Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2021	Dec. 31, 2020
Revenue:
Total revenue	$ 262,194	$ 228,739	$ 664,384	$ 617,893
Cost of revenue:
Total cost of revenue	60,470	55,275	166,524	167,155
Gross profit	201,724	173,464	497,860	450,738
Operating expenses:
Research and development	41,637	43,769	128,940	135,605
Sales and marketing	66,048	60,934	197,191	180,668
General and administrative	23,665	21,718	69,881	67,444
Amortization of acquired intangible assets	14,919	15,273	44,895	45,897
Restructuring charges	0	0	0	62
Total operating expenses	146,269	141,694	440,907	429,676
Income from operations	55,455	31,770	56,953	21,062
Interest and other income (expense), net:
Interest income	45	73	154	510
Interest expense	(1,748)	(2,708)	(6,314)	(8,497)
Other income (expense), net	1,880	(948)	1,581	(3,770)
Total interest and other income (expense), net	177	(3,583)	(4,579)	(11,757)
Income before income tax expense (benefit)	55,632	28,187	52,374	9,305
Income tax expense (benefit)	7,907	(834)	8,094	1,390
Net income	$ 47,725	$ 29,021	$ 44,280	$ 7,915
Basic net income per share (in dollars per share)	$ 0.65	$ 0.39	$ 0.60	$ 0.11
Diluted net income per share (in dollars per share)	$ 0.64	$ 0.39	$ 0.59	$ 0.11
Weighted average common shares outstanding used in computing:
Net income per share - basic (in shares)	73,898	73,492	74,048	72,953
Net income per share - diluted (in shares)	74,899	73,878	74,976	73,618
Product
Revenue:
Total revenue	$ 144,420	$ 114,965	$ 327,989	$ 278,637
Cost of revenue:
Total cost of revenue	30,338	24,263	73,843	72,392
Service
Revenue:
Total revenue	117,774	113,774	336,395	339,256
Cost of revenue:
Total cost of revenue	$ 30,132	$ 31,012	$ 92,681	$ 94,763