Business Segments and International Operations (Income from Continuing Operations by Segment) (Details) $ in Thousands	3 Months Ended		6 Months Ended
	May. 31, 2015 USD ($)	May. 31, 2014 USD ($)	May. 31, 2015 USD ($) Segments	May. 31, 2014 USD ($)
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Number of reporting units | Segments			3
Segment revenue	$ 88,817	$ 80,827	$ 170,198	$ 155,365
Segment costs of revenue and operating expenses	32,430	20,219	64,598	41,960
Segment contribution margin	56,387	60,608	105,600	113,405
Other unallocated expenses	59,122	40,328	119,521	79,123
(Loss) income from operations	(2,735)	20,280	(13,921)	34,282
Other income (expense), net	(1,025)	(129)	(93)	(123)
(Loss) income before income taxes	(3,760)	20,151	(14,014)	34,159
OpenEdge [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Segment revenue	71,906	73,192	141,377	139,926
Segment costs of revenue and operating expenses	18,446	15,855	37,980	33,246
Segment contribution margin	53,460	57,337	103,397	106,680
Data Connectivity and Integration [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Segment revenue	7,275	7,407	14,388	15,046
Segment costs of revenue and operating expenses	3,133	2,601	6,383	5,398
Segment contribution margin	4,142	4,806	8,005	9,648
Application Development and Deployment [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Segment revenue	9,636	228	14,433	393
Segment costs of revenue and operating expenses	10,851	1,763	20,235	3,316
Segment contribution margin	$ (1,215)	$ (1,535)	$ (5,802)	$ (2,923)