Segment Information (Revenue And Income (Losses) From Operations For Reportable Segments) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	May 31, 2012	May 31, 2011	May 31, 2012	May 31, 2011
Segment Reporting, Revenue Reconciling Item [Line Items]
Total revenue	$ 114,596	$ 134,684	$ 239,022	$ 268,921
Total income (loss) from operations	(3,772)	27,210	8,122	55,526
Amortization of acquired intangibles	(5,398)	(5,912)	(10,953)	(12,161)
Stock-based compensation	(6,669)	(5,103)	(13,760)	(9,287)
Transition expense		(432)		(856)
Restructuring Charges	(8,496)	(1,144)	(8,496)	(3,258)
Acquisition-related expense	0	0	(215)	0
Litigation settlement			(900)
Proxy contest-related costs	(2,766)		(3,238)
Application Development Platform Segment [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Total revenue	71,898	83,896	147,467	162,973
Total income (loss) from operations	40,557	48,183	82,338	94,839
Enterprise Business Solutions Segment [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Total revenue	29,940	34,162	60,834	71,289
Total income (loss) from operations	(21,949)	(9,272)	(42,615)	(16,153)
Enterprise Data Solutions Segment [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Total revenue	12,758	16,626	30,721	34,659
Total income (loss) from operations	$ 949	$ 890	$ 5,961	$ 2,402