Schedule II - Valuation and Qualifying Accounts (Detail) (Tax Valuation Allowance [Member], USD $) In Millions, unless otherwise specified	12 Months Ended
Nov. 30, 2013	Nov. 30, 2012	Nov. 30, 2011
Tax Valuation Allowance [Member]
Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at Beginning of Period	$ 288.1	$ 211.1	$ 212.5
Tax Valuation Allowance Charged to Income Tax Provision	61.2	39.1	27.8
Charged to Other Accounts	(100.4)	65.2	2.4
Tax Valuation Allowance Credited to Income Tax Provision	(246.3)	(27.3)	(31.6)
Balance at End of Period	$ 2.6	$ 288.1	$ 211.1

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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Total of the deductions in a given period to 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, representing receivables written off as uncollectible and portions of the reserves utilized, respectively.

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