Fair Value of Financial Instruments - Carrying Amounts and Estimated Fair Values of Company Financial Instruments (Detail) - USD ($) $ in Thousands	Mar. 31, 2025	Mar. 31, 2024
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative Liability, Statement of Financial Position [Extensible Enumeration]	Other liabilities	Other liabilities
Carrying Amount
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative Asset	$ 0	$ 0
Senior Notes	600,000	600,000
Derivative Liability	(31,593)	(17,301)
Fair Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative Asset	0	0
Senior Notes	591,420	582,750
Derivative Liability	$ (31,593)	$ (17,301)