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Stock Repurchase Program - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Thousands | 1 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Jan. 31, 2021 | May 31, 2025 | May 31, 2024 | May 31, 2023 | May 31, 2021
Stock Repurchase Programs [Line Items] |  |  |  |  |
Authorization of stock repurchase program |  | Jan. 08, 2008 |  |  |
Capital to be returned to stockholders through share repurchases |  |  |  |  | $ 1,000,000
Stock repurchase program, remaining authorized repurchase, value | $ 469,700 | $ 192,300 |  |  | $ 600,000
Stock repurchase program expiration date | May 31, 2021 |  |  |  |
Shares repurchased |  | 581,759 | 526,113 | 598,653 |
Shares repurchased, value |  | $ 70,000 | $ 55,002 | $ 50,000 |
Repurchase of common stock price per shares |  | $ 120.32 | $ 104.5 | $ 83.52 |

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- Definition Expiration date for purchase of share under share repurchase plan, in YYYY-MM-DD format. Includes, but is not limited to, repurchase of stock and unit of ownership. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 505 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481520/505-30-50-4 + Details
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