Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Mar. 31, 2020
Revenue:
Total revenue	$ 855,575	$ 831,282	$ 891,820
Cost of revenue:
Total cost of revenue	214,186	222,097	242,192
Gross profit	641,389	609,185	649,628
Operating expenses:
Research and development	171,131	179,163	188,294
Sales and marketing	264,191	242,730	276,523
General and administrative	97,692	88,969	99,994
Amortization of acquired intangible assets	59,741	61,131	64,505
Restructuring charges	0	62	2,674
Total operating expenses	592,755	572,055	631,990
Income from operations	48,634	37,130	17,638
Interest and other expense, net:
Interest income	297	646	4,528
Interest expense	(8,048)	(10,879)	(20,597)
Other income (expense), net	2,009	(4,593)	355
Total interest and other expense, net	(5,742)	(14,826)	(15,714)
Income before income tax expense	42,892	22,304	1,924
Income tax expense	7,018	2,952	4,678
Net income (loss)	$ 35,874	$ 19,352	$ (2,754)
Basic net income (loss) per share (in dollars per share)	$ 0.48	$ 0.26	$ (0.04)
Diluted net income (loss) per share (in dollars per share)	$ 0.48	$ 0.26	$ (0.04)
Weighted average common shares outstanding used in computing:
Net income (loss) per share-basic (in shares)	74,019	73,103	75,162
Net income (loss) per share-diluted (in shares)	75,084	73,822	75,162
Product
Revenue:
Total revenue	$ 410,121	$ 377,721	$ 438,341
Cost of revenue:
Total cost of revenue	90,730	95,965	122,832
Service
Revenue:
Total revenue	445,454	453,561	453,479
Cost of revenue:
Total cost of revenue	$ 123,456	$ 126,132	$ 119,360