| Revenue | 2019-01-31 | 2018-01-31 | 2017-01-31 | 2016-01-31 |
| Total Revenue | 514,405,000 | 500,343,000 | 485,873,000 | 482,130,000 |
| Cost of Revenue | 385,301,000 | 373,396,000 | 361,256,000 | 360,984,000 |
| Gross Profit | 129,104,000 | 126,947,000 | 124,617,000 | 121,146,000 |
| Operating Expenses |
| Research Development | - | - | - | - |
| Selling General and Administrative | 106,987,000 | 104,698,000 | 101,853,000 | 97,041,000 |
| Non Recurring | - | - | - | - |
| Others | - | - | - | - |
| Total Operating Expenses | 492,288,000 | 478,094,000 | 463,109,000 | 458,025,000 |
| Operating Income or Loss | 22,117,000 | 22,249,000 | 22,764,000 | 24,105,000 |
| Income from Continuing Operations |
| Total Other Income/Expenses Net | -10,657,000 | -7,126,000 | -2,267,000 | -2,467,000 |
| Earnings Before Interest and Taxes | 22,117,000 | 22,249,000 | 22,764,000 | 24,105,000 |
| Interest Expense | -2,346,000 | -2,330,000 | -2,367,000 | -2,548,000 |
| Income Before Tax | 11,460,000 | 15,123,000 | 20,497,000 | 21,638,000 |
| Income Tax Expense | 4,281,000 | 4,600,000 | 6,204,000 | 6,558,000 |
| Minority Interest | 7,138,000 | 2,953,000 | 2,737,000 | 3,065,000 |
| Net Income From Continuing Ops | 7,179,000 | 10,523,000 | 14,293,000 | 15,080,000 |
| Non-recurring Events |
| Discontinued Operations | - | - | - | - |
| Extraordinary Items | - | - | - | - |
| Effect Of Accounting Changes | - | - | - | - |
| Other Items | - | - | - | - |
| Net Income |
| Net Income | 6,670,000 | 9,862,000 | 13,643,000 | 14,694,000 |
| Preferred Stock And Other Adjustments | - | - | - | - |
| Net Income Applicable To Common Shares | 6,670,000 | 9,862,000 | 13,643,000 | 14,694,000 |