Other Assets - Schedule of Prepaid Expense and Other Current Assets (Parenthetical) (Detail) ¥ in Thousands, $ in Thousands |
12 Months Ended | ||||||
|---|---|---|---|---|---|---|---|
|
Mar. 31, 2025
CNY (¥)
|
Mar. 31, 2026
CNY (¥)
|
Mar. 31, 2026
USD ($)
|
Jul. 31, 2024
USD ($)
|
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| Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Line Items] | |||||||
| Loan granted to third parties | ¥ 36,599 | [1] | $ 5,000 | ||||
| Interest rate on loan receivable | 8.00% | ||||||
| Other Assets, Noncurrent | 39,759 | ¥ 39,520 | $ 5,729 | ||||
| Gold [Member] | |||||||
| Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Line Items] | |||||||
| Gain from investments | ¥ 18,168 | ||||||
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