| Mar 31,
2018 | Mar 31,
2019 | Mar 31,
2020 | Mar 31,
2021 | Mar 31,
2022 | Mar 31,
2023 | Mar 31,
2024 |
|---|
| Profit (loss) before tax | 56,257 | 87,915 | 11,864 | -45,342 | 57,096 | 57,058 | 42,669 |
|---|
| Depreciation and amortization | 31,706 | 27,805 | 34,105 | 28,027 | 24,857 | 29,056 | 35,666 |
|---|
| Impairment losses (reversal of impairment losses) | 1,397 | 1,023 | 11,275 | 26,054 | 449 | 4,389 | 2,716 |
|---|
| Interest and dividend income | -4,395 | -5,086 | -3,911 | -2,727 | -2,163 | -4,179 | -5,610 |
|---|
| Share of loss (profit) of investments accounted for using equity method | 219 | -1,762 | -1,816 | -1,969 | -1,213 | -2,543 | -2,467 |
|---|
| Loss (gain) on sale of fixed assets | -120 | -109 | -4,123 | -141 | -3,537 | -268 | 217 |
|---|
| Interest expenses | 1,440 | 1,515 | 1,721 | 1,246 | 1,054 | 1,982 | 3,195 |
|---|
| Decrease (increase) in trade and other receivables | -6,999 | -12,077 | 25,788 | 17,271 | -13,321 | -15,501 | -17,274 |
|---|
| Decrease (increase) in inventories | -14,476 | -18,185 | 1,034 | 13,122 | 2,181 | -28,844 | 4,910 |
|---|
| Increase (decrease) in trade and other payables | 6,132 | -18,739 | -24,533 | -9,615 | 3,067 | 895 | 5,990 |
|---|
| Increase (decrease) in advances received-OpeCF (IFRS) | 65,970 | 15,149 | -15,561 | -13,802 | -27,697 | -44,849 | -33,292 |
|---|
| Increase (decrease) in provisions | -919 | -1,173 | -224 | 25 | -699 | -564 | 3,160 |
|---|
| Other | - | 7,375 | -7,949 | -3,718 | -6,234 | 10,663 | 2,351 |
|---|
| Subtotal | 149,598 | 83,651 | 27,668 | 8,431 | 33,840 | 7,295 | 42,231 |
|---|
| Interest and dividends received | 6,110 | 6,321 | 5,498 | 3,606 | 3,920 | 6,960 | 8,836 |
|---|
| Interest paid | -1,400 | -1,409 | -1,693 | -1,250 | -1,123 | -1,769 | -3,022 |
|---|
| Income taxes refund (paid) | -9,258 | -19,662 | -15,054 | -5,821 | -5,285 | -12,471 | -17,278 |
|---|
| Net cash provided by (used in) operating activities | 125,082 | 68,901 | 16,419 | 4,966 | 31,351 | 15 | 30,767 |
|---|
| Purchase of property, plant and equipment | -28,062 | -20,827 | -19,463 | -16,965 | -17,981 | -23,139 | -39,214 |
|---|
| Proceeds from sale of property, plant and equipment | 921 | 2,807 | 4,505 | 681 | 5,484 | 381 | 763 |
|---|
| Purchase of intangible assets | -7,672 | -7,566 | -5,968 | -6,134 | -5,844 | -9,884 | -16,001 |
|---|
| Purchase of investment securities | -6,625 | -6,281 | -7,802 | -1,126 | -4,224 | -4,781 | -1,404 |
|---|
| Proceeds from sale of investment securities | 8,328 | 651 | 5,870 | 38,754 | 20,459 | 1,265 | 16,740 |
|---|
| Purchase of subsidiaries or other businesses-InvCF (IFRS) | - | - | - | - | -378 | -76,877 | -2,289 |
|---|
| Proceeds from sale of shares of subsidiaries or other businesses-InvCF (IFRS) | - | - | - | - | - | 8 | - |
|---|
| Other | -137 | 1,216 | 1,467 | 960 | 2,098 | 882 | - |
|---|
| Net cash provided by (used in) investing activities | -34,808 | -25,304 | -21,281 | 18,024 | -385 | -112,146 | -41,405 |
|---|
| Net increase (decrease) in short-term borrowings | -1,400 | -50 | -2,250 | - | 13,189 | -9,625 | 40,065 |
|---|
| Proceeds from long-term borrowings | - | - | - | 1,000 | - | 23,895 | - |
|---|
| Repayments of long-term borrowings | - | - | - | -1,000 | -10,803 | -14,046 | -2,209 |
|---|
| Redemption of bonds | - | - | - | -10,000 | -10,000 | -3,767 | -10,331 |
|---|
| Repayments of lease liabilities | - | -798 | -7,194 | -7,448 | -7,438 | -8,045 | -11,089 |
|---|
| Payments for acquisition of interests in subsidiaries from non-controlling interests | - | - | - | - | - | - | -7,871 |
|---|
| Dividends paid | -7,153 | -20,621 | -23,552 | -7,350 | -11,024 | -14,522 | -17,310 |
|---|
| Dividends paid to non-controlling interests | -57 | -40 | -42 | -43 | -17 | -21 | -64 |
|---|
| Purchase of treasury shares | - | -3 | -40,002 | -1 | -2 | -30,001 | -3 |
|---|
| Other | -1,265 | -71 | 301 | -43 | -57 | -79 | -125 |
|---|
| Net cash provided by (used in) financing activities | -19,970 | -21,583 | -72,739 | -4,991 | -26,151 | -56,210 | -8,938 |
|---|
| Effect of exchange rate changes on cash and cash equivalents | -913 | 603 | -9,421 | 9,766 | 13,664 | 9,401 | 14,883 |
|---|
| Net increase (decrease) in cash and cash equivalents | 69,392 | 22,617 | -87,021 | 27,765 | 18,478 | -158,940 | -4,693 |
|---|