<ARTICLE>                     5
<LEGEND>
This schedule  contains summary  financial  information  extracted from SEC Form
10-Q and is qualified in its entirety by reference to such financial statements.

</LEGEND>
<MULTIPLIER>   1,000
       


                                                             
<PERIOD-TYPE>                                   3-MOS                      9-MOS
<FISCAL-YEAR-END>                           DEC-31-1997              DEC-31-1997
<PERIOD-START>                              JUL-01-1997              JAN-01-1997
<PERIOD-END>                                SEP-30-1997              SEP-30-1997

<CASH>                                 $      270,413              $    270,413
<SECURITIES>                                        0                         0
<RECEIVABLES>                                 332,694                   332,694
<ALLOWANCES>                                        0                         0
<INVENTORY>                                   123,471                   123,471
<CURRENT-ASSETS>                              752,143                   752,143
<PP&E>                                        369,167                   369,167
<DEPRECIATION>                                (68,265)                  (68,265)
<TOTAL-ASSETS>                              1,292,752                 1,292,752
<CURRENT-LIABILITIES>                         298,033                   298,033
<BONDS>                                             0                         0
<PREFERRED-MANDATORY>                               0                         0
<PREFERRED>                                         1                         1
<COMMON>                                          387                       387
<OTHER-SE>                                    513,828                   513,828
<TOTAL-LIABILITY-AND-EQUITY>                1,292,752                 1,292,752
<SALES>                                       177,397                   496,594
<TOTAL-REVENUES>                              177,397                   496,594
<CGS>                                          77,309                   228,070
<TOTAL-COSTS>                                  77,309                   228,070
<OTHER-EXPENSES>                                    0                         0
<LOSS-PROVISION>                                  649                     2,235
<INTEREST-EXPENSE>                              5,950                    13,332
<INCOME-PRETAX>                                40,559                    79,264
<INCOME-TAX>                                     (521)                  (12,311)
<INCOME-CONTINUING>                                 0                         0
<DISCONTINUED>                                      0                         0
<EXTRAORDINARY>                                     0                         0
<CHANGES>                                           0                         0
<NET-INCOME>                                   34,557                    78,137
 
<EPS-PRIMARY>                                     .79                      1.79
<EPS-DILUTED>                                     .73                      1.66