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Short-term Investment and Investments Under Fair Value - Schedule of Short Term Investment and Investments Under Fair Value Measured on Recurring Basis (Details) ¥ in Thousands, $ in Thousands | Feb. 28, 2025 CNY (¥) | Feb. 28, 2025 USD ($) | Feb. 29, 2024 CNY (¥)
--- | --- | --- | ---
Fair Value, Separate Account Investment [Line Items] |  |  |
Short-term investment | ¥ 13,905 | $ 1,909 | ¥ 18,929
Short-term investments under fair value | 37,953 | 5,211 | 82,791
Long-term investments under fair value, current | 3,584 | 492 | 14,122
Long-term investments under fair value, non-current | 99,571 | 13,672 | 94,817
Recurring Basis |  |  |
Fair Value, Separate Account Investment [Line Items] |  |  |
Short-term investment | 13,905 | 1,909 | 18,929
Short-term investments under fair value | 37,953 | 5,211 | 82,791
Long-term investments under fair value, current | 3,584 | 492 | 14,122
Long-term investments under fair value, non-current | 99,571 | $ 13,672 | 94,817
Recurring Basis | Quoted Prices in Active Markets for Identical Assets (Level 1) |  |  |
Fair Value, Separate Account Investment [Line Items] |  |  |
Short-term investment | 0 |  | 0
Short-term investments under fair value | 37,953 |  | 32,103
Long-term investments under fair value, current | 3,584 |  | 0
Long-term investments under fair value, non-current | 34,251 |  | 21,438
Recurring Basis | Significant Other Observable Inputs (Level 2) |  |  |
Fair Value, Separate Account Investment [Line Items] |  |  |
Short-term investment | 13,905 |  | 18,929
Short-term investments under fair value | 0 |  | 50,688
Long-term investments under fair value, current | 0 |  | 14,122
Long-term investments under fair value, non-current | 65,320 |  | 73,379
Recurring Basis | Significant Unobservable Inputs (Level 3) |  |  |
Fair Value, Separate Account Investment [Line Items] |  |  |
Short-term investment | 0 |  | 0
Short-term investments under fair value | 0 |  | 0
Long-term investments under fair value, current | 0 |  | 0
Long-term investments under fair value, non-current | ¥ 0 |  | ¥ 0

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- Definition Amount, after allowance for credit loss, of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale) and investment in debt security measured at amortized cost (held-to-maturity), classified as noncurrent. + References No definition available. + Details
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