Basis of Presentation and Significant Accounting Policies (Details 2)	12 Months Ended
	Nov. 30, 2018
Purchased Technology [Member]
Purchased and other intangible assets
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	6 years
Customer Contracts and Relationships [Member]
Purchased and other intangible assets
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	9 years
Trademarks [Member]
Purchased and other intangible assets
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	9 years
Acquired rights to use technology [Member]
Purchased and other intangible assets
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	10 years
Backlog [Member]
Purchased and other intangible assets
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	2 years
Other intangibles [Member]
Purchased and other intangible assets
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	4 years
Minimum
Purchased and other intangible assets
Intangible assets estimated useful lives - range (in years)	1 year
Maximum
Purchased and other intangible assets
Intangible assets estimated useful lives - range (in years)	14 years