Stock-Based Compensation (Tables)

12 Months Ended

Mar. 31, 2026

Stock-Based Compensation

Stock Option Activity

A summary of stock option activity for fiscal 2026 was as follows:

				Weighted-average
		Weighted-average		remaining contractual	Aggregate
	Shares	exercise price		term (years)	intrinsic value
Outstanding, beginning of year	0.5	$	12.94
Exercised	(0.3)		12.56
Forfeited or expired	—		12.49
Outstanding, end of year	0.2	$	13.43	5.0	$	44.1
Exercisable, March 31, 2026	0.2	$	13.43	5.0	$	44.1

Information Related to Stock Options Exercised

Additional information related to stock options exercised is as follows:

	Years ended March 31,
	2026		2025		2024
Intrinsic value of stock options exercised	$	37.4	$	8.1	$	12.4
Proceeds from stock options exercised		3.5		1.0		2.6

Restricted Stock Activity

A summary of restricted stock activity for fiscal 2026 was as follows:

		Weighted-average
	Shares	price
Non-vested balance, beginning of year	0.3	$	42.90
Granted	0.1		136.97
Vested	(0.2)		35.75
Forfeited	(0.1)		60.88
Non-vested balance, end of year	0.1	$	107.65