	130.1
Deferred purchase price related to accounts receivable sold	17.5	15.1
Loss associated with the programs	0.1	0.2
Expenses associated with the programs	0.0	$ 0.0
Accounts receivable sold to and held by third party financial institution	107.4		110.7
Deferred purchase price asset (liability) related to accounts receivable sold	$ 19.3		$ 0.1