<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
UNAUDITED CONSOLIDATED CONDENSED STATEMENT OF EARNINGS AND THE
UNAUDITED CONSOLIDATED CONDENSED BALANCE SHEETS OF THE REGISTRANT FOR
THE THREE MONTHS ENDED MARCH 31, 1996 AND IS QUALIFIED IN ITS ENTIRETY BY
REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-1996
<PERIOD-START>                             JAN-01-1996
<PERIOD-END>                               MAR-31-1996
<CASH>                                          54,529
<SECURITIES>                                    13,094
<RECEIVABLES>                                  180,389
<ALLOWANCES>                                    12,291
<INVENTORY>                                     57,491
<CURRENT-ASSETS>                               338,814
<PP&E>                                         386,147
<DEPRECIATION>                                 242,397
<TOTAL-ASSETS>                                 557,292
<CURRENT-LIABILITIES>                          116,644
<BONDS>                                         10,339
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                        24,205
<OTHER-SE>                                     386,092
<TOTAL-LIABILITY-AND-EQUITY>                   557,292
<SALES>                                        170,303
<TOTAL-REVENUES>                               174,037
<CGS>                                          104,008
<TOTAL-COSTS>                                  104,008
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                   389
<INTEREST-EXPENSE>                                 286
<INCOME-PRETAX>                                 25,690
<INCOME-TAX>                                     9,824
<INCOME-CONTINUING>                             15,866
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    15,866
<EPS-PRIMARY>                                     0.65
<EPS-DILUTED>                                     0.65