Intangible Assets and Goodwill (Schedule of Goodwill) (Details) $ in Thousands	9 Months Ended
Aug. 31, 2017 USD ($)
Goodwill [Roll Forward]
Balance, November 30, 2016	$ 278,067
Additions	37,794
Translation adjustments	52
Balance, August 31, 2017	315,913
OpenEdge [Member]
Goodwill [Roll Forward]
Balance, November 30, 2016	212,062
Additions	37,794
Translation adjustments	52
Balance, August 31, 2017	249,908
Data Connectivity and Integration [Member]
Goodwill [Roll Forward]
Balance, November 30, 2016	19,040
Additions	0
Translation adjustments	0
Balance, August 31, 2017	19,040
Application Development and Deployment [Member]
Goodwill [Roll Forward]
Balance, November 30, 2016	46,965
Additions	0
Translation adjustments	0
Balance, August 31, 2017	$ 46,965

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=64834752&loc=SL49117168-202975

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Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

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Amount of foreign currency translation gain (loss) which increases (decreases) an asset representing future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized.

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

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