The Company and a Summary of Its Significant Accounting Policies - Additional Information (Detail 3) - USD ($)	1 Months Ended	12 Months Ended
	Jun. 30, 2025	Mar. 31, 2026	Mar. 31, 2025	Mar. 31, 2024
Company And Summary Of Significant Accounting Policies [Line Items]
Cash dividends	$ 155,700,000
Company's share of dividend		$ 96,000,000
Reduction to noncontrolling interest		$ 59,695,000
Common stock, shares outstanding		136,557,695	130,210,407
Repurchase and immediate retirement of treasury shares pursuant to vesting of certain RSU agreements		$ 18,332,000	$ 5,510,000	$ 11,713,000
Treasury Stock, Common [Member]
Company And Summary Of Significant Accounting Policies [Line Items]
Common stock, shares outstanding		0	0
Purchase of treasury shares pursuant to vesting of certain RSU agreements		932,878	553,495	531,091
Repurchase and immediate retirement of treasury shares pursuant to vesting of certain RSU agreements		$ 18,300,000	$ 5,500,000	$ 11,700,000
Common Stock [Member]
Company And Summary Of Significant Accounting Policies [Line Items]
Common stock issued based on the vesting terms of certain restricted stock unit agreements		2,499,417	1,575,356	1,547,027
Indemnification Agreement [Member]
Company And Summary Of Significant Accounting Policies [Line Items]
Loss contingency accrual		$ 0	$ 0