Senior Notes and Other Long-Term Debt - 2023 Term Loan Facility (Detail) - 2023 Term Loan Facility [Member] - USD ($) $ in Millions	12 Months Ended
	Mar. 31, 2024	May 30, 2023
Debt Instrument [Line Items]
Credit Facility maximum borrowing capacity		$ 616.7
Maturity date	May 30, 2030
Outstanding borrowings under the Credit Facility	$ 613.6
Credit Facility interest rate description	Borrowings under the 2023 Term Loan Facility are required to be repaid in quarterly installments of $1.5 million each, which commenced on December 31, 2023, followed by a final installment of $576.6 million at maturity. Borrowings under the 2023 Term Loan Facility bear interest, at the Company's option, at either (1) a base rate equal to the greater of the administrative agent’s prime rate as announced from time to time, the federal funds effective rate plus 0.50%, and the forward-looking term SOFR rate administered by CME for a one-month interest period plus 1.00%, subject to a floor of 1.50% for the initial term loans, plus an applicable margin of 3.50%, or (2) the forward-looking term SOFR rate administered by CME for the applicable interest period, subject to a floor of 0.50% for the initial term loans, plus an applicable margin of 4.50%, plus a credit spread adjustment ranging from 0.11% to 0.43%. As of March 31, 2024, the effective interest rate on the Company’s outstanding borrowings under the 2023 Term Loan Facility was 10.91%.
Term loan facility quarterly installments required to be repaid	$ 1.5
Line of credit facility, date of first required payment	Dec. 31, 2023
Final installment, principal	$ 576.6
Effective interest rate	10.91%
Credit facility description	The 2023 Term Loan Facility contains covenants that restrict, among other things, the ability of Company and its restricted subsidiaries to incur additional debt, grant liens, sell assets, make investments, pay dividends and make certain other restricted payments.
Debt instrument unamortized discount percentage	2.50%
Original issue discount	$ 15.4