CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (unaudited) (USD $) In Thousands, except Per Share data	3 Months Ended		6 Months Ended
	Jul. 31, 2011	Jul. 31, 2010	Jul. 31, 2011	Jul. 31, 2010
Revenue:
License fees	$ 8,550	$ 5,903	$ 14,894	$ 11,742
Maintenance and other	35,393	31,304	69,731	62,815
Subscription fees	2,322	1,337	4,530	2,485
Professional services	15,692	12,761	32,205	25,104
Total revenue	61,957	51,305	121,360	102,146
Costs of revenue:
License fees	1,004	1,363	2,035	2,793
Maintenance, subscription and other	9,067	8,032	17,842	16,680
Professional services	16,741	12,093	33,029	24,667
Total cost of revenue	26,812	21,488	52,906	44,140
Gross profit	35,145	29,817	68,454	58,006
Operating expenses:
Sales and marketing	13,864	12,183	28,353	25,689
Research and development	9,237	8,819	17,720	18,146
General and administrative	7,397	7,727	15,110	15,168
Total operating expenses	30,498	28,729	61,183	59,003
Operating income (loss)	4,647	1,088	7,271	(997)
Other (income) expense:
Interest income	(146)	(111)	(282)	(244)
Interest expense	287	309	557	607
Other (income) expense, net	(356)	(99)	462	(122)
Total other (income) expense	(215)	99	737	241
Income (loss) before income taxes	4,862	989	6,534	(1,238)
Income tax expense (benefit)	1,792	674	2,444	(333)
Net income (loss)	$ 3,070	$ 315	$ 4,090	$ (905)
Common Class A [Member]
Basic net income (loss) per share
Earnings per share (in dollars per share)	$ 0.20	$ 0.02	$ 0.26	$ (0.06)
Diluted net income (loss) per share
Earnings per share (in dollars per share)	$ 0.19	$ 0.02	$ 0.26	$ (0.06)
Common Class B [Member]
Basic net income (loss) per share
Earnings per share (in dollars per share)	$ 0.16	$ 0.02	$ 0.22	$ (0.05)
Diluted net income (loss) per share
Earnings per share (in dollars per share)	$ 0.16	$ 0.02	$ 0.21	$ (0.05)