Share-Based Compensation (Tables)

12 Months Ended

Mar. 31, 2024

Share-Based Payment Arrangement [Abstract]

Schedule of Share-based Compensation Expense

The following table presents the details of the Company's share-based compensation expense (in millions):

	Fiscal Year Ended March 31,
	2024		2023		2022
Cost of sales (1)	$	25.6	$	27.2	$	34.3
Research and development	94.3		83.1		97.9
Selling, general and administrative	57.6		60.1		78.0
Pre-tax effect of share-based compensation	177.5		170.4		210.2
Income tax benefit	37.5		36.4		44.6
Net income effect of share-based compensation	$	140.0	$	134.0	$	165.6

(1) During the fiscal year ended March 31, 2024, $19.0 million of share-based compensation expense was capitalized to inventory and $25.6 million of previously capitalized share-based compensation expense in inventory was sold. During the fiscal year ended March 31, 2023, $19.7 million of share-based compensation expense was capitalized to inventory and $27.2 million of previously capitalized share-based compensation expense in inventory was sold. During the fiscal year ended March 31, 2022, $21.2 million of share-based compensation expense was capitalized to inventory and $34.3 million of previously capitalized share-based compensation expense in inventory was sold.

Schedule of Share-based Compensation, Restricted Stock Units Award Activity

RSUs share activity is set forth below:

	Number of Shares	Weighted Average Grant Date Fair Value
Nonvested shares at March 31, 2021	11,710,924	$	44.51
Granted	2,850,803	$	74.00
Forfeited	(917,303)	$	50.76
Vested	(3,795,469)	$	43.77
Nonvested shares at March 31, 2022	9,848,955	$	52.74
Granted	3,054,320	$	61.76
Forfeited	(815,738)	$	55.14
Vested	(3,423,935)	$	45.08
Nonvested shares at March 31, 2023	8,663,602	$	58.72
Granted	2,535,772	$	77.28
Forfeited	(474,397)	$	64.37
Vested	(2,510,781)	$	48.56
Nonvested shares at March 31, 2024	8,214,196	$	67.22

Schedule of Share-based Compensation, Performance Stock Units Award Activity

PSUs share activity is set forth below:

	Number of Shares	Weighted Average Grant Date Fair Value
Nonvested shares at March 31, 2021	172,894	$	62.85
Granted	145,188	$	81.51
Forfeited	(61,022)	$	57.08
Vested	—	$	—
Nonvested shares at March 31, 2022	257,060	$	74.76
Granted	172,334	$	60.88
Forfeited	(48,524)	$	66.71
Vested	—	$	—
Nonvested shares at March 31, 2023	380,870	$	69.51
Granted	123,747	$	77.61
Forfeited	(2,883)	$	100.20
Vested	—	$	—
Nonvested shares at March 31, 2024	501,734	$	71.33