| Revenue | 12/31/2016 | 12/31/2015 | 12/31/2014 |
| Total Revenue | 383,400 | 426,800 | 425,800 |
| Cost of Revenue | 251,900 | 300,300 | 306,500 |
| Gross Profit | 131,500 | 126,500 | 119,300 |
| Operating Expenses |
| Research Development | - | - | - |
| Selling General and Administrative | 19,600 | 17,700 | 17,200 |
| Non Recurring | - | - | - |
| Others | 46,600 | 45,700 | 42,100 |
| Total Operating Expenses | - | - | - |
| Operating Income or Loss | 65,300 | 63,100 | 60,000 |
| Income from Continuing Operations |
| Total Other Income/Expenses Net | -300 | 500 | -400 |
| Earnings Before Interest and Taxes | 65,000 | 63,600 | 59,600 |
| Interest Expense | 22,500 | 21,900 | 20,900 |
| Income Before Tax | 42,500 | 41,700 | 38,700 |
| Income Tax Expense | 15,400 | 15,400 | 14,000 |
| Minority Interest | - | - | - |
| Net Income From Continuing Ops | 27,100 | 26,300 | 24,700 |
| Non-recurring Events |
| Discontinued Operations | - | - | - |
| Extraordinary Items | - | - | - |
| Effect Of Accounting Changes | - | - | - |
| Other Items | - | - | - |
| Net Income |
| Net Income | 27,100 | 26,300 | 24,700 |
| Preferred Stock And Other Adjustments | - | - | - |
| Net Income Applicable To Common Shares | 27,100 | 26,300 | 24,700 |
