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Equity - Additional Information (Detail) - USD ($) $ in Thousands | 12 Months Ended |  |
--- | --- | --- | ---
May 31, 2023 | May 31, 2022 | May 31, 2021 | Mar. 24, 2021 | Mar. 20, 2019
Equity [Abstract] |  |  |  |  |
Common Stock shares authorized for repurchase |  |  |  | 5,618,000 | 6,600,000
Common Stock remaining shares authorized for repurchase | 6,065,000 |  |  |  |
Repurchase of common shares |  | $ 180,248 | $ 192,054 |  |
Repurchases and retirement of common shares (in shares) | 0 | 3,235,000 | 4,018,000 |  |
Deferred compensation obligation credited to common share option | $ 725 | $ 592 | $ 556 |  |

X
- Definition Aggregate carrying value as of the balance sheet date of the liabilities for all deferred compensation arrangements payable within one year (or the operating cycle, if longer). Represents currently earned compensation under compensation arrangements that is not actually paid until a later date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 710 -SubTopic 10 -Section 25 -Paragraph 9 -URI https://asc.fasb.org/extlink&oid=6409733&loc=d3e19512-108361 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 710 -SubTopic 10 -Section 30 -Paragraph 2 -URI https://asc.fasb.org/extlink&oid=6409875&loc=d3e20028-108363 + Details
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- Definition The cash outflow to reacquire common stock during the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3291-108585 + Details
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- Definition The remaining number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan. + References No definition available. + Details
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