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Fair Value Measurements - Schedule of Carrying Values and Estimated Fair Values of Debt Instruments (Details) - USD ($) $ in Thousands | Sep. 30, 2023 | Mar. 31, 2023
--- | --- | ---
3.88% Senior Notes due 2028 | Senior Notes |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Debt instrument (as a percent) | 3.88% |
4.00% Senior Notes due 2029 | Senior Notes |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Debt instrument (as a percent) | 4.00% |
5.95% Senior Notes due 2033 | Senior Notes |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Debt instrument (as a percent) | 5.95% |
Carrying Amount | Term Loan A | Term Loans |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Debt | $ 1,608,750 | $ 1,629,375
Carrying Amount | 3.88% Senior Notes due 2028 | Senior Notes |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Debt | 700,000 | 700,000
Carrying Amount | 4.00% Senior Notes due 2029 | Senior Notes |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Debt | 500,000 | 500,000
Carrying Amount | 5.95% Senior Notes due 2033 | Senior Notes |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Debt | 650,000 | 0
Estimated Fair Value | Term Loan A | Term Loans |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Debt | 1,588,641 | 1,600,861
Estimated Fair Value | 3.88% Senior Notes due 2028 | Senior Notes |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Debt | 626,976 | 638,540
Estimated Fair Value | 4.00% Senior Notes due 2029 | Senior Notes |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Debt | 442,195 | 451,930
Estimated Fair Value | 5.95% Senior Notes due 2033 | Senior Notes |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Debt | $ 631,781 | $ 0

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