CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2018	Dec. 31, 2017
Income Statement [Abstract]
Revenues	$ 80,021	$ 59,121	$ 207,304	$ 159,891
Cost of revenue	34,838	24,526	82,958	72,596
Gross profit	45,183	34,595	124,346	87,295
Operating expenses:
Research and development	20,469	14,311	54,379	44,750
Sales and marketing	40,054	27,832	109,317	77,904
General and administrative	27,828	20,929	71,128	68,240
Gains, losses and other items, net	5,043		5,534	2,042
Gains, losses, and other items, net		(788)
Total operating expenses	93,394	62,284	240,358	192,936
Loss from operations	(48,211)	(27,689)	(116,012)	(105,641)
Other income (expense):
Total other income	10,404	432	10,479	115
Loss from continuing operations before income taxes	(37,807)	(27,257)	(105,533)	(105,526)
Income taxes (benefit)	(22,546)	(29,791)	(21,274)	(54,980)
Net loss from continuing operations	(15,261)	2,534	(84,259)	(50,546)
Earnings (loss) from discontinued operations, net of tax	1,071,661	20,407	1,158,267	68,851
Net earnings	$ 1,056,400	$ 22,941	$ 1,074,008	$ 18,305
Basic loss per share:
Basic earnings (loss) per share from continuing operations (in dollars per share)	$ (0.20)	$ 0.03	$ (1.09)	$ (0.64)
Basic earnings (loss) per share from discontinued operations (in dollars per share)	13.85	0.26	14.99	0.87
Basic earnings (loss) per share (in USD per share)	13.65	0.29	13.90	0.23
Diluted earnings (loss) per share:
Diluted earnings (loss) per share from continuing operations (in dollars per share)	(0.20)	0.03	(1.09)	(0.64)
Diluted earnings (loss) per share from discontinued operations (in dollars per share)	13.85	0.25	14.99	0.87
Diluted earnings (loss), net per share (in USD per share)	$ 13.65	$ 0.28	$ 13.90	$ 0.23