| Mar 31,
2013 | Mar 31,
2014 | Mar 31,
2015 |
|---|
| Income (loss) before income taxes | 749 | 229 | 226 |
|---|
| Depreciation | 84 | 83 | 67 |
|---|
| Amortization of goodwill | 80 | 47 | 24 |
|---|
| Amortization of deferred organization expenses | 1 | 3 | 3 |
|---|
| Amortization of business commencement expenses | 1 | 1 | 1 |
|---|
| Increase (decrease) in allowance for doubtful accounts | 6 | 4 | -10 |
|---|
| Increase (decrease) in provision for bonuses | -5 | -11 | 2 |
|---|
| Increase (decrease) in provision for directors' retirement benefits | 8 | -15 | -2 |
|---|
| Increase (decrease) in net defined benefit liability | - | -1 | -0 |
|---|
| Increase (decrease) in provision for loss on business liquidation | - | - | 65 |
|---|
| Share-based compensation expenses | 9 | 2 | 1 |
|---|
| Loss (gain) on sales of property, plant and equipment | - | - | 1 |
|---|
| Surrender value of insurance | - | - | -47 |
|---|
| Loss on liquidation of subsidiaries | - | 51 | - |
|---|
| Business structure improvement expenses | - | - | 19 |
|---|
| Interest and dividend income | -4 | -3 | -4 |
|---|
| Interest expenses | 5 | 5 | 5 |
|---|
| Decrease (increase) in notes and accounts receivable - trade | -291 | -3 | 46 |
|---|
| Decrease (increase) in inventories | -15 | -24 | 10 |
|---|
| Decrease (increase) in prepaid expenses | -24 | -5 | 12 |
|---|
| Increase (decrease) in notes and accounts payable - trade | -60 | 62 | -57 |
|---|
| Increase (decrease) in accounts payable - other and accrued expenses | -16 | -129 | 8 |
|---|
| Increase (decrease) in accrued consumption taxes | -59 | -5 | 484 |
|---|
| Other, net | -53 | -36 | -17 |
|---|
| Subtotal | 176 | 522 | 1,051 |
|---|
| Interest and dividend income received | 3 | 4 | 4 |
|---|
| Interest expenses paid | -5 | -5 | -5 |
|---|
| Income taxes paid | -365 | -148 | -193 |
|---|
| Net cash provided by (used in) operating activities | -190 | 372 | 857 |
|---|
| Proceeds from withdrawal of time deposits | - | 200 | - |
|---|
| Purchase of investment securities | -31 | -1 | -101 |
|---|
| Proceeds from sales of investment securities | - | - | 100 |
|---|
| Purchase of shares of subsidiaries | - | -31 | - |
|---|
| Proceeds from sales of shares of subsidiaries | - | 6 | - |
|---|
| Purchase of shares of subsidiaries resulting in change in scope of consolidation | - | -7 | - |
|---|
| Purchase of property, plant and equipment | -33 | -90 | -25 |
|---|
| Proceeds from sales of property, plant and equipment | 5 | - | 0 |
|---|
| Purchase of intangible assets | -13 | -31 | -7 |
|---|
| Purchase of long-term prepaid expenses | -2 | -0 | -0 |
|---|
| Proceeds from cancellation of insurance funds | - | - | 115 |
|---|
| Payments for guarantee deposits | -12 | -14 | -12 |
|---|
| Proceeds from collection of guarantee deposits | 10 | 3 | 41 |
|---|
| Other, net | -14 | -5 | -4 |
|---|
| Net cash provided by (used in) investing activities | -89 | 29 | 107 |
|---|
| Cash dividends paid | -102 | -107 | -107 |
|---|
| Other, net | - | 3 | 2 |
|---|
| Net cash provided by (used in) financing activities | -102 | -104 | -105 |
|---|
| Net increase (decrease) in cash and cash equivalents | -382 | 297 | 858 |
|---|