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Stock Repurchase Program - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Nov. 30, 2020 | Nov. 30, 2019 | Aug. 31, 2019 | Nov. 30, 2020 | Nov. 30, 2019 | May 31, 2021
Stock Repurchase Programs [Line Items] |  |  |  |  |  |
Authorization of stock repurchase program |  |  |  | Jan. 08, 2008 |  |
Shares repurchased | 0 | 0 |  | 0 | 1,655,616 |
Shares repurchased, value |  |  | $ 100,000 |  | $ 100,000 |
Repurchase of common stock price per shares |  |  |  |  | $ 60.40 |
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 Stock Repurchase Programs [Line Items] + References No definition available. + Details
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- Definition Amount remaining of a stock repurchase plan authorized. + References No definition available. + Details
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