<ARTICLE> 5
<MULTIPLIER> 1,000
<CURRENCY> U.S. DOLLARS
       
                             
<PERIOD-TYPE>                   YEAR
<FISCAL-YEAR-END>                          DEC-31-1997
<PERIOD-START>                             JAN-01-1997
<PERIOD-END>                               DEC-31-1997
<EXCHANGE-RATE>                                      1
<CASH>                                          26,858
<SECURITIES>                                     9,000
<RECEIVABLES>                                   92,113
<ALLOWANCES>                                     1,847
<INVENTORY>                                          0
<CURRENT-ASSETS>                               146,119
<PP&E>                                          92,656
<DEPRECIATION>                                  49,671
<TOTAL-ASSETS>                                 359,971
<CURRENT-LIABILITIES>                           77,238
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                         1,464
<OTHER-SE>                                     126,281
<TOTAL-LIABILITY-AND-EQUITY>                   359,971
<SALES>                                        417,321
<TOTAL-REVENUES>                               417,321
<CGS>                                          280,765
<TOTAL-COSTS>                                  280,765
<OTHER-EXPENSES>                                76,441<F3>
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                               6,649
<INCOME-PRETAX>                                 53,466
<INCOME-TAX>                                    24,522
<INCOME-CONTINUING>                             28,944
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    28,944
<EPS-PRIMARY>                                     1.95<F1>
<EPS-DILUTED>                                     1.92<F2>
<FN>
<F1>PRO FORMA EARNINGS PER SHARE - BASIC
<F2>PRO FORMA EARNINGS PER SHARE - DILUTED
<F3>CONSISTS OF SG&A OF $84,270, CHARGE FOR UNUSUAL ITEMS OF $6,209, LESS GAIN
    ON SALE OF BUSINESS UNIT OF $14,038.
</FN>