STOCKHOLDERS' EQUITY - Summary of RSU and PSU Activity (Details)	1 Months Ended			12 Months Ended
	Sep. 30, 2025 shares	Mar. 31, 2025 shares	Mar. 31, 2024 shares	Dec. 31, 2025 $ / shares shares
Restricted Stock Units (RSUs)
Number of Shares
Unvested, beginning of period (in shares) | shares				7,071,443
Granted (in shares) | shares				3,991,531
Vested (in shares) | shares				(3,457,078)
Canceled/forfeited (in shares) | shares				(1,174,428)
Unvested, end of period (in shares) | shares				6,431,468
Weighted-Average Grant Date Fair Value
Unvested, beginning of period (in dollars per share) | $ / shares				$ 65.85
Granted (in dollars per share) | $ / shares				68.97
Vested (in dollars per share) | $ / shares				64.79
Canceled/forfeited (in dollars per share) | $ / shares				66.84
Unvested, end of period (in dollars per share) | $ / shares				$ 68.18
Performance Shares
Number of Shares
Unvested, beginning of period (in shares) | shares				155,791
Granted (in shares) | shares	409,283	93,438	46,986	586,259
Vested (in shares) | shares				(50,591)
Canceled/forfeited (in shares) | shares				(86,406)
Unvested, end of period (in shares) | shares				605,053
Weighted-Average Grant Date Fair Value
Unvested, beginning of period (in dollars per share) | $ / shares				$ 67.63
Granted (in dollars per share) | $ / shares				103.62
Vested (in dollars per share) | $ / shares				66.08
Canceled/forfeited (in dollars per share) | $ / shares				64.68
Unvested, end of period (in dollars per share) | $ / shares				$ 103.05
Award payout range, percentage				1