CONSOLIDATED STATEMENTS OF INCOME AND COMPREHENSIVE INCOME (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Jan. 31, 2013	Jan. 31, 2012	Jan. 31, 2011
Revenue:
License fees	$ 31,260	$ 33,166	$ 29,821
Maintenance and other	138,563	137,659	130,104
Subscription fees	14,838	9,787	5,773
Professional services	67,511	66,646	54,314
Total revenue	252,172	247,258	220,012
Costs of revenue:
License fees	4,032	4,585	5,624
Maintenance, subscription and other revenue	40,355	36,077	33,130
Professional services	63,206	64,677	55,194
Total cost of revenue	107,593	105,339	93,948
Gross profit	144,579	141,919	126,064
Operating expenses:
Sales and marketing	62,223	58,336	54,206
Research and development	38,332	35,708	34,575
General and administrative	31,952	29,969	30,637
Amortization of intangible assets from acquisitions	264	14	55
Total operating expenses	132,771	124,027	119,473
Operating income	11,808	17,892	6,591
Other (income) expense:
Interest income	(590)	(630)	(515)
Interest expense	990	1,174	1,248
Other expense, net	1,118	548	304
Total other expense, net	1,518	1,092	1,037
Income before income taxes	10,290	16,800	5,554
Income tax expense	3,651	6,016	2,843
Net income	6,639	10,784	2,711
Comprehensive income:
Foreign currency translation adjustment, net of tax	2,018	(1,737)	533
Total comprehensive income	8,657	9,047	3,244
Common Class A [Member]
Other (income) expense:
Net income	5,483	8,935	2,244
Basic net income per share:
Earnings per share (in dollars per share)	$ 0.44	$ 0.69	$ 0.18
Diluted net income per share:
Earnings per share (in dollars per share)	$ 0.42	$ 0.67	$ 0.17
Common Class B [Member]
Other (income) expense:
Net income	$ 1,156	$ 1,849	$ 467
Basic net income per share:
Earnings per share (in dollars per share)	$ 0.37	$ 0.58	$ 0.15
Diluted net income per share:
Earnings per share (in dollars per share)	$ 0.35	$ 0.56	$ 0.14