<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, 2000, RESPECTIVELY, AND IS QUALIFIED IN ITS
ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.  AMOUNTS ARE IN
THOUSANDS OF DOLLARS EXCEPT PER SHARE DATA.
</LEGEND>
<MULTIPLIER> 1,000

                             
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                              DEC-31-2000
<PERIOD-START>                                 JAN-01-2000
<PERIOD-END>                                   MAR-31-2000
<CASH>                                         69,573
<SECURITIES>                                   10,870
<RECEIVABLES>                                  190,233
<ALLOWANCES>                                   19,001
<INVENTORY>                                    121,570
<CURRENT-ASSETS>                               431,523
<PP&E>                                         506,698
<DEPRECIATION>                                 311,285
<TOTAL-ASSETS>                                 720,512
<CURRENT-LIABILITIES>                          147,649
<BONDS>                                        111,278
<PREFERRED-MANDATORY>                          0
<PREFERRED>                                    0
<COMMON>                                       20,772
<OTHER-SE>                                     454,568
<TOTAL-LIABILITY-AND-EQUITY>                   737,433
<SALES>                                        224,289
<TOTAL-REVENUES>                               228,157
<CGS>                                          136,841
<TOTAL-COSTS>                                  136,841
<OTHER-EXPENSES>                               71,613
<LOSS-PROVISION>                               1,105
<INTEREST-EXPENSE>                             2,289
<INCOME-PRETAX>                                17,414
<INCOME-TAX>                                   7,401
<INCOME-CONTINUING>                            10,013
<DISCONTINUED>                                 0
<EXTRAORDINARY>                                0
<CHANGES>                                      0
<NET-INCOME>                                   10,013
<EPS-BASIC>                                  0.48
<EPS-DILUTED>                                  0.48