Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Revenue:
Total revenue	$ 211,918	$ 205,339	$ 402,190	$ 389,154
Cost of revenue:
Total cost of revenue	51,644	58,900	106,054	111,880
Gross profit	160,274	146,439	296,136	277,274
Operating expenses:
Research and development	44,483	46,455	87,303	91,836
Sales and marketing	65,185	60,300	131,143	119,734
General and administrative	23,471	20,573	46,216	45,726
Amortization of acquired intangible assets	14,970	15,363	29,976	30,624
Restructuring charges	0	(31)	0	62
Total operating expenses	148,109	142,660	294,638	287,982
Income (loss) from operations	12,165	3,779	1,498	(10,708)
Interest and other expense, net:
Interest income	45	171	109	437
Interest expense	(2,411)	(2,715)	(4,566)	(5,789)
Other income (expense), net	30	(850)	(299)	(2,822)
Total interest and other expense, net	(2,336)	(3,394)	(4,756)	(8,174)
Income (loss) before income tax expense	9,829	385	(3,258)	(18,882)
Income tax expense	1,933	4,071	187	2,224
Net income (loss)	$ 7,896	$ (3,686)	$ (3,445)	$ (21,106)
Basic net income (loss) per share (in dollars per share)	$ 0.11	$ (0.05)	$ (0.05)	$ (0.29)
Diluted net income (loss) per share (in dollars per share)	$ 0.11	$ (0.05)	$ (0.05)	$ (0.29)
Weighted average common shares outstanding used in computing:
Net income (loss) per share - basic (in shares)	74,382	73,058	74,122	72,682
Net income (loss) per share - diluted (in shares)	75,093	73,058	74,122	72,682
Product
Revenue:
Total revenue	$ 101,619	$ 91,979	$ 183,569	$ 163,672
Cost of revenue:
Total cost of revenue	20,340	26,977	43,505	48,129
Service
Revenue:
Total revenue	110,299	113,360	218,621	225,482
Cost of revenue:
Total cost of revenue	$ 31,304	$ 31,923	$ 62,549	$ 63,751