| Jan 31,
2018 | Jan 31,
2019 | Jan 31,
2020 | Jan 31,
2021 | Jan 31,
2022 | Jan 31,
2023 | Jan 31,
2024 |
|---|
| Cash and deposits | - | 904 | 1,009 | 1,033 | 1,439 | 1,822 | 1,742 |
|---|
| Accounts receivable-trade, and contract assets | - | - | - | - | - | 1,164 | 1,331 |
|---|
| Work in process | - | 22 | 48 | 62 | 122 | 26 | 10 |
|---|
| Other | - | 4 | 2 | 49 | 76 | 273 | 298 |
|---|
| Current assets | - | 1,441 | 1,519 | 1,705 | 2,149 | 3,286 | 3,382 |
|---|
| Buildings, net | - | 22 | 20 | 15 | 35 | 35 | 29 |
|---|
| Tools, furniture and fixtures, net | - | 39 | 31 | 20 | 41 | 64 | 64 |
|---|
| Property, plant and equipment | - | 61 | 50 | 35 | 75 | 99 | 93 |
|---|
| Software | - | 34 | 34 | 1 | 1 | 0 | 1 |
|---|
| Goodwill | - | 19 | 11 | 2 | 194 | 290 | 221 |
|---|
| Other | - | - | - | - | - | 69 | - |
|---|
| Other | - | - | - | - | - | 69 | - |
|---|
| Intangible assets | - | 53 | 45 | 4 | 195 | 360 | 222 |
|---|
| Intangible assets | - | 53 | 45 | 4 | 195 | 360 | 222 |
|---|
| Guarantee deposits | - | 173 | 193 | 232 | 287 | 269 | 672 |
|---|
| Deferred tax assets | - | - | 111 | 104 | 109 | 180 | 201 |
|---|
| Guarantee deposits | - | 173 | 193 | 232 | 287 | 269 | 672 |
|---|
| Other | - | - | - | 0 | 1 | 4 | 16 |
|---|
| Deferred tax assets | - | - | 111 | 104 | 109 | 180 | 201 |
|---|
| Investments and other assets | - | 266 | 304 | 336 | 397 | 453 | 888 |
|---|
| Other | - | - | - | 0 | 1 | 4 | 16 |
|---|
| Investments and other assets | - | 266 | 304 | 336 | 397 | 453 | 888 |
|---|
| Non-current assets | - | 381 | 399 | 374 | 667 | 912 | 1,204 |
|---|
| Assets | - | 1,821 | 1,918 | 2,080 | 2,816 | 4,199 | 4,586 |
|---|
| Accounts payable - trade | - | 16 | 18 | 22 | 89 | 313 | 279 |
|---|
| Short-term borrowings | - | - | - | - | 300 | - | 300 |
|---|
| Current portion of long-term borrowings | - | 68 | 60 | 40 | 6 | 110 | 110 |
|---|
| Accounts payable - other | - | 184 | 228 | 271 | 312 | 548 | 515 |
|---|
| Income taxes payable | - | 47 | 47 | 41 | 14 | 228 | 109 |
|---|
| Contract liabilities | - | - | - | - | - | 192 | 220 |
|---|
| Accrued consumption taxes | - | 51 | 69 | 95 | 56 | 154 | 137 |
|---|
| Provision for bonuses | - | 3 | 2 | - | 11 | 15 | 29 |
|---|
| Provision for loss on orders received | - | 0 | 2 | 0 | 6 | 0 | - |
|---|
| Other | - | 3 | 7 | 74 | 91 | 19 | 30 |
|---|
| Current liabilities | - | 376 | 466 | 543 | 885 | 1,578 | 1,730 |
|---|
| Long-term borrowings | - | 103 | 43 | 3 | 7 | 498 | 388 |
|---|
| Non-current liabilities | - | 103 | 43 | 3 | 7 | 499 | 388 |
|---|
| Other | - | - | - | - | - | 2 | - |
|---|
| Non-current liabilities | - | 103 | 43 | 3 | 7 | 499 | 388 |
|---|
| Liabilities | - | 479 | 509 | 546 | 891 | 2,077 | 2,117 |
|---|
| Share capital | - | 448 | 448 | 448 | 589 | 620 | 639 |
|---|
| Legal capital surplus | - | 346 | 346 | 346 | - | - | - |
|---|
| Capital surplus | - | 346 | 346 | 346 | 487 | 518 | 537 |
|---|
| Capital surplus | - | 346 | 346 | 346 | 487 | 518 | 537 |
|---|
| Retained earnings brought forward | - | 547 | 614 | 739 | - | - | - |
|---|
| Retained earnings | - | 547 | 614 | 739 | 849 | 1,035 | 1,377 |
|---|
| Retained earnings | - | 547 | 614 | 739 | 849 | 1,035 | 1,377 |
|---|
| Treasury shares | - | - | - | - | - | -57 | -110 |
|---|
| Shareholders' equity | - | 1,342 | 1,408 | 1,534 | 1,925 | 2,116 | 2,442 |
|---|
| Share acquisition rights | - | - | - | - | - | 5 | 27 |
|---|
| Net assets | 1,283 | 1,342 | 1,408 | 1,534 | 1,925 | 2,121 | 2,468 |
|---|
| Liabilities and net assets | - | 1,821 | 1,918 | 2,080 | 2,816 | 4,199 | 4,586 |
|---|