Basis of Presentation and Significant Accounting Policies (Details 2) (USD $)	12 Months Ended
	Nov. 30, 2012
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Goodwill impairment	$ 0
Purchased technology [Member]
Purchased and other intangible assets
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	5 years
Customer contracts and relationships [Member]
Purchased and other intangible assets
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	10 years
Trademarks [Member]
Purchased and other intangible assets
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	7 years
Acquired rights to use technology [Member]
Purchased and other intangible assets
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	9 years
Localization [Member]
Purchased and other intangible assets
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	1 year
Other intangibles [Member]
Purchased and other intangible assets
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	3 years
Minimum [Member]
Purchased and other intangible assets
Intangible assets estimated useful lives - range (in years)	1 year
Maximum [Member]
Purchased and other intangible assets
Intangible assets estimated useful lives - range (in years)	13 years