CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Mar. 31, 2020
Income Statement [Abstract]
Revenues	$ 528,657	$ 443,026	$ 380,572
Cost of revenue	147,427	144,004	152,704
Gross profit	381,230	299,022	227,868
Operating expenses:
Research and development	157,935	135,111	105,981
Sales and marketing	182,763	177,543	188,905
General and administrative	104,591	104,201	108,903
Gains, losses and other items, net	1,479	2,715	5,001
Total operating expenses	446,768	419,570	408,790
Loss from operations	(65,538)	(120,548)	(180,922)
Total other income (expense), net	30,463	(252)	15,385
Loss before income taxes	(35,075)	(120,800)	(165,537)
Income tax benefit	(1,242)	(30,532)	(40,276)
Net loss from continuing operations	(33,833)	(90,268)	(125,261)
Earnings from discontinued operations, net of tax	0	0	750
Net loss	$ (33,833)	$ (90,268)	$ (124,511)
Basic earnings (loss) per share
Continuing operations (in dollars per share)	$ (0.50)	$ (1.36)	$ (1.85)
Discontinued operations (in dollars per share)	0	0	0.01
Basic earnings (loss) per share (in USD per share)	(0.50)	(1.36)	(1.84)
Diluted earnings (loss) per share
Continuing operations (in dollars per share)	(0.50)	(1.36)	(1.85)
Discontinued operations (in dollars per share)	0	0	0.01
Diluted earnings (loss) per share (in USD per share)	$ (0.50)	$ (1.36)	$ (1.84)