STOCK-BASED COMPENSATION AND STOCKHOLDERS' EQUITY - Stock Purchase Right and Restricted Stock Unit Activity (Details) - $ / shares shares in Thousands	12 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Mar. 31, 2021	Mar. 31, 2020
Restricted stock units and Performance stock units
Number of Shares
Beginning balance (in shares)	9,375	8,646	8,112
Granted (in shares)	13,297	8,333	6,256
Vested and released (in shares)	(5,275)	(5,146)	(4,579)
Forfeited (in shares)	(4,404)	(2,458)	(1,143)
Ending balance (in shares)	12,993	9,375	8,646	8,112
Weighted Average Grant Date Fair Value
Beginning balance (in dollars per share)	$ 20.41	$ 19.27	$ 19.43
Granted (in dollars per share)	5.71	21.37	18.73
Vested and released (in dollars per share)	19.18	19.82	18.90
Forfeited (in dollars per share)	12.46	20.85	18.96
Ending balance (in dollars per share)	$ 8.56	$ 20.41	$ 19.27	$ 19.43
Weighted Average Remaining Contractual Term (in Years)	1 year 10 months 2 days	2 years 1 month 9 days	1 year 10 months 6 days	1 year 11 months 15 days
Performance Stock Units
Number of Shares
Beginning balance (in shares)	1,026	1,576	1,079
Granted (in shares)	853	497	1,013
Granted for performance achievement (in shares)	24	20	43
Vested and released (in shares)	(128)	(250)	(350)
Forfeited (in shares)	(1,151)	(817)	(209)
Ending balance (in shares)	624	1,026	1,576	1,079
Weighted Average Grant Date Fair Value
Beginning balance (in dollars per share)	$ 35.36	$ 27.33	$ 22.05
Granted (in dollars per share)	7.31	30.41	29.00
Granted performance achievement (in dollars per share)	7.31	30.41	29.00
Vested and released (in dollars per share)	25.65	17.15	19.05
Forfeited (in dollars per share)	28.11	23.45	22.38
Ending balance (in dollars per share)	$ 11.30	$ 35.36	$ 27.33	$ 22.05
Weighted Average Remaining Contractual Term (in Years)	1 year 5 months 12 days	10 months 20 days	1 year 2 months 26 days	1 year 4 months 24 days