Share-based Compensation Tax Benefits (Details) (USD $) In Millions, unless otherwise specified	Nov. 30, 2012	Dec. 02, 2011	Dec. 03, 2010
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits	$ 47.1	$ 58.3	$ 61.5

Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from compensation and benefits costs.

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-Name Statement of Financial Accounting Standard (FAS)

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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