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Stock Repurchase Program - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Thousands | 12 Months Ended |
--- | --- | ---
May 31, 2020 | May 31, 2019 | May 31, 2018 | May 31, 2021
Stock Repurchase Programs [Line Items] |  |  |  |
Authorization of stock repurchase program |  | Jan. 08, 2008 |  |
Shares repurchased | 2,041,847 | 3,286,907 | 0 |
Shares repurchased, value | $ 125,000 | $ 200,222 |  |
Repurchase of common stock price per shares | $ 61.22 | $ 60.92 |  |
Scenario Forecast |  |  |  |
Stock Repurchase Programs [Line Items] |  |  |  |
Capital to be returned to stockholders through share repurchases |  |  |  | $ 1,000,000
Stock repurchase program, remaining authorized repurchase, value |  |  |  | $ 600,000

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- Definition Amount remaining of a stock repurchase plan authorized. + References No definition available. + Details
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