| Sep 30,
2014 | Sep 30,
2015 | Sep 30,
2016 | Sep 30,
2017 | Sep 30,
2018 | Sep 30,
2019 | Sep 30,
2020 | Sep 30,
2021 | Sep 30,
2022 | Sep 30,
2023 |
|---|
| Profit (loss) before income taxes | 219 | 302 | 308 | 167 | 204 | 215 | -23 | 286 | -30 | 140 |
|---|
| Depreciation | 21 | 17 | 13 | 15 | 20 | 47 | 51 | 49 | 34 | 38 |
|---|
| Amortization of goodwill | - | - | - | - | - | 14 | 31 | 20 | 20 | 20 |
|---|
| Increase (decrease) in allowance for doubtful accounts | -10 | - | - | - | - | 3 | 24 | -3 | -7 | -9 |
|---|
| Loss (gain) on valuation of investment securities | - | - | - | - | - | - | - | - | - | 95 |
|---|
| Increase (decrease) in allowance for investment loss of subsidiaries and affiliates | - | - | - | - | - | 2 | 1 | - | 2 | - |
|---|
| Share of loss (profit) of entities accounted for using equity method | - | - | - | - | - | 22 | 27 | 13 | -13 | -12 |
|---|
| Interest expenses | 2 | 2 | 1 | 0 | 0 | 1 | 4 | 4 | 4 | 4 |
|---|
| Decrease (increase) in trade receivables | -81 | -141 | -99 | -89 | -41 | -265 | -248 | 134 | 469 | -13 |
|---|
| Decrease (increase) in inventories | 10 | 4 | -3 | 3 | -4 | -11 | 0 | 1 | -25 | 12 |
|---|
| Increase (decrease) in trade payables | -33 | 15 | 40 | -47 | 43 | 35 | 65 | -37 | -39 | 26 |
|---|
| Decrease (increase) in deposits paid | - | - | - | - | - | - | - | -22 | 8 | 8 |
|---|
| Decrease (increase) in advance payments-other | 1 | -1 | -0 | -1 | 0 | 4 | -9 | 9 | -0 | 1 |
|---|
| Increase (decrease) in OpeCF | - | - | - | - | - | - | - | - | 53 | -33 |
|---|
| Increase (decrease) in accounts payable - other | 28 | -2 | -2 | 14 | -7 | -14 | 22 | 21 | 41 | 40 |
|---|
| Increase (decrease) in accrued consumption taxes | 19 | 3 | -11 | -11 | 11 | -0 | 38 | -43 | -5 | 40 |
|---|
| Increase (decrease) in income taxes payable - factor based tax | - | 4 | 1 | 1 | 3 | 3 | -5 | 6 | -6 | 6 |
|---|
| Other, net | -1 | 8 | -3 | -3 | -28 | 3 | -6 | -14 | -8 | 25 |
|---|
| Subtotal | 172 | 229 | 229 | 77 | 207 | 63 | 187 | 416 | 497 | 387 |
|---|
| Interest received | 0 | 0 | - | - | - | - | 0 | 0 | 0 | 0 |
|---|
| Interest paid | -3 | -1 | -1 | -0 | -0 | -2 | -4 | -4 | -4 | -4 |
|---|
| Income taxes paid | -57 | -104 | -137 | -121 | -25 | -73 | -103 | -3 | -150 | -2 |
|---|
| Income taxes refund | 0 | - | - | - | 8 | - | 4 | 37 | - | 50 |
|---|
| Net cash provided by (used in) operating activities | 106 | 124 | 91 | -44 | 190 | -12 | 85 | 446 | 343 | 432 |
|---|
| Purchase of property, plant and equipment | -16 | -3 | -22 | -17 | -13 | -17 | -0 | -1 | -8 | -4 |
|---|
| Purchase of intangible assets | -9 | -7 | -4 | -11 | -17 | -111 | -95 | -25 | -18 | -28 |
|---|
| Purchase of investment securities | - | - | - | - | - | -110 | - | -231 | -117 | - |
|---|
| Proceeds from collection of long-term loans receivable | 10 | - | - | - | - | - | - | 3 | 12 | 9 |
|---|
| Long-term loan advances | - | - | - | - | - | - | -24 | - | -5 | - |
|---|
| Purchase of insurance funds | -2 | -2 | -10 | -14 | -15 | -21 | -28 | -63 | -69 | -59 |
|---|
| Proceeds from cancellation of insurance funds | - | - | 57 | 0 | 1 | 4 | 5 | 5 | 5 | 5 |
|---|
| Other, net | - | - | - | - | - | - | - | 0 | -0 | - |
|---|
| Net cash provided by (used in) investing activities | -13 | -12 | -70 | -58 | -81 | -415 | -142 | -320 | -199 | -76 |
|---|
| Proceeds from short-term borrowings | - | - | - | - | - | - | - | 70 | 80 | - |
|---|
| Repayments of long-term borrowings | -121 | -73 | -77 | -40 | -14 | -45 | -97 | -122 | -122 | -117 |
|---|
| Proceeds from issuance of shares | - | 617 | 3 | 20 | 47 | 5 | 2 | 2 | 1 | - |
|---|
| Dividends paid | -5 | - | - | - | - | - | - | - | - | -22 |
|---|
| Other, net | -0 | -1 | -2 | -1 | -1 | -0 | -0 | -0 | -0 | -1 |
|---|
| Net cash provided by (used in) financing activities | 24 | 535 | -31 | -38 | 33 | 408 | 362 | -51 | -42 | -140 |
|---|
| Net increase (decrease) in cash and cash equivalents | 117 | 647 | -10 | -139 | 141 | -19 | 304 | 76 | 101 | 215 |
|---|