CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2021	Dec. 31, 2020
Income Statement [Abstract]
Net revenue	$ 903,252	$ 860,889	$ 2,574,796	$ 2,533,341
Cost of goods sold	350,379	346,244	1,136,776	1,255,438
Gross profit	552,873	514,645	1,438,020	1,277,903
Selling and marketing	135,286	139,906	375,159	338,376
General and administrative	130,706	98,624	362,484	292,230
Research and development	116,656	86,428	310,458	233,752
Depreciation and amortization	15,996	14,007	44,642	40,116
Business reorganization	123	(377)	546	(138)
Total operating expenses	398,767	338,588	1,093,289	904,336
Income from operations	154,106	176,057	344,731	373,567
Interest and other, net	(5,629)	1,098	(7,228)	12,022
Gain on long-term investments, net	3,662	39,291	6,054	38,636
Income before income taxes	152,139	216,446	343,557	424,225
Provision for income taxes	7,642	34,198	36,507	54,151
Net income	$ 144,497	$ 182,248	$ 307,050	$ 370,074
Earnings per share:
Basic earnings per share (in dollars per share)	$ 1.25	$ 1.58	$ 2.66	$ 3.23
Diluted earnings per share (in dollars per share)	$ 1.24	$ 1.57	$ 2.63	$ 3.20