CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2019	Jun. 30, 2018
Income Statement [Abstract]
Net revenue	$ 540,459	$ 387,982
Cost of goods sold	241,469	131,365
Gross profit	298,990	256,617
Selling and marketing	91,821	58,306
General and administrative	74,833	67,735
Research and development	68,963	50,712
Depreciation and amortization	11,257	9,260
Business reorganization	386	(242)
Total operating expenses	247,260	185,771
Income from operations	51,730	70,846
Interest and other, net	10,425	6,601
Income before income taxes	62,155	77,447
Provision for income taxes	15,875	5,754
Net income	$ 46,280	$ 71,693
Earnings per share:
Basic earnings per share (in dollars per share)	$ 0.41	$ 0.63
Diluted earnings per share (in dollars per share)	$ 0.41	$ 0.62