Consolidated Statements of Operations and Comprehensive (Loss) Income - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2018	Jan. 31, 2017	Jan. 31, 2016
Revenue:
Subscription fees	$ 69,615	$ 52,167	$ 38,806
License fees	25,807	23,633	29,891
Maintenance and other	128,142	130,406	132,962
Professional services	81,454	71,767	76,193
Total revenue	305,018	277,973	277,852
Costs of revenue:
Subscription fees	30,563	27,027	20,635
License fees	2,946	2,990	3,624
Maintenance and other	31,246	30,517	30,973
Professional services	84,670	70,317	71,330
Total cost of revenue	149,425	130,851	126,562
Gross profit	155,593	147,122	151,290
Operating expenses
Sales and marketing	75,368	67,194	66,535
Research and development	47,661	43,587	41,237
General and administrative	35,222	32,318	32,689
Amortization of intangible assets from acquisitions	416	659	658
Total operating expenses	158,667	143,758	141,119
Operating (loss) income	(3,074)	3,364	10,171
Other (income) expense:
Interest income	(1,547)	(696)	(320)
Interest expense	669	670	712
Other (income) expense, net	2,012	(436)	(757)
Total other (income) expense, net	1,134	(462)	(365)
(Loss) income before income taxes	(4,208)	3,826	10,536
Income tax expense	4,857	19,276	1,624
Net (loss) income	(9,065)	(15,450)	8,912
Diluted net (loss) income per share:
Net (loss) income	(9,065)	(15,450)	8,912
Other comprehensive income (loss), net of tax
Foreign currency translation adjustment	1,803	98	(1,311)
Total comprehensive (loss) income	(7,262)	(15,352)	7,601
Common Class A [Member]
Other (income) expense:
Net (loss) income	$ (7,762)	$ (13,211)	$ 7,606
Basic net (loss) income per share:
Basic net (loss) income per share (in dollars per share)	$ (0.49)	$ (0.84)	$ 0.49
Diluted net (loss) income per share:
Diluted net (loss) income per share (in dollars per share)	$ (0.49)	$ (0.84)	$ 0.47
Net (loss) income	$ (7,762)	$ (13,211)	$ 7,606
Common Class B [Member]
Other (income) expense:
Net (loss) income	$ (1,303)	$ (2,239)	$ 1,306
Basic net (loss) income per share:
Basic net (loss) income per share (in dollars per share)	$ (0.41)	$ (0.70)	$ 0.41
Diluted net (loss) income per share:
Diluted net (loss) income per share (in dollars per share)	$ (0.41)	$ (0.70)	$ 0.40
Net (loss) income	$ (1,303)	$ (2,239)	$ 1,306