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Organization and Summary of Significant Accounting Policies - Compensation and Benefits Expense (Details) - USD ($) $ in Millions | 12 Months Ended
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Apr. 30, 2024 | Apr. 30, 2023 | Apr. 30, 2022
Organization And Summary Of Significant Accounting Policies [Line Items] |  |  |
Performance-related bonus expenses | $ 390.0 | $ 409.4 | $ 447.6
Minimum |  |  |
Organization And Summary Of Significant Accounting Policies [Line Items] |  |  |
Amortization of long-term retention awards | 4 years |  |
Maximum |  |  |
Organization And Summary Of Significant Accounting Policies [Line Items] |  |  |
Amortization of long-term retention awards | 5 years |  |

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- Definition The period the long term retention award is expensed over. + References No definition available. + Details
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- Definition Organization And Summary Of Significant Accounting Policies [Line Items] + References No definition available. + Details
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- Details
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- Details
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