Stock Incentive Plans - Schedule of RSUs (Details) - RSUs - $ / shares	12 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Mar. 31, 2022
Number of Shares
Equity instruments other than options nonvested - beginning balance (in shares)	7,449,379	7,477,126	8,326,220
Equity instruments other than options nonvested - granted (in shares)	6,033,909	3,404,395	2,972,253
Equity instruments other than options nonvested - released/issued (in shares)	(4,066,367)	(2,252,627)	(2,141,180)
Equity instruments other than options nonvested - canceled/forfeited (in shares)	(1,105,628)	(1,179,515)	(1,680,167)
Equity instruments other than options nonvested - ending balance (in shares)	8,311,293	7,449,379	7,477,126
Weighted Average Grant Date Fair Value
Weighted average fair value other than options - beginning balance (in dollars per share)	$ 37.11	$ 35.89	$ 28.98
Weighted average fair value other than options - granted (in dollars per share)	24.73	38.08	50.87
Weighted average fair value other than options - released/issued (in dollars per share)	23.71	33.10	34.12
Weighted average fair value other than options - canceled/forfeited (in dollars per share)	40.20	36.34	34.93
Weighted average fair value other than options - ending balance (in dollars per share)	$ 33.97	$ 37.11	$ 35.89
Nonemployee director incentives
Number of Shares
Equity instruments other than options nonvested - beginning balance (in shares)	147,487	156,722	184,660
Equity instruments other than options nonvested - granted (in shares)	135,457	66,100	74,300
Equity instruments other than options nonvested - released/issued (in shares)	(69,189)	(75,335)	(102,238)
Equity instruments other than options nonvested - canceled/forfeited (in shares)	0	0	0
Equity instruments other than options nonvested - ending balance (in shares)	213,755	147,487	156,722
Weighted Average Grant Date Fair Value
Weighted average fair value other than options - beginning balance (in dollars per share)	$ 35.80	$ 36.18	$ 28.42
Weighted average fair value other than options - granted (in dollars per share)	19.52	31.29	35.18
Weighted average fair value other than options - released/issued (in dollars per share)	31.68	32.62	21.43
Weighted average fair value other than options - canceled/forfeited (in dollars per share)	0	0	0
Weighted average fair value other than options - ending balance (in dollars per share)	$ 26.82	$ 35.80	$ 36.18