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Income Taxes - Additional Information (Detail) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Apr. 30, 2022 | Apr. 30, 2021 | Apr. 30, 2020 | Apr. 30, 2019
Schedule Of Income Taxes [Line Items] |  |  |  |
Deferred tax assets, valuation allowance increase (decrease) | $ (1,100) | $ 7,300 | $ 3,800 |
Undistributed earnings of foreign subsidiaries | 662,100 |  |  |
Unrecognized tax benefits liability | 10,682 | 9,954 | 6,037 | $ 7,794
Unrecognized tax benefits, reductions resulting from resolution | (2,900) |  |  |
Unrecognized tax benefits, interest on income taxes accrued | 1,400 | 900 | 600 |
Unrecognized tax benefits, income tax penalties accrued | 500 | 500 |  |
Recognized interest expense | 400 | $ 800 | $ 200 |
Internal Revenue Service (IRS) |  |  |  |
Schedule Of Income Taxes [Line Items] |  |  |  |
Net operating loss carryforward | $ 14,600 |  |  |
Net operating loss carryforward, beginning expiration | 2030 |  |  |
State and Local Jurisdiction |  |  |  |
Schedule Of Income Taxes [Line Items] |  |  |  |
Net operating loss carryforward | $ 34,200 |  |  |
Net operating loss carryforward, beginning expiration | 2023 |  |  |
Foreign Tax Authority |  |  |  |
Schedule Of Income Taxes [Line Items] |  |  |  |
Net operating loss carryforward | $ 112,500 |  |  |
Net operating loss carryforward, beginning expiration | 2023 |  |  |

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- Definition Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121826272&loc=d3e32559-109319 + Details
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