<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM FORM 10-K
FOR THE YEAR ENDED DECEMBER 31, 1997 AND IS QUALIFIED IN ITS ENTIRETY BY
REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   YEAR
<FISCAL-YEAR-END>                          DEC-31-1996
<PERIOD-START>                             JAN-01-1996
<PERIOD-END>                               DEC-31-1996
<CASH>                                          21,885
<SECURITIES>                                    43,249
<RECEIVABLES>                                  256,572
<ALLOWANCES>                                         0
<INVENTORY>                                    109,432
<CURRENT-ASSETS>                               487,523
<PP&E>                                         203,103
<DEPRECIATION>                                 107,169
<TOTAL-ASSETS>                                 859,101
<CURRENT-LIABILITIES>                          228,220
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                        86,246
<OTHER-SE>                                     489,324
<TOTAL-LIABILITY-AND-EQUITY>                   859,101
<SALES>                                        679,053
<TOTAL-REVENUES>                             1,030,191
<CGS>                                          421,261
<TOTAL-COSTS>                                  672,679
<OTHER-EXPENSES>                               217,148
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                   0
<INCOME-PRETAX>                                146,504
<INCOME-TAX>                                    49,079
<INCOME-CONTINUING>                             97,425
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    97,425
<EPS-PRIMARY>                                     1.42
<EPS-DILUTED>                                     1.40