Long-Term Debt - Schedule of Long-term Debt, at Amortized Cost (Detail) - USD ($) $ in Thousands |
Jul. 31, 2021 |
Apr. 30, 2021 |
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| Debt Instrument [Line Items] | ||
| Long-term borrowings, net of unamortized discount and debt issuance costs | $ 394,962 | $ 394,794 |
| 4.625% Senior Unsecured Notes due 2027 | ||
| Debt Instrument [Line Items] | ||
| Less: Unamortized discount and issuance costs | (5,038) | (5,206) |
| Long-term borrowings, net of unamortized discount and debt issuance costs | 394,962 | 394,794 |
| 4.625% Senior Unsecured Notes due 2027 | Senior Unsecured Notes | ||
| Debt Instrument [Line Items] | ||
| Long-term debt | $ 400,000 | $ 400,000 |
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- Definition 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. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition Amount of unamortized debt discount (premium) and debt issuance costs. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount after unamortized (discount) premium and debt issuance costs of long-term debt classified as noncurrent and excluding amounts to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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