| Sep 30, 2018 | Sep 30, 2019 | Sep 30, 2020 | Sep 30, 2021 | Sep 30, 2022 | Sep 30, 2023 |
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Cash and deposits | - | 398 | 586 | 846 | 673 | 1,020 |
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Accounts receivable - trade | - | 497 | 512 | 632 | 643 | 757 |
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Contract assets | - | - | - | - | 204 | 78 |
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Work in process | - | 2 | 8 | 4 | - | 2 |
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Supplies | - | - | - | - | 40 | 86 |
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Other | - | 37 | 22 | 19 | 28 | 26 |
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Current assets | - | 934 | 1,129 | 1,501 | 1,588 | 1,968 |
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Current assets | - | 934 | 1,129 | 1,501 | 1,588 | 1,968 |
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Facilities attached to buildings | - | 62 | 70 | 73 | 74 | 74 |
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Accumulated depreciation | - | -11 | -16 | -23 | -30 | -37 |
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Facilities attached to buildings, net | - | 48 | 53 | 50 | 43 | 36 |
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Tools, furniture and fixtures | - | 24 | 27 | 32 | 34 | 37 |
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Accumulated depreciation | - | -7 | -10 | -14 | -19 | -22 |
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Tools, furniture and fixtures, net | - | 17 | 17 | 18 | 15 | 15 |
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Property, plant and equipment | - | 65 | 70 | 68 | 58 | 51 |
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Goodwill | - | 233 | 437 | 424 | 641 | 541 |
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Other | - | 11 | 7 | 4 | 10 | 11 |
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Intangible assets | - | 244 | 444 | 428 | 651 | 552 |
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Investment securities | - | - | - | - | - | 124 |
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Leasehold deposits | - | 90 | 87 | 87 | 81 | 75 |
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Deferred tax assets | - | 101 | 124 | 108 | 148 | 167 |
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Other | - | 0 | 2 | 1 | 9 | 26 |
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Deferred tax assets | - | 101 | 124 | 108 | 148 | 167 |
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Leasehold deposits | - | 90 | 87 | 87 | 81 | 75 |
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Investments and other assets | - | 192 | 213 | 196 | 238 | 392 |
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Investments and other assets | - | 192 | 213 | 196 | 238 | 392 |
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Non-current assets | - | 501 | 727 | 691 | 947 | 995 |
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Assets | - | 1,435 | 1,855 | 2,192 | 2,536 | 2,963 |
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Short-term borrowings | - | 45 | - | - | 100 | - |
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Accounts payable - trade | - | 3 | 3 | 35 | 21 | 28 |
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Current portion of long-term borrowings | - | 88 | 93 | 93 | 135 | 217 |
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Short-term borrowings | - | 45 | - | - | 100 | - |
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Accounts payable - other | - | 355 | 301 | 304 | 365 | 351 |
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Current portion of long-term borrowings | - | 88 | 93 | 93 | 135 | 217 |
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Accrued expenses | - | 53 | 58 | 59 | 66 | 169 |
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Accounts payable - other | - | 355 | 301 | 304 | 365 | 351 |
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Income taxes payable | - | 95 | 44 | 94 | 157 | 172 |
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Accrued expenses | - | 53 | 58 | 59 | 66 | 169 |
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Accrued consumption taxes | - | 128 | 234 | 103 | 132 | 141 |
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Income taxes payable | - | 95 | 44 | 94 | 157 | 172 |
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Accrued consumption taxes | - | 128 | 234 | 103 | 132 | 141 |
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Provision for bonuses | - | 80 | 104 | 109 | 126 | 162 |
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Provision for bonuses for directors (and other officers) | - | - | - | - | - | 3 |
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Current liabilities | - | 873 | 853 | 818 | 1,126 | 1,271 |
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Other | - | 19 | 17 | 20 | 24 | 29 |
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Current liabilities | - | 873 | 853 | 818 | 1,126 | 1,271 |
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Long-term borrowings | - | 70 | 266 | 173 | 311 | 424 |
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Retirement benefit liability | - | 69 | 81 | 105 | 125 | 142 |
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Provision for retirement benefits for directors (and other officers) | - | 3 | 18 | 32 | 59 | - |
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Other | - | - | - | - | - | 64 |
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Non-current liabilities | - | 171 | 365 | 311 | 494 | 630 |
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Liabilities | - | 1,044 | 1,218 | 1,128 | 1,620 | 1,901 |
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Share capital | - | 100 | 118 | 194 | 194 | 194 |
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Capital surplus | - | 10 | 28 | 104 | 104 | 101 |
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Capital surplus | - | 10 | 28 | 104 | 104 | 101 |
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Retained earnings | - | 281 | 491 | 767 | 1,016 | 1,368 |
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Retained earnings | - | 281 | 491 | 767 | 1,016 | 1,368 |
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Treasury shares | - | - | - | -0 | -406 | -592 |
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Shareholders' equity | - | 391 | 637 | 1,064 | 908 | 1,072 |
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Valuation difference on available-for-sale securities | - | - | - | - | - | -19 |
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Valuation and translation adjustments | - | 0 | - | - | - | -19 |
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Share acquisition rights | - | 0 | - | - | 8 | 9 |
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Net assets | 228 | 392 | 637 | 1,064 | 916 | 1,062 |
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Liabilities and net assets | - | 1,435 | 1,855 | 2,192 | 2,536 | 2,963 |
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