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Reconciliation of Our Tax Contingencies (Detail) - USD ($) $ in Thousands | 12 Months Ended
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May 31, 2021 | May 31, 2020 | May 31, 2019
Income Tax Contingency [Line Items] |  |  |
Beginning balance | $ 880 | $ 611 | $ 598
Increase/(decrease) related to prior periods | (272) | 56 | (106)
Increase related to current period | 197 | 213 | 119
Ending balance | $ 805 | $ 880 | $ 611

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- Definition Unrecognized Tax Benefits Increase Decrease Resulting From Current Period Tax Positions. + References No definition available. + Details
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- Definition Unrecognized Tax Benefits Increase Decrease Resulting From Prior Period Tax Positions + References No definition available. + Details
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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. + References No definition available. + Details
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- Definition Amount of unrecognized tax benefits. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 45 -Paragraph 10B -URI http://asc.fasb.org/extlink&oid=120406818&loc=SL37586934-109318 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15A -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=84230637&loc=SL6600010-109319 + Details
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