Stock-Based Compensation - Schedule Of Restricted Stock Rights Activity, Excluding Performance-Based Activity (Details) - Restricted Stock Units (RSUs) shares in Thousands	6 Months Ended
	Sep. 30, 2024 $ / shares shares
Restricted Stock Units (in thousands)
Outstanding balance (in shares) | shares	7,480
Granted (in shares) | shares	4,173
Vested (in shares) | shares	(2,585)
Forfeited or cancelled (in shares) | shares	(250)
Outstanding balance (in shares) | shares	8,818
Weighted- Average Grant Date Fair Values
Weighted-average grant date fair value, beginning balance (in dollars per share) | $ / shares	$ 128.31
Weighted-average grant date fair value, vested during period (in dollars per share) | $ / shares	137.78
Weighted-average grant date fair value, vested during period (in dollars per share) | $ / shares	129.89
Weighted-average grant date fair value, forfeited or cancelled during period (in dollars per share) | $ / shares	130.26
Weighted-average grant date fair value, ending balance (in dollars per share) | $ / shares	$ 132.28