| 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 | 49,681 | 41,407 | 28,751 | 36,247 | 25,839 | 18,692 | 21,746 |
|---|
| Depreciation and amortization | 11,568 | 11,982 | 12,311 | 11,440 | 11,033 | 11,879 | 12,898 |
|---|
| Impairment losses (reversal of impairment losses) | 189 | 69 | 666 | 142 | 143 | 23 | 115 |
|---|
| Loss (gain) on disposal of non-current assets-OpeCF (IFRS) | -206 | -242 | -495 | -166 | -1,393 | -1,315 | -578 |
|---|
| Finance income and finance costs | -1,735 | -2,010 | -1,976 | -1,083 | -1,398 | -2,381 | -3,209 |
|---|
| Share of loss (profit) of investments accounted for using equity method | -388 | -367 | -481 | -7,658 | -590 | -487 | 48 |
|---|
| Decrease (increase) in trade and other receivables | -6,301 | 6,751 | 23,721 | -15,863 | 4,301 | -6,223 | 13,756 |
|---|
| Net decrease (increase) in leased receivables-OpeCF (IFRS) | - | - | - | - | 712 | -1,492 | 4,460 |
|---|
| Decrease (increase) in inventories | 3,307 | -526 | -3,299 | -3,262 | -6,339 | 14,118 | -159 |
|---|
| Increase (decrease) in trade and other payables | -1,903 | -2,886 | -10,532 | 6,192 | -3,422 | -704 | -7,349 |
|---|
| Increase or decrease in retirement benefit asset or liability | -688 | 362 | 803 | -1,505 | -1,036 | -238 | -3,318 |
|---|
| Increase (decrease) in provisions | 912 | -4,513 | 2,171 | 402 | -2,566 | 409 | -559 |
|---|
| Other | - | 392 | -698 | 3,117 | 988 | 3,390 | 2,710 |
|---|
| Subtotal | 57,625 | 53,738 | 52,305 | 30,002 | 26,272 | 35,670 | 40,561 |
|---|
| Interest received | 1,024 | 1,246 | 1,515 | 892 | 1,011 | 1,796 | 3,144 |
|---|
| Dividends received | 856 | 919 | 940 | 894 | 1,531 | 1,200 | 1,694 |
|---|
| Interest paid | -152 | -122 | -116 | -133 | -117 | -131 | -245 |
|---|
| Income taxes paid | -10,946 | -11,975 | -10,452 | -6,503 | -8,681 | -8,090 | -7,496 |
|---|
| Net cash provided by (used in) operating activities | 48,406 | 43,806 | 44,193 | 25,151 | 20,018 | 30,445 | 37,659 |
|---|
| Payments into time deposits | -5,790 | -11,004 | -17,382 | -7,495 | -10,026 | -17,410 | -12,065 |
|---|
| Proceeds from withdrawal of time deposits | 2,880 | 2,345 | 23,182 | 11,521 | 6,972 | 11,663 | 18,581 |
|---|
| Purchase of property, plant and equipment | -8,952 | -6,782 | -7,623 | -5,455 | -13,777 | -13,434 | -13,056 |
|---|
| Proceeds from sale of property, plant and equipment | 406 | 512 | 218 | 698 | 2,736 | 639 | 1,008 |
|---|
| Purchase of intangible assets | -1,351 | -2,012 | -3,311 | -2,206 | -1,858 | -2,366 | -3,524 |
|---|
| Purchase of equity instruments | -60 | -1,373 | -445 | -56 | -1,196 | -87 | -107 |
|---|
| Proceeds from sale of equity instruments | - | - | 2 | - | - | 9 | 5 |
|---|
| Payments for loans receivable | -188 | -168 | -241 | -121 | -747 | -98 | -243 |
|---|
| Collection of loans receivable | 181 | 173 | 179 | 214 | 710 | 131 | 125 |
|---|
| Other | 134 | -10 | 53 | -43 | -9 | -17 | 607 |
|---|
| Net cash provided by (used in) investing activities | -12,742 | -18,321 | -5,366 | -11,709 | -17,196 | -20,970 | -8,669 |
|---|
| Repayments of lease liabilities | - | -1,859 | -1,532 | -1,754 | -1,435 | -1,571 | -1,412 |
|---|
| Payments for acquisition of interests in subsidiaries from non-controlling interests | -815 | - | - | -55 | - | - | -66 |
|---|
| Proceeds from sale of interests in subsidiaries to non-controlling interests | - | - | - | - | - | 450 | - |
|---|
| Purchase of treasury shares | - | - | - | -2,597 | -2,152 | -7,847 | - |
|---|
| Decrease (increase) in deposits for purchase of treasury shares-FinCF (IFRS) | - | - | - | - | -7,870 | 7,870 | - |
|---|
| Dividends paid | -4,963 | -5,711 | -5,779 | -5,847 | -6,657 | -7,600 | -8,687 |
|---|
| Dividends paid to non-controlling interests | -4,921 | -7,564 | -5,455 | -4,316 | -6,145 | -10,161 | -7,651 |
|---|
| Net cash provided by (used in) financing activities | -11,858 | -16,390 | -12,917 | -14,647 | -23,638 | -18,860 | -17,818 |
|---|
| Effect of exchange rate changes on cash and cash equivalents | -1,055 | 794 | -4,928 | 4,611 | 7,367 | 2,492 | 6,670 |
|---|
| Net increase (decrease) in cash and cash equivalents | 22,749 | 9,888 | 20,981 | 3,406 | -13,449 | -6,892 | 17,841 |
|---|
| Increases in cash and cash equivalents from newly consolidated subsidiaries-CF (IFRS) | - | - | - | - | - | 220 | - |
|---|