Consolidated Statements of Net Income and Comprehensive Income - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Mar. 31, 2019
Revenues:
Total revenues	$ 556,821	$ 540,239	$ 529,173
Cost of revenue:
Amortization of capitalized software costs and acquired intangible assets	36,768	35,478	28,490
Total cost of revenue	275,424	267,439	246,697
Gross profit	281,397	272,800	282,476
Operating expenses:
Selling, general and administrative	180,529	165,174	164,879
Research and development costs, net	75,501	83,295	80,994
Amortization of acquired intangible assets	4,449	4,143	4,344
Impairment of assets	5,539	12,571
Restructuring costs	2,562	2,505	640
Total operating expenses	268,580	267,688	250,857
Income from operations	12,817	5,112	31,619
Interest income	38	256	216
Interest expense	(3,516)	(1,955)	(2,814)
Other income (expense), net	(64)	846	267
Income before provision for (benefit of) income taxes	9,275	4,259	29,288
Provision for (benefit of) income taxes	(240)	(3,239)	4,794
Net income	9,515	7,498	24,494
Other comprehensive income:
Foreign currency translation, net of tax	219	(912)	(831)
Comprehensive income	$ 9,734	$ 6,586	$ 23,663
Net income per share:
Basic	$ 0.14	$ 0.11	$ 0.38
Diluted	$ 0.14	$ 0.11	$ 0.38
Weighted-average shares outstanding:
Basic	66,739	65,474	64,417
Diluted	66,885	65,612	64,600
Recurring
Revenues:
Total revenues	$ 502,819	$ 489,313	$ 473,921
Cost of revenue:
Cost of revenue excluding amortization of capitalized software costs and acquired intangible assets	212,199	205,057	191,496
Software, Hardware, and Other Non-recurring
Revenues:
Total revenues	54,002	50,926	55,252
Cost of revenue:
Cost of revenue excluding amortization of capitalized software costs and acquired intangible assets	$ 26,457	$ 26,904	$ 26,711