Consolidated Statements of Operations and Comprehensive (Loss) Income - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2017	Jan. 31, 2016	Jan. 31, 2015
Revenue:
Subscription fees	$ 52,167	$ 38,806	$ 28,217
License fees	23,633	29,891	40,917
Maintenance and other	130,406	132,962	141,295
Professional services	71,767	76,193	84,672
Total revenue	277,973	277,852	295,101
Costs of revenue:
Subscription fees	27,027	20,635	17,149
License fees	2,990	3,624	5,016
Maintenance and other	30,517	30,973	32,511
Professional services	70,317	71,330	76,954
Total cost of revenue	130,851	126,562	131,630
Gross profit	147,122	151,290	163,471
Operating expenses
Sales and marketing	67,194	66,535	69,785
Research and development	43,587	41,237	42,315
General and administrative	32,318	32,689	34,680
Amortization of intangible assets from acquisitions	659	658	706
Total operating expenses	143,758	141,119	147,486
Operating income	3,364	10,171	15,985
Other (income) expense:
Interest income	(696)	(320)	(242)
Interest expense	670	712	811
Other (income) expense, net	(436)	(757)	(169)
Total other (income) expense, net	(462)	(365)	400
Income before income taxes	3,826	10,536	15,585
Income tax expense	19,276	1,624	2,639
Net (loss) income	(15,450)	8,912	12,946
Diluted net (loss) income per share:
Net (loss) income	(15,450)	8,912	12,946
Other comprehensive income (loss), net of tax
Foreign currency translation adjustment	98	(1,311)	(460)
Total comprehensive (loss) income	(15,352)	7,601	12,486
Common Class A [Member]
Other (income) expense:
Net (loss) income	$ (13,211)	$ 7,606	$ 10,729
Basic net (loss) income per share:
Basic net (loss) income per share (in dollars per share)	$ (0.84)	$ 0.49	$ 0.84
Diluted net (loss) income per share:
Diluted net (loss) income per share (in dollars per share)	$ (0.84)	$ 0.47	$ 0.79
Net (loss) income	$ (13,211)	$ 7,606	$ 10,729
Common Class B [Member]
Other (income) expense:
Net (loss) income	$ (2,239)	$ 1,306	$ 2,217
Basic net (loss) income per share:
Basic net (loss) income per share (in dollars per share)	$ (0.70)	$ 0.41	$ 0.70
Diluted net (loss) income per share:
Diluted net (loss) income per share (in dollars per share)	$ (0.70)	$ 0.40	$ 0.68
Net (loss) income	$ (2,239)	$ 1,306	$ 2,217