Condensed Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Revenues:
Total revenues	$ 134,256	$ 130,321	$ 266,117	$ 263,521
Cost of revenue:
Total cost of revenue	65,734	61,118	130,965	122,969
Amortization of capitalized software costs and acquired intangible assets	8,843	6,924	17,256	13,468
Gross profit	68,522	69,203	135,152	140,552
Operating expenses:
Selling, general and administrative	39,046	34,229	79,174	78,865
Research and development costs, net	19,789	18,371	41,840	40,499
Amortization of acquired intangible assets	865	1,121	1,730	2,289
Impairment of assets	1,916		2,405
Restructuring costs	175		1,882
Total operating expenses	61,791	53,721	127,031	121,653
Income from operations	6,731	15,482	8,121	18,899
Interest income	36	40	115	69
Interest expense	(387)	(769)	(859)	(1,499)
Other income, net	210	237	77	611
Income before provision for income taxes	6,590	14,990	7,454	18,080
Provision for income taxes	509	1,896	129	2,338
Net income	6,081	13,094	7,325	15,742
Other comprehensive income:
Foreign currency translation, net of tax	(143)	(793)	(89)	(1,292)
Comprehensive income	$ 5,938	$ 12,301	$ 7,236	$ 14,450
Net income per share:
Basic	$ 0.09	$ 0.20	$ 0.11	$ 0.25
Diluted	$ 0.09	$ 0.20	$ 0.11	$ 0.24
Weighted-average shares outstanding:
Basic	65,401	64,265	65,209	64,143
Diluted	65,560	64,857	65,445	64,362
Recurring
Revenues:
Total revenues	$ 120,589	$ 116,317	$ 240,036	$ 236,324
Cost of revenue:
Total cost of revenue	50,328	47,172	100,868	95,325
Software, Hardware, and Other Non-recurring
Revenues:
Total revenues	13,667	14,004	26,081	27,197
Cost of revenue:
Total cost of revenue	$ 6,563	$ 7,022	$ 12,841	$ 14,176