Common Stock and Stock Plans (Tables)

12 Months Ended

Mar. 31, 2026

Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]

Summary of Stock-based Compensation Expense

Total stock-based compensation expense recognized in accordance with ASC 718 was as follows:

	Fiscal Years Ended
	March 31, 2026			March 31, 2025			March 31, 2024
	(In thousands)
Stock-based compensation expense before taxes	$	81,070		$	80,385		$	83,631
Related income tax benefits		(3,055	)		(2,181	)		(5,292	)
Stock-based compensation expense, net of taxes	$	78,015		$	78,204		$	78,339

Summary of PSU, Employee Stock Options and Employee Stock Purchase Plan Weighted Average Assumptions

The weighted average assumptions (annualized percentages) used in the Black-Scholes model and Monte Carlo simulation were as follows:

	Stock Options									PSOs					Employee Stock Purchase Plan
	Fiscal Year 2026			Fiscal Year 2025			Fiscal Year 2024			Fiscal Year 2026	Fiscal Year 2025	Fiscal Year 2024			Fiscal Year 2026			Fiscal Year 2025			Fiscal Year 2024
Volatility		68.3	%		64.5	%		54.2	%	—	—		56.4	%		81.3	%		97.3	%		66.6	%
Risk-free interest rate		4.0	%		3.5	%		4.2	%	—	—		4.4	%		4.0	%		4.6	%		5.3	%
Dividend yield		0.0	%		0.0	%		0.0	%	—	—		0.0	%		0.0	%		0.0	%		0.0	%
Expected life	5.0 years			5.0 years			5.0 years			—	—	4.6 years			0.5 years			0.5 years			0.5 years

Summary of Stock Option Activity and TSR Performance Stock Option Activity

A summary of stock option activity for fiscal year 2026 is presented below:

	Number of Shares			Weighted Average Exercise Price per Share		Weighted Average Remaining Contractual Term in Years		Aggregate Intrinsic Value (In thousands)
Outstanding at March 31, 2025		188,718		$	42.02
Granted		18,000			9.69
Expired		(73,773	)		48.98
Exercised		(8,384	)		27.14
Outstanding at March 31, 2026		124,561		$	34.22		2.6	$	1,952
Vested and exercisable at March 31, 2026		106,561		$	38.37		2.1	$	1,302

A summary of PSO activity for fiscal year 2026 is presented below:

	Number of Shares (1)			Weighted Average Exercise Price per Share		Weighted Average Remaining Contractual Term in Years		Aggregate Intrinsic Value (In thousands)
Outstanding at March 31, 2025		2,563,005		$	30.50
Granted	—			—
Performance adjustment		(512,507	)		53.43
Forfeited		(378,300	)		21.27
Exercised		(134,872	)		15.96
Outstanding at March 31, 2026		1,537,326		$	26.40		2.8	$	30,244
Vested and exercisable at March 31, 2026		355,038		$	21.69		1.6	$	8,975

(1)Number of PSOs granted is presented based on the target number of PSOs granted. Outstanding shares are adjusted when the final market condition has been achieved.

Summary of Restricted Stock Unit Activity

A summary of RSU activity for fiscal year 2026 is presented below:

	Number of Shares			Weighted Average Grant Date Fair Value per Share
Outstanding at March 31, 2025		5,758,553		$	24.05
Awarded		5,378,977			27.49
Forfeited		(631,443	)		22.15
Vested		(2,314,111	)		26.60
Outstanding at March 31, 2026		8,191,976		$	25.73
Vested and deferred at March 31, 2026		219,687		$	50.13

Summary of PSU Activity

A summary of PSU activity for fiscal year 2026 is presented below:

	Number of Shares (1)			Weighted Average Grant Date Fair Value per Share
Outstanding at March 31, 2025		609,738		$	18.13
Awarded		308,460			33.04
Performance adjustment		156,620			16.09
Forfeited		(215,171	)		18.45
Vested		(185,306	)		16.09
Outstanding at March 31, 2026		674,341		$	24.94

(1)Number of shares awarded is presented based on the target number of PSUs granted. Outstanding shares are adjusted when the final performance and/or market condition has been achieved.

Market Condition Performance Stock Units [Member]

Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]

Summary of PSU, Employee Stock Options and Employee Stock Purchase Plan Weighted Average Assumptions

The weighted average assumptions (annualized percentages) used in the Monte Carlo simulation for market condition PSUs were as follows:

	PSUs
	Fiscal Year 2026			Fiscal Year 2025
Volatility		82.7	%		64.7	%
Risk-free interest rate		3.7	%		4.3	%
Dividend yield		0.0	%		0.0	%