The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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+ Details

Intangible Assets, Net - Additional Information (Detail) ¥ in Thousands, $ in Thousands	1 Months Ended	12 Months Ended
	Sep. 30, 2023 CNY (¥)	Mar. 31, 2026 CNY (¥) AssetGroup	Mar. 31, 2026 USD ($) AssetGroup	Mar. 31, 2025 CNY (¥)	Mar. 31, 2024 CNY (¥)
Finite-Lived Intangible Assets [Line Items]
Amortization Expense for Intangible Assets		¥ 176	$ 26	¥ 156	¥ 1,901
Number Of Intangible Asset Groups \| AssetGroup		2	2
Impairment Of Intangible Asset Finite Lived Statement Of Income Or Comprehensive Income Extensible Enumeration Not Disclosed Flag	true
Impairment of intangible assets	¥ 9,945	¥ 0		¥ 0	9,945
Customer Relationships
Finite-Lived Intangible Assets [Line Items]
Impairment of intangible assets					7,905
Technology
Finite-Lived Intangible Assets [Line Items]
Impairment of intangible assets					¥ 2,040