Intangible Assets and Goodwill (Schedule of Goodwill) (Details) $ in Thousands	3 Months Ended
	Feb. 28, 2019 USD ($)
Goodwill [Roll Forward]
Balance, November 30, 2018	$ 314,992	[1]
Translation adjustments	18
Balance, February 28, 2019	315,010
OpenEdge
Goodwill [Roll Forward]
Balance, November 30, 2018	248,987
Translation adjustments	18
Balance, February 28, 2019	249,005
Data Connectivity and Integration
Goodwill [Roll Forward]
Balance, November 30, 2018	19,040
Translation adjustments	0
Balance, February 28, 2019	19,040
Application Development and Deployment
Goodwill [Roll Forward]
Balance, November 30, 2018	46,965
Translation adjustments	0
Balance, February 28, 2019	$ 46,965

[1] The Company adopted ASC 606 effective December 1, 2018 using the full retrospective method. See Note 1. Nature of Business and Basis of Presentation for further information.