Acquisitions and Divestitures - Acquisitions (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
Oct. 31, 2014 Company	Oct. 31, 2013 Acquisition	Oct. 31, 2012 Acquisition
Business Acquisition [Line Items]
Number of Acquisitions	2us-gaap_NumberOfBusinessesAcquired	0us-gaap_NumberOfBusinessesAcquired	0us-gaap_NumberOfBusinessesAcquired
Purchase Price, net of Cash	$ 53.5
Goodwill	880.2us-gaap_Goodwill	998.4us-gaap_Goodwill	971.0us-gaap_Goodwill
Total 2014 Acquisitions [Member]
Business Acquisition [Line Items]
Number of Acquisitions	2
Purchase Price, net of Cash	53.5
Tangible Assets, net	2.5
Intangible Assets	22.1
Goodwill	$ 25.9

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Amount of intangible assets, excluding goodwill, acquired at the acquisition date.

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- Definition

The amount of property, plant, and equipment recognized as of the acquisition date.

+ References

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

-Publisher FASB

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- Definition

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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

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The number of businesses acquired by the entity during the period.

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The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase.

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