| Apr 30,
2016 | Apr 30,
2017 | Apr 30,
2018 | Apr 30,
2019 | Apr 30,
2020 | Apr 30,
2021 | Apr 30,
2022 | Apr 30,
2023 |
|---|
| Cash and deposits | - | 372 | 430 | 2,722 | 3,170 | 3,611 | 3,767 | 3,957 |
|---|
| Accounts receivable - trade | - | 78 | 75 | 114 | 101 | 143 | 399 | 553 |
|---|
| Merchandise | - | 31 | 33 | 74 | 186 | 105 | 377 | 452 |
|---|
| Prepaid expenses | - | - | - | 13 | 19 | 34 | 96 | 103 |
|---|
| Other | - | 12 | 15 | 0 | 1 | 51 | 4 | 96 |
|---|
| Allowance for doubtful accounts | - | - | -2 | -1 | -1 | -1 | -0 | -1 |
|---|
| Current assets | - | 495 | 559 | 2,922 | 3,477 | 3,943 | 4,760 | 5,160 |
|---|
| Buildings, net | - | 31 | 43 | 111 | 205 | 144 | 105 | 88 |
|---|
| Tools, furniture and fixtures, net | - | 1 | 3 | 4 | 4 | 2 | - | 40 |
|---|
| Property, plant and equipment | - | 33 | 46 | 115 | 209 | 146 | 113 | 128 |
|---|
| Goodwill | - | - | - | - | - | - | - | 16 |
|---|
| Trademark right | - | - | - | 1 | 1 | 1 | - | 1 |
|---|
| Software | - | 37 | 92 | 105 | 125 | 142 | 149 | 211 |
|---|
| Software in progress | - | 9 | 2 | 8 | 8 | 44 | 72 | 84 |
|---|
| Other | - | - | 1 | - | - | - | 1 | 21 |
|---|
| Intangible assets | - | 46 | 94 | 114 | 134 | 187 | 222 | 333 |
|---|
| Investment securities | - | - | - | - | - | 20 | 10 | 30 |
|---|
| Investments in capital | - | - | - | 0 | 0 | 0 | - | 0 |
|---|
| Leasehold deposits | - | 28 | 77 | 76 | 203 | 170 | 192 | 249 |
|---|
| Long-term prepaid expenses | - | - | - | 2 | 0 | 0 | - | 13 |
|---|
| Deferred tax assets | - | - | - | 13 | 33 | 34 | 55 | 241 |
|---|
| Other | - | 9 | 3 | - | - | - | 15 | 3 |
|---|
| Allowance for doubtful accounts | - | - | - | - | - | - | -11 | - |
|---|
| Investments and other assets | - | 47 | 98 | 91 | 236 | 223 | 261 | 536 |
|---|
| Non-current assets | - | 125 | 238 | 321 | 579 | 556 | 596 | 997 |
|---|
| Assets | - | 620 | 796 | 3,242 | 4,055 | 4,499 | 5,357 | 6,157 |
|---|
| Accounts payable - trade | - | 43 | 46 | 83 | 93 | 124 | 184 | 191 |
|---|
| Accounts payable - other | - | 34 | 38 | 54 | 191 | 102 | 277 | 254 |
|---|
| Accrued expenses | - | - | - | 29 | 35 | 30 | - | 72 |
|---|
| Income taxes payable | - | 36 | 82 | 70 | 191 | 181 | 105 | 171 |
|---|
| Accrued consumption taxes | - | - | - | 30 | 64 | 80 | - | 112 |
|---|
| Advances received | - | - | - | 36 | 44 | 192 | 299 | 469 |
|---|
| Deposits received | - | - | - | 25 | 29 | 32 | - | 60 |
|---|
| Provision for share awards for directors (and other officers) | - | - | - | - | - | - | - | 30 |
|---|
| Provision for share awards | - | - | - | - | - | - | - | 25 |
|---|
| Asset retirement obligations | - | - | 7 | - | - | - | 6 | 5 |
|---|
| Other | - | 54 | 92 | 0 | 0 | 0 | 92 | 0 |
|---|
| Current liabilities | - | 217 | 276 | 424 | 647 | 742 | 963 | 1,389 |
|---|
| Asset retirement obligations | - | 10 | 7 | 49 | 87 | 81 | 84 | 87 |
|---|
| Non-current liabilities | - | 120 | 21 | 49 | 87 | 81 | 84 | 87 |
|---|
| Liabilities | - | 337 | 298 | 473 | 734 | 823 | 1,047 | 1,476 |
|---|
| Share capital | - | 106 | 106 | 1,095 | 1,098 | 1,142 | 1,150 | 1,151 |
|---|
| Legal capital surplus | - | - | - | 1,066 | 1,068 | 1,112 | - | 1,121 |
|---|
| Other capital surplus | - | - | - | - | - | - | - | 13 |
|---|
| Capital surplus | - | 77 | 77 | 1,066 | 1,068 | 1,112 | 1,140 | 1,134 |
|---|
| Retained earnings brought forward | - | - | - | 608 | 1,155 | 1,739 | - | 3,072 |
|---|
| Retained earnings | - | 101 | 317 | 608 | 1,155 | 1,739 | 2,297 | 3,072 |
|---|
| Treasury shares | - | - | - | - | -0 | -316 | -277 | -675 |
|---|
| Shareholders' equity | - | 284 | 500 | 2,769 | 3,321 | 3,677 | 4,310 | 4,681 |
|---|
| Net assets | 15 | 283 | 499 | 2,769 | 3,321 | 3,677 | 4,310 | 4,681 |
|---|
| Liabilities and net assets | - | 620 | 796 | 3,242 | 4,055 | 4,499 | 5,357 | 6,157 |
|---|