<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM FORM 10-K
FOR THE YEARS ENDED DECEMBER 31, 1997 AND 1996 AND IS QUALIFIED IN ITS ENTIRETY
BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
<CURRENCY> U.S. DOLLARS
       
                             
<PERIOD-TYPE>                   YEAR
<FISCAL-YEAR-END>                          DEC-31-1995
<PERIOD-START>                             JAN-01-1995
<PERIOD-END>                               DEC-31-1995
<EXCHANGE-RATE>                                      1
<CASH>                                          15,698
<SECURITIES>                                    30,989
<RECEIVABLES>                                  197,145
<ALLOWANCES>                                         0
<INVENTORY>                                     91,002
<CURRENT-ASSETS>                               376,212
<PP&E>                                         177,573
<DEPRECIATION>                                  93,501
<TOTAL-ASSETS>                                 749,795
<CURRENT-LIABILITIES>                          189,078
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                        57,367     
<OTHER-SE>                                     450,313
<TOTAL-LIABILITY-AND-EQUITY>                   749,795
<SALES>                                        553,622
<TOTAL-REVENUES>                               863,409
<CGS>                                          348,560
<TOTAL-COSTS>                                  568,978
<OTHER-EXPENSES>                               187,620
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                   0
<INCOME-PRETAX>                                113,223
<INCOME-TAX>                                    37,014
<INCOME-CONTINUING>                             76,209
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    76,209
<EPS-PRIMARY>                                     1.11
<EPS-DILUTED>                                     1.10