Stock Incentive Plans - Schedule of RSUs (Details) - RSUs - $ / shares	12 Months Ended
Mar. 31, 2025	Mar. 31, 2024	Mar. 31, 2023
Number of Shares
Equity instruments other than options nonvested - beginning balance (in shares)	8,311,293	7,449,379	7,477,126
Equity instruments other than options nonvested - granted (in shares)	7,213,047	6,033,909	3,404,395
Equity instruments other than options nonvested - released/issued (in shares)	(3,310,300)	(4,066,367)	(2,252,627)
Equity instruments other than options nonvested - canceled/forfeited (in shares)	(3,140,299)	(1,105,628)	(1,179,515)
Equity instruments other than options nonvested - ending balance (in shares)	9,073,741	8,311,293	7,449,379
Weighted Average Grant Date Fair Value
Weighted average fair value other than options - beginning balance (in dollars per share)	$ 33.97	$ 37.11	$ 35.89
Weighted average fair value other than options - granted (in dollars per share)	21.66	24.73	38.08
Weighted average fair value other than options - released/issued (in dollars per share)	47.45	23.71	33.10
Weighted average fair value other than options - canceled/forfeited (in dollars per share)	25.30	40.20	36.34
Weighted average fair value other than options - ending balance (in dollars per share)	$ 22.23	$ 33.97	$ 37.11
Nonemployee director incentives
Number of Shares
Equity instruments other than options nonvested - beginning balance (in shares)	213,755	147,487	156,722
Equity instruments other than options nonvested - granted (in shares)	131,238	135,457	66,100
Equity instruments other than options nonvested - released/issued (in shares)	(143,976)	(69,189)	(75,335)
Equity instruments other than options nonvested - canceled/forfeited (in shares)	0	0	0
Equity instruments other than options nonvested - ending balance (in shares)	201,017	213,755	147,487
Weighted Average Grant Date Fair Value
Weighted average fair value other than options - beginning balance (in dollars per share)	$ 26.82	$ 35.80	$ 36.18
Weighted average fair value other than options - granted (in dollars per share)	19.42	19.52	31.29
Weighted average fair value other than options - released/issued (in dollars per share)	20.34	31.68	32.62
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)	$ 26.63	$ 26.82	$ 35.80

The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.

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Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event.

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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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- Definition

The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(i)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(ii)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options.

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- Definition

The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

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- Definition

The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement.

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