| Mar 31,
2020 | Mar 31,
2021 | Mar 31,
2022 | Mar 31,
2023 | Mar 31,
2024 |
|---|
| Profit (loss) before tax | 29,182 | 27,617 | 87,637 | 64,865 | -72,280 |
|---|
| Depreciation, amortization and impairment loss | 77,261 | 80,185 | 84,193 | 70,934 | 75,828 |
|---|
| Finance income and finance costs | 3,360 | 3,442 | 2,391 | 3,319 | 1,506 |
|---|
| Share of loss (profit) of investments accounted for using equity method | 12,303 | 1,933 | -1,187 | 8,374 | -774 |
|---|
| Loss(gain) on sale of property, plant and equipment, and intangible assets and investment property | -4,409 | -26,312 | -66,051 | -5,468 | -6,944 |
|---|
| Decrease (increase) in trade receivables | -6,359 | -3,076 | -2,521 | -23,896 | -79,835 |
|---|
| Decrease (increase) in contract assets | -8,711 | -9,178 | -11,480 | -14,821 | 16,712 |
|---|
| Decrease (increase) in inventories and prepayments | -12,685 | 4,136 | -15,320 | -33,708 | -44,815 |
|---|
| Increase (decrease) in trade payables | -20,389 | -42,277 | -5,082 | 5,002 | 6,406 |
|---|
| Increase (decrease) in contract liabilities | -5,532 | 16,641 | 47,026 | -14,843 | 2,378 |
|---|
| Increase (decrease) in refund liabilities | - | - | - | 5,004 | 154,037 |
|---|
| Increase (decrease) in allowance for doubtful accounts | - | - | -342 | 7,118 | 7,892 |
|---|
| Other | -3,666 | -1,427 | 3,312 | 26,902 | 22,384 |
|---|
| Subtotal | 60,355 | 51,684 | 122,576 | 93,778 | 82,495 |
|---|
| Interest received | 709 | 382 | 396 | 867 | 2,268 |
|---|
| Dividends received | 1,403 | 4,699 | 2,153 | 1,205 | 1,317 |
|---|
| Interest paid | -4,709 | -4,004 | -3,615 | -3,858 | -4,926 |
|---|
| Income taxes refund (paid) | -17,011 | -16,381 | -7,355 | -37,876 | -19,037 |
|---|
| Net cash provided by (used in) operating activities | 42,484 | 36,380 | 114,155 | 54,116 | 62,117 |
|---|
| Purchase of property, plant and equipment, and intangible assets and investment property | -72,293 | -57,458 | -45,574 | -62,577 | -60,993 |
|---|
| Proceeds from sales of property, plant and equipment, and intangible assets and investment property | 6,504 | 33,162 | 73,229 | 7,373 | 12,181 |
|---|
| Purchase of investments (including investments accounted for using equity method) | -23,182 | -11,009 | -3,124 | -4,288 | -4,053 |
|---|
| Proceeds from sale and redemption of investments (including investments accounted for using equity method) | 8,351 | 978 | 4,591 | 2,283 | 4,189 |
|---|
| Payments for acquisition of subsidiaries | - | - | - | -64 | - |
|---|
| Proceeds from sale of equity interest of subsidiaries | 7,352 | 295 | 144 | 1,224 | 160 |
|---|
| Other | -12,304 | -6,450 | -1,340 | 3,702 | -3,183 |
|---|
| Net cash provided by (used in) investing activities | -85,572 | -40,482 | 27,926 | -52,347 | -51,699 |
|---|
| Net increase (decrease) in short-term borrowings | 84,004 | -43,633 | -50,579 | 14,372 | 42,201 |
|---|
| Proceeds from long-term borrowings | 47,864 | 117,911 | 14,625 | 30,216 | 85,822 |
|---|
| Repayments of long-term borrowings | -49,527 | -39,473 | -36,570 | -42,630 | -64,393 |
|---|
| Proceeds from issuance of bonds | 30,000 | 30,000 | - | 20,000 | - |
|---|
| Redemption of bonds | -20,000 | -10,000 | -20,000 | - | -10,000 |
|---|
| Repayments of lease liabilities | -18,871 | -19,244 | -20,553 | -21,505 | -21,646 |
|---|
| Net decrease (increase) in treasury shares | -14,490 | 131 | -6 | -13 | 96 |
|---|
| Dividends paid | -10,791 | -2,983 | -4,541 | -12,110 | -15,145 |
|---|
| Capital contribution from non-controlling interests | 1,299 | 59 | 85 | 822 | 1,292 |
|---|
| Dividends paid to non-controlling interests | -3,084 | -3,722 | -3,966 | -4,490 | -5,699 |
|---|
| Increase in other financial liabilities | 6,139 | 3,203 | 3,464 | 5,168 | 1,285 |
|---|
| Decrease in other financial liabilities | -11,726 | -674 | -3,513 | -13,332 | -15,692 |
|---|
| Payments for acquisition of interests in subsidiaries from non-controlling interests | - | - | - | -542 | -689 |
|---|
| Other | 75 | 713 | 65 | 1 | -1 |
|---|
| Net cash provided by (used in) financing activities | 96,892 | -23,712 | -121,489 | -24,043 | -2,569 |
|---|
| Effect of exchange rate changes on cash and cash equivalents | -1,111 | 3,245 | 4,131 | 1,528 | 6,213 |
|---|
| Net increase (decrease) in cash and cash equivalents | 52,693 | -24,569 | 24,723 | -20,746 | 14,062 |
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