Income Taxes (Details 2) (USD $)	12 Months Ended
	Nov. 30, 2012
Income Tax Disclosure [Abstract]
Unrecognized deferred tax liablity for foreign earnings with no U.S. income taxes paid	$ 800,000,000
Operating Loss Carryforwards [Line Items]
Undistributed Earnings of Foreign Subsidiaries	2,900,000,000
Deferred tax attributes related to stock-based compensation	45,000,000
Operating Loss Carryforwards [Abstract]
Valuation Allowance, Amount	28,200,000
Valuation Allowance, Deferred Tax Asset, Change in Amount	23,000,000
Valuation Allowance Change, Impacting Statements of Income	2,100,000
Federal [Member]
Operating Loss Carryforwards [Abstract]
Net operating loss carryforward	33,700,000
Tax credit carry forward	1,900,000
State [Member]
Operating Loss Carryforwards [Abstract]
Net operating loss carryforward	77,700,000
Tax credit carry forward	18,000,000
Foreign Tax Authority [Member]
Operating Loss Carryforwards [Abstract]
Tax credit carry forward	$ 17,600,000
Minimum [Member]
Operating Loss Carryforwards [Abstract]
Other Tax Carryforward, Expiration Dates	2017
Maximum [Member]
Operating Loss Carryforwards [Abstract]
Other Tax Carryforward, Expiration Dates	2032