<ARTICLE>     5
<LEGEND>      THIS SCHEDULE CONTAINS SUMMARY FINANCIAL
              INFORMATION EXTRACTED FROM THE REGISTRANT'S
              FINANCIAL STATEMENTS FOR ITS SECOND QUARTER
              YEAR-TO-DATE OF FISCAL YEAR 1997 AND IS QUALIFIED
              IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL
              STATEMENTS
       

                           
<PERIOD-TYPE>                 6-MOS
<FISCAL-YEAR-END>             Dec-31-1997
<PERIOD-END>                  Jun-30-1997
<CASH>                        101,134
<SECURITIES>                        0
<RECEIVABLES>                  63,694
<ALLOWANCES>                        0
<INVENTORY>                    13,765
<CURRENT-ASSETS>              181,956
<PP&E>                         16,059
<DEPRECIATION>                      0
<TOTAL-ASSETS>                208,802
<CURRENT-LIABILITIES>          69,784
<BONDS>                             0
<COMMON>                          150
<PREFERRED-MANDATORY>               0
<PREFERRED>                         0
<OTHER-SE>                    109,772
<TOTAL-LIABILITY-AND-EQUITY>  208,802
<SALES>                        41,900
<TOTAL-REVENUES>              121,231
<CGS>                          22,763
<TOTAL-COSTS>                  78,598
<OTHER-EXPENSES>               20,714
<LOSS-PROVISION>                    0
<INTEREST-EXPENSE>                 75
<INCOME-PRETAX>                21,844
<INCOME-TAX>                    2,550
<INCOME-CONTINUING>                 0
<DISCONTINUED>                      0
<EXTRAORDINARY>                     0
<CHANGES>                           0
<NET-INCOME>                   19,294
<EPS-PRIMARY>                    1.42
<EPS-DILUTED>                    1.42