CONSOLIDATED STATEMENTS OF INCOME (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Jan. 31, 2012	Jan. 31, 2011	Jan. 31, 2010
Revenue:
License fees	$ 33,166	$ 29,821	$ 25,927
Maintenance and other	137,659	130,104	129,658
Subscription fees	9,787	5,773	4,009
Professional services	66,646	54,314	55,637
Total revenue	247,258	220,012	215,231
Costs of revenue:
License fees	4,585	5,624	6,506
Maintenance, subscription and other revenue	36,077	33,130	31,669
Professional services	64,677	55,194	53,452
Total cost of revenue	105,339	93,948	91,627
Gross profit	141,919	126,064	123,604
Operating expenses
Sales and marketing	58,336	54,206	51,979
Research and development	35,708	34,575	37,303
General and administrative	29,969	30,637	30,969
Amortization of intangible assets from acquisitions	14	55	482
Total operating expenses	124,027	119,473	120,733
Operating income	17,892	6,591	2,871
Other (income) expense:
Interest income	(630)	(515)	(570)
Interest expense	1,174	1,248	1,273
Other (income) expense, net	548	304	(289)
Total other expense, net	1,092	1,037	414
Income before income taxes	16,800	5,554	2,457
Income tax expense	6,016	2,843	1,108
Net income	$ 10,784	$ 2,711	$ 1,349
Common Class A [Member]
Basic net income per share:
Earning per share (in dollars per share)	$ 0.69	$ 0.18	$ 0.09
Diluted net income per share:
Earning per share (in dollars per share)	$ 0.67	$ 0.17	$ 0.09
Common Class B [Member]
Basic net income per share:
Earning per share (in dollars per share)	$ 0.58	$ 0.15	$ 0.08
Diluted net income per share:
Earning per share (in dollars per share)	$ 0.56	$ 0.14	$ 0.07