Other Assets - Schedule of Prepaid Expense and Other Current Assets (Parenthetical) (Detail) ¥ in Thousands, $ in Thousands |
12 Months Ended | |||||||||
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Mar. 31, 2025
CNY (¥)
|
Mar. 31, 2024
CNY (¥)
|
Mar. 31, 2023
CNY (¥)
|
Mar. 31, 2025
USD ($)
|
Jul. 31, 2024
USD ($)
|
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Asset impairment charges | ¥ 63,460 | |||||||||
Loan granted to third parties | ¥ 36,599 | [1] | $ 5,000 | |||||||
Interest rate on loan receivable | 8.00% | |||||||||
Other Assets, Noncurrent | 39,759 | ¥ 45,473 | $ 5,479 | |||||||
Gold [Member] | ||||||||||
Asset impairment charges | 0 | |||||||||
Other Assets, Noncurrent | [2] | ¥ 31,658 | ||||||||
Gain from investments | ¥ 18,168 | |||||||||
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