Senior Notes and Other Long-Term Debt - Aggregate Payments on Long-Term Debt Obligations (Detail) - USD ($) $ in Thousands	Mar. 31, 2026	Mar. 31, 2025
Maturities of Long-term Debt [Abstract]
Fiscal year ending 2027	$ 57,753
Fiscal year ending 2028	655,322
Fiscal year ending 2029	1,108,693
Fiscal year ending 2030	3,246,671
Fiscal year ending 2031	1,341,337
Thereafter	175,339
Total debt	6,585,115	$ 7,204,275
Unamortized discount, debt issuance costs and fair value adjustments made in purchase accounting	(136,510)	$ (168,166)
Total	$ 6,448,605

Amount of unamortized debt discount (premium) and debt issuance costs.

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