<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
CONSOLIDATED FINANCIAL STATEMENTS AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE
TO SUCH CONSOLIDATED FINANCIAL STATEMENTS AND NOTES.
</LEGEND>
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-1999
<PERIOD-END>                               MAR-31-1999
<CASH>                                          46,912
<SECURITIES>                                    81,936
<RECEIVABLES>                                  356,683
<ALLOWANCES>                                   (17,746)
<INVENTORY>                                    259,493
<CURRENT-ASSETS>                               834,449
<PP&E>                                       1,222,632
<DEPRECIATION>                                (997,113)
<TOTAL-ASSETS>                               1,220,130
<CURRENT-LIABILITIES>                          402,977
<BONDS>                                          2,255
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                           419
<OTHER-SE>                                     721,378
<TOTAL-LIABILITY-AND-EQUITY>                 1,220,130
<SALES>                                        401,974
<TOTAL-REVENUES>                               401,974
<CGS>                                          285,400
<TOTAL-COSTS>                                  285,400
<OTHER-EXPENSES>                               107,000
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                 800
<INCOME-PRETAX>                                 10,700
<INCOME-TAX>                                     4,600
<INCOME-CONTINUING>                              6,100
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                     6,100
<EPS-PRIMARY>                                     0.16
<EPS-DILUTED>                                     0.16