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Income Taxes - Additional Information (Detail) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
May 31, 2023 | May 31, 2022 | May 31, 2021
Income Taxes [Line Items] |  |  |
Foreign tax credits | $ 5,324 | $ 1,747 | $ 2,753
Research and development credit | 1,385 | 780 | 545
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued | 145 | 69 | $ 65
Unrecognized Tax Benefits that Would Impact Effective Tax Rate | 1,087 | $ 808 |
Undistributed earnings in foreign subsidiaries | 153,000 |  |
Undistributed earnings in foreign subsidiaries not permanently reinvested | 41,000 |  |
Deferred tax on undistributed foreign earnings | $ 112,000 |  |

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- Definition Amount of deferred tax liability attributable to taxable temporary differences from undistributed earnings of subsidiary and other recognized entity not within country of domicile. Includes, but is not limited to, other basis differences. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 6 -URI https://asc.fasb.org/extlink&oid=121826272&loc=d3e32621-109319 + Details
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- Definition Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to foreign tax credit. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI https://asc.fasb.org/extlink&oid=121826272&loc=d3e32687-109319 + Details
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