| Mar 31, 2013 | Mar 31, 2014 | Mar 31, 2015 | Mar 31, 2016 | Mar 31, 2017 | Mar 31, 2018 | Mar 31, 2019 | Mar 31, 2020 | Mar 31, 2021 | Mar 31, 2022 | Mar 31, 2023 |
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Net sales | 227,584 | 248,416 | 254,469 | 256,889 | 254,810 | 260,384 | 262,054 | 259,411 | 246,821 | 256,551 | 278,406 |
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Cost of sales | 149,712 | 161,866 | 164,585 | 165,801 | 163,319 | 162,903 | 159,716 | 155,769 | 147,451 | 150,845 | 166,467 |
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Gross profit (loss) | | | | | | | | | | | |
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Selling, general and administrative expenses | | | | | | | | | | | |
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Operating profit (loss) | | | | | | | | | | | |
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Interest income | | | | | | | | | | | |
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Dividend income | | | | | | | | | | | |
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Foreign exchange gains | | | | | | | | | | | |
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Rental income from real estate | | | | | | | | | | | |
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Reversal of allowance for doubtful accounts | | | | | | | | | | | |
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Other | | | | | | | | | | | |
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Non-operating income | | | | | | | | | | | |
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Interest expenses | | | | | | | | | | | |
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Commitment fees | | | | | | | | | | | |
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Expenses of real estate | | | | | | | | | | | |
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Office relocation expenses | | | | | | | | | | | |
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Provision of allowance for doubtful accounts | | | | | | | | | | | |
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Other | | | | | | | | | | | |
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Non-operating expenses | | | | | | | | | | | |
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Ordinary profit (loss) | | | | | | | | | | | |
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Gain on sale of non-current assets | | | | | | | | | | | |
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Gain on sale of investment securities | | | | | | | | | | | |
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Extraordinary income | | | | | | | | | | | |
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Loss on sale and retirement of non-current assets | | | | | | | | | | | |
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Provision for product warranties | | | | | | | | | | | |
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Loss on sale of shares of subsidiaries and associates | | | | | | | | | | | |
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Loss on sale of investment securities | | | | | | | | | | | |
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Loss on business restructuring | | | | | | | | | | | |
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Extraordinary losses | | | | | | | | | | | |
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Profit (loss) before income taxes | | | | | | | | | | | |
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Income taxes - current | | | | | | | | | | | |
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Income taxes - deferred | | | | | | | | | | | |
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Income taxes | | | | | | | | | | | |
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Profit (loss) | | | | | | | | | | | |
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Profit (loss) attributable to non-controlling interests | | | | | | | | | | | |
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Profit (loss) attributable to owners of parent | | | | | | | | | | | |
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