Schedule II - Consolidated Valuation and Qualifying Accounts and Reserves (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
Oct. 31, 2014	Oct. 31, 2013	Oct. 31, 2012
Allowance for Doubtful Accounts [Member]
Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at Beginning of Period	$ 13.5	$ 17.1	$ 13.8
Charged to Costs and Expenses	7.5	3.8	3.6
Charged to Other Accounts	(4.2)	(7.4)	(0.3)
Balance at End of Period	16.8	13.5	17.1
Environmental Reserves [Member]
Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at Beginning of Period	26.8	27.5	29.3
Charged to Costs and Expenses	0.7	2.6	1.3
Charged to Other Accounts	(2.0)	(3.9)	(2.4)
Deductions	(0.8)	0.6	(0.7)
Balance at End of Period	$ 24.7	$ 26.8	$ 27.5

Total of allowances and reserves, the valuation and qualifying accounts that are either netted against the cost of an asset (in order to value it at its carrying value) or that reflect a liability established to represent expected future costs.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 235

-SubTopic 10

-Section S99

-Paragraph 4

-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 09

-Article 12

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