CONDENSED CONSOLIDATED STATEMENTS OF INCOME AND COMPREHENSIVE INCOME (unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Apr. 30, 2012	Apr. 30, 2011
Revenue:
License fees	$ 7,865	$ 6,344
Maintenance and other	34,520	34,338
Subscription fees	3,223	2,208
Professional services	18,100	16,513
Total revenue	63,708	59,403
Costs of revenue:
License fees	881	1,031
Maintenance, subscription and other	10,000	8,775
Professional services	15,738	16,288
Total cost of revenue	26,619	26,094
Gross profit	37,089	33,309
Operating expenses:
Sales and marketing	15,496	14,489
Research and development	9,534	8,483
General and administrative	8,105	7,713
Total operating expenses	33,135	30,685
Operating income	3,954	2,624
Other expense (income):
Interest income	(163)	(136)
Interest expense	286	270
Other expense, net	446	818
Total other expense, net	569	952
Income before income taxes	3,385	1,672
Income tax expense	1,541	652
Net income	1,844	1,020
Comprehensive income:
Foreign currency translation adjustment, net of tax	145	(570)
Total comprehensive income	$ 1,989	$ 450
Common Class A [Member]
Basic net income per share
Earning per share (in dollars per share)	$ 0.12	$ 0.07
Diluted net income per share
Earning per share (in dollars per share)	$ 0.12	$ 0.06
Common Class B [Member]
Basic net income per share
Earning per share (in dollars per share)	$ 0.10	$ 0.06
Diluted net income per share
Earning per share (in dollars per share)	$ 0.10	$ 0.05