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| 1997 | 1996 | CHANGE | |
| Sales of services | $3,852,935 | $3,302,303 | +17% |
| Earnings before income taxes | 136,980 | 122,909 | +11% |
| Income taxes | 56,200 | 49,900 | +13% |
| Net earnings | 80,780 | 73,009 | +11% |
| Basic earnings per share | 2.12 | 1.92 | +10% |
| Diluted earnings per share | 2.12 | 1.91 | +11% |
| Dividends per share | .87 | .83 | + 5% |
| Cash dividends | 33,150 | 31,579 | + 5% |
| Working capital | 363,572 | 336,606 | + 8% |
| Stockholders' equity | 559,829 | 516,899 | + 8% |
| Total assets | 967,229 | 838,879 | +15% |