Acquisitions (Unaudited Proforma Combined Historical Results) (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	12 Months Ended
Nov. 30, 2011
Equity Method Investments and Joint Ventures [Abstract]
Net sales	$ 3,839.1
Net income	$ 383.1
Earnings per share-diluted	$ 2.85

The pro forma diluted net income per share for a period as if the business combination or combinations had been completed at the beginning of a period.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (h)(2)-(3)

-URI http://asc.fasb.org/extlink&oid=25497992&loc=d3e1392-128463

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- Definition

The pro forma net Income or Loss for the period as if the business combination or combinations had been completed at the beginning of a period.

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- Definition

The pro forma revenue for a period as if the business combination or combinations had been completed at the beginning of the period.

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