| Mar 31,
2021 | Mar 31,
2022 | Mar 31,
2023 | Mar 31,
2024 |
|---|
| Profit (loss) | 74,561 | 131,815 | 114,301 | 126,135 |
|---|
| Depreciation and amortization | 148,356 | 177,031 | 206,285 | 190,546 |
|---|
| Impairment losses (reversal of impairment losses) | 7,914 | 3,300 | 35,064 | 9,570 |
|---|
| Finance income | -11,424 | -11,277 | -17,372 | -35,902 |
|---|
| Finance costs | 7,483 | 7,853 | 20,772 | 30,224 |
|---|
| Share of loss (profit) of investments accounted for using equity method | -415 | -2,291 | -1,792 | -670 |
|---|
| Income tax expense | 42,702 | 40,675 | 52,918 | 53,106 |
|---|
| Decrease (increase) in trade receivables | -96,954 | -38,452 | 6,321 | 36,976 |
|---|
| Decrease (increase) in inventories | -38,561 | -108,436 | 11,961 | 72,950 |
|---|
| Decrease (increase) in long-term advances to vendors | - | -112,222 | 12,787 | 13,093 |
|---|
| Decrease (increase) in other current assets | -19,271 | -9,740 | 3,071 | -2,905 |
|---|
| Increase (decrease) in trade payables | 99,098 | 86,431 | -116,469 | -19,744 |
|---|
| Increase (decrease) in other current liabilities | 38,369 | 34,453 | 10,738 | 14,966 |
|---|
| Increase (decrease) in retirement benefit liability | -1,313 | -348 | -11,004 | -4,533 |
|---|
| Decrease in other financial assets | - | - | -3,020 | 12,997 |
|---|
| Increase in other financial liabities | - | - | -5,499 | -2,834 |
|---|
| Other | 6,254 | 6,765 | -20,888 | -18,794 |
|---|
| Subtotal | 253,273 | 205,557 | 298,174 | 475,181 |
|---|
| Interest and dividends received | 9,206 | 9,538 | 14,746 | 20,965 |
|---|
| Interest paid | -4,056 | -5,491 | -9,009 | -8,942 |
|---|
| Income taxes refund (paid) | -27,568 | -30,617 | -41,139 | -40,197 |
|---|
| Net cash provided by (used in) operating activities | 230,855 | 178,987 | 262,772 | 447,007 |
|---|
| Purchase of tangible and intangible assets | -212,196 | -291,337 | -275,709 | -218,589 |
|---|
| Proceeds from sale of tangible and intangible assets | 3,586 | 3,368 | 23,795 | 26,100 |
|---|
| Proceeds from withdrawal of time deposits | 90,606 | 83,172 | 79,937 | 44,796 |
|---|
| Payments into time deposits | -120,427 | -66,745 | -42,416 | -43,183 |
|---|
| Proceeds from sale of securities | 1,080 | 1,523 | 788 | 1,952 |
|---|
| Purchase of securities | -3,994 | -11,537 | -11,803 | -17,918 |
|---|
| Purchase of investments in associates | - | - | -6,754 | -9,693 |
|---|
| Other | 408 | 10 | -2,240 | -57 |
|---|
| Net cash provided by (used in) investing activities | -231,418 | -281,546 | -234,402 | -216,592 |
|---|
| Proceeds from long-term borrowings | 50,014 | 190,879 | 372 | 80,339 |
|---|
| Repayments of long-term borrowings | -66,200 | -134,570 | -4,868 | -25,478 |
|---|
| Net increase (decrease) in short-term borrowings | -24,526 | -8,235 | 65,942 | -168,237 |
|---|
| Proceeds from issuance of bonds | - | - | - | 20,000 |
|---|
| Repayments of lease liabilities | -8,712 | -9,713 | -10,398 | -12,286 |
|---|
| Dividends paid | -22,738 | -23,987 | -37,198 | -42,152 |
|---|
| Other | -801 | -518 | 1,097 | 1,446 |
|---|
| Net cash provided by (used in) financing activities | 21,082 | 113,743 | 14,947 | -146,368 |
|---|
| Effect of exchange rate changes on cash and cash equivalents | 27,151 | 47,768 | 23,529 | 59,766 |
|---|
| Net increase in cash and cash equivalents | 47,670 | 58,952 | 66,846 | 143,813 |
|---|