| Mar 31,
2020 | Mar 31,
2021 | Mar 31,
2022 | Mar 31,
2023 |
|---|
| Profit (loss) before income taxes | -1 | 44,104 | 40,248 | 49,352 |
|---|
| Depreciation | - | 21,941 | 22,127 | 17,501 |
|---|
| Loss on retirement of non-current assets | - | 1,745 | 1,363 | 1,250 |
|---|
| Increase (decrease) in retirement benefit liability | - | -579 | -311 | -196 |
|---|
| Interest and dividend income | - | -606 | -520 | -777 |
|---|
| Interest expenses | - | 1,181 | 961 | 1,241 |
|---|
| Share of loss (profit) of entities accounted for using equity method | - | 139 | 1,034 | 160 |
|---|
| Decrease (increase) in trade receivables | - | -5,897 | 3,414 | 30 |
|---|
| Increase (decrease) in trade payables | - | 203 | 268 | 19 |
|---|
| Other, net | - | 7,106 | -665 | -8,114 |
|---|
| Subtotal | - | 87,828 | 56,121 | 63,075 |
|---|
| Interest and dividends received | - | 690 | 641 | 960 |
|---|
| Interest paid | - | -1,281 | -983 | -1,246 |
|---|
| Income taxes paid | - | -1,668 | -12,674 | -10,141 |
|---|
| Net cash provided by (used in) operating activities | -1 | 85,569 | 43,105 | 52,647 |
|---|
| Purchase of non-current assets | - | -21,561 | -21,534 | -24,941 |
|---|
| Proceeds from contribution received for construction | - | 5 | - | 2 |
|---|
| Investments and loan advances | - | -10,869 | -4,222 | -11,588 |
|---|
| Proceeds from divestments and collection of loans receivable | - | 2,079 | 2,022 | 9,664 |
|---|
| Purchase of shares of subsidiaries resulting in change in scope of consolidation | - | - | - | -14,803 |
|---|
| Other, net | - | -86 | 171 | 386 |
|---|
| Net cash provided by (used in) investing activities | - | -30,432 | -23,562 | -41,280 |
|---|
| Proceeds from issuance of bonds | - | - | 39,915 | 29,932 |
|---|
| Proceeds from long-term borrowings | - | - | - | 4,700 |
|---|
| Repayments of long-term borrowings | - | -73,884 | -8,366 | -4,349 |
|---|
| Proceeds from short-term borrowings | - | 132,617 | 147,846 | 209,081 |
|---|
| Repayments of short-term borrowings | - | -119,394 | -140,512 | -180,845 |
|---|
| Dividends paid | - | - | -33,077 | -31,331 |
|---|
| Other, net | - | 5,489 | -1 | -1 |
|---|
| Net cash provided by (used in) financing activities | 10 | -55,172 | 5,804 | 27,185 |
|---|
| Effect of exchange rate change on cash and cash equivalents | - | -50 | 6 | -146 |
|---|
| Net increase (decrease) in cash and cash equivalents | 8 | -85 | 25,354 | 38,406 |
|---|