Long-Term Debt - Schedule of Long-term Debt (Details) - USD ($) $ in Thousands	9 Months Ended
Dec. 31, 2024	Mar. 31, 2024
Debt Instrument [Line Items]
Total long-term debt (including current portion)	$ 1,000,000
Long-term debt, net	1,000,000	$ 1,135,000
Less: unamortized debt costs	(8,031)	(9,196)
Long-term debt, net	$ 991,969	1,125,804
Senior Notes \| 2021 Senior Notes
Debt Instrument [Line Items]
Debt instrument, stated interest rate	3.75%
Total long-term debt (including current portion)	$ 600,000	600,000
Senior Notes \| 2019 Senior Notes
Debt Instrument [Line Items]
Debt instrument, stated interest rate	5.125%
Total long-term debt (including current portion)	$ 400,000	400,000
Term Loans \| 2012 Term B-5 Loans
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate	2.00%
Term Loans \| 2012 Term B-5 Loans
Debt Instrument [Line Items]
Total long-term debt (including current portion)	$ 0	$ 135,000

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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

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Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation.

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