Intangible Assets and Goodwill (Summary Of Changes In The Carrying Amount Of Goodwill) (Details) - USD ($) $ in Thousands	12 Months Ended
Nov. 30, 2015	Nov. 30, 2014
Goodwill [Roll Forward]
Balance, beginning of year	$ 232,836	$ 224,286
Additions	137,472	8,690
Translation adjustments	(323)	(140)
Balance, end of year	369,985	232,836
OpenEdge [Member]
Goodwill [Roll Forward]
Balance, beginning of year	212,303
Additions	0
Translation adjustments	(323)
Balance, end of year	211,980	212,303
Data Connectivity and Integration [Member]
Goodwill [Roll Forward]
Balance, beginning of year	19,040
Additions	0
Translation adjustments	0
Balance, end of year	19,040	19,040
Application Development and Deployment [Member]
Goodwill [Roll Forward]
Balance, beginning of year	1,493
Additions	137,472
Translation adjustments	0
Balance, end of year	$ 138,965	$ 1,493

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
-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

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- Definition

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.

+ References

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

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- Definition

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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- Definition

Amount of increase (decrease) from foreign currency translation adjustments of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

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

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