Stock-based Compensation - Schedule of Annual Awards (Details) - $ / shares	12 Months Ended
	Mar. 31, 2026	Mar. 31, 2025	Mar. 31, 2024
RSUs
Number of Shares
Nonvested at the beginning of the period (in shares)	365,872	466,782	535,746
Granted (in shares)	327,175	165,988	235,788
Vested (in shares)	(200,370)	(235,872)	(264,888)
Forfeited (in shares)	(28,310)	(31,026)	(39,864)
Nonvested at the end of the period (in shares)	464,367	365,872	466,782
Weighted-Average Grant-Date Fair Value
Outstanding at the beginning of the period (in dollars per share)	$ 114.34	$ 75.31	$ 55.10
Granted (in dollars per share)	103.24	158.78	95.55
Vested (in dollars per share)	(96.02)	(70.69)	(52.19)
Forfeited (in dollars per share)	(116.51)	(96.52)	(77.07)
Outstanding at the end of the period (in dollars per share)	$ 114.29	$ 114.34	$ 75.31
LTIP PSUs
Number of Shares
Nonvested at the beginning of the period (in shares)	300,338	531,144	667,224
Granted (in shares)	274,860	148,770	277,692
Vested (in shares)	(157,992)	(327,868)	(301,368)
Forfeited (in shares)	(7,922)	(51,708)	(112,404)
Nonvested at the end of the period (in shares)	409,284	300,338	531,144
Weighted-Average Grant-Date Fair Value
Outstanding at the beginning of the period (in dollars per share)	$ 123.42	$ 69.29	$ 57.98
Granted (in dollars per share)	94.42	151.19	95.13
Vested (in dollars per share)	(98.81)	(55.07)	(61.39)
Forfeited (in dollars per share)	(102.91)	(80.76)	(87.15)
Outstanding at the end of the period (in dollars per share)	$ 113.84	$ 123.42	$ 69.29