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Business Combinations - Summary of Final Purchase Price Allocation Based upon Fair Value of Assets Acquired And Liabilities Assumed (Detail) - USD ($) $ in Thousands | May 31, 2025 | Feb. 28, 2025 | May 31, 2024 | May 31, 2023 | Feb. 28, 2023
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Business Combination Recognized Identifiable Assets Acquired Goodwill And Liabilities Assumed Net [Line Items] |  |  |  |  |
Other non-current liabilities |  | $ (930) |  |  | $ (930)
Goodwill (note 6) | $ 1,064,902 |  | $ 2,135,632 | $ 2,137,496 |

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