| Mar 31,
2012 | Mar 31,
2013 | Mar 31,
2014 |
|---|
| Cash and deposits | - | 2,031 | 2,104 |
|---|
| Notes and accounts receivable - trade | - | 4,212 | 4,385 |
|---|
| Securities | - | 401 | 227 |
|---|
| Work in process | - | 261 | 162 |
|---|
| Raw materials and supplies | - | 12 | 14 |
|---|
| Deferred tax assets | - | 566 | 608 |
|---|
| Other | - | 4 | 9 |
|---|
| Allowance for doubtful accounts | - | -7 | -7 |
|---|
| Current assets | - | 7,636 | 7,882 |
|---|
| Buildings and structures | - | 920 | 926 |
|---|
| Accumulated depreciation | - | -568 | -608 |
|---|
| Buildings and structures, net | - | 352 | 317 |
|---|
| Machinery, equipment and vehicles | - | 341 | 341 |
|---|
| Accumulated depreciation | - | -224 | -250 |
|---|
| Machinery, equipment and vehicles, net | - | 117 | 91 |
|---|
| Tools, furniture and fixtures | - | 1,551 | 1,550 |
|---|
| Accumulated depreciation | - | -1,271 | -1,296 |
|---|
| Tools, furniture and fixtures | - | 254 | 230 |
|---|
| Land | - | 206 | 206 |
|---|
| Leased assets | - | 539 | 638 |
|---|
| Accumulated depreciation | - | -171 | -263 |
|---|
| Leased assets | - | 367 | 375 |
|---|
| Property, plant and equipment | - | 1,258 | 1,185 |
|---|
| Software | - | 734 | 464 |
|---|
| Other | - | 17 | 45 |
|---|
| Intangible assets | - | 749 | 507 |
|---|
| Investment securities | - | 679 | 920 |
|---|
| Lease and guarantee deposits | - | 983 | 1,030 |
|---|
| Deferred tax assets | - | 287 | 361 |
|---|
| Other | - | 25 | 88 |
|---|
| Allowance for doubtful accounts | - | -1 | -1 |
|---|
| Investments and other assets | - | 3,966 | 4,448 |
|---|
| Non-current assets | - | 4,213 | 4,360 |
|---|
| Assets | - | 13,609 | 14,022 |
|---|
| Accounts payable - trade | - | 407 | 417 |
|---|
| Accrued expenses | - | 1,052 | 1,055 |
|---|
| Income taxes payable | - | 277 | 317 |
|---|
| Provision for bonuses | - | 1,183 | 1,268 |
|---|
| Provision for product warranties | - | 1 | 1 |
|---|
| Other | - | 980 | 926 |
|---|
| Current liabilities | - | 4,337 | 4,560 |
|---|
| Lease obligations | - | 313 | 305 |
|---|
| Provision for retirement benefits | - | 649 | 734 |
|---|
| Net defined benefit liability | - | - | 843 |
|---|
| Long-term accounts payable - other | - | 52 | 41 |
|---|
| Non-current liabilities | - | 1,013 | 1,080 |
|---|
| Liabilities | - | 5,351 | 5,640 |
|---|
| Capital stock | - | 1,292 | 1,292 |
|---|
| Capital surplus | - | 1,494 | 1,494 |
|---|
| Retained earnings | - | 5,500 | 5,635 |
|---|
| Treasury shares | - | -116 | -105 |
|---|
| Shareholders' equity | - | 8,169 | 8,316 |
|---|
| Valuation difference on available-for-sale securities | - | 46 | 20 |
|---|
| Foreign currency translation adjustment | - | - | 5 |
|---|
| Remeasurements of defined benefit plans | - | - | -1 |
|---|
| Valuation and translation adjustments | - | 46 | 20 |
|---|
| Subscription rights to shares | - | 42 | 46 |
|---|
| Net assets | 8,025 | 8,258 | 8,382 |
|---|
| Liabilities and net assets | - | 13,609 | 14,022 |
|---|