Earnings per share (Tables) |
12 Months Ended | ||||||||||||||||||||||||
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Mar. 31, 2025 | |||||||||||||||||||||||||
| Earnings per share [abstract] | |||||||||||||||||||||||||
| Bases for Calculating Basic Earnings (Losses) per Share and Diluted Earnings (Losses) per share | The bases for calculating basic earnings (losses) per share and diluted earnings (losses) per share for the year ended March 31, 2023, 2024 and 2025, are as follows:
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