Consolidated Statements Of Income (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Nov. 30, 2011	Nov. 30, 2010	Nov. 30, 2009
Revenue:
Software licenses	$ 184,173	$ 192,568	$ 175,566
Maintenance and services	349,422	336,552	318,571
Total revenue	533,595	529,120	494,137
Costs of revenue:
Cost of software licenses	8,962	7,923	7,776
Cost of maintenance and services	78,605	71,290	65,967
Amortization of acquired intangibles	15,728	20,109	19,459
Total costs of revenue	103,295	99,322	93,202
Gross profit	430,300	429,798	400,935
Operating expenses:
Sales and marketing	186,077	168,788	182,227
Product development	80,719	90,643	93,262
General and administrative	62,100	51,805	59,612
Amortization of acquired intangibles	8,018	10,449	9,047
Restructuring expenses	4,627	39,975	5,215
Acquisition-related expenses	536	468	440
Total operating expenses	342,077	362,128	349,803
Income from operations	88,223	67,670	51,132
Other (expense) income:
Interest income and other	1,999	3,132	2,702
Foreign currency (loss) gain	(2,518)	626	(2,654)
Total other (expense) income, net	(519)	3,758	48
Income before provision for income taxes	87,704	71,428	51,180
Provision for income taxes	28,943	22,857	18,425
Net income	$ 58,761	$ 48,571	$ 32,755
Earnings per share:
Basic	$ 0.89	$ 0.76	$ 0.54
Diluted	$ 0.87	$ 0.73	$ 0.53
Weighted average shares outstanding:
Basic	65,705	63,957	60,155
Diluted	67,540	66,212	61,562