<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
UNAUDITED CONDENSED CONSOLIDATED STATEMENT OF EARNINGS AND THE UNAUDITED
CONDENSED CONSOLIDATED BALANCE SHEETS OF THE REGISTRANT AS OF AND FOR THE THREE
MONTHS ENDED MARCH 31, 1998, RESPECTIVELY, AND IS QUALIFIED IN ITS ENTIRETY BY
REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-1998
<PERIOD-START>                             JAN-01-1998
<PERIOD-END>                               MAR-31-1998
<CASH>                                          95,055
<SECURITIES>                                    16,267
<RECEIVABLES>                                  216,520
<ALLOWANCES>                                    12,873
<INVENTORY>                                    121,624
<CURRENT-ASSETS>                               494,762
<PP&E>                                         471,028
<DEPRECIATION>                                 268,629
<TOTAL-ASSETS>                                 795,532
<CURRENT-LIABILITIES>                          204,187
<BONDS>                                        116,268
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                        22,819
<OTHER-SE>                                     445,266
<TOTAL-LIABILITY-AND-EQUITY>                   795,532
<SALES>                                        235,931
<TOTAL-REVENUES>                               239,772
<CGS>                                          140,249
<TOTAL-COSTS>                                  140,249
<OTHER-EXPENSES>                                81,528
<LOSS-PROVISION>                                   581
<INTEREST-EXPENSE>                               2,381
<INCOME-PRETAX>                                 15,614
<INCOME-TAX>                                     6,464
<INCOME-CONTINUING>                              9,150
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                     9,150
<EPS-PRIMARY>                                     0.40
<EPS-DILUTED>                                     0.40