<TABLE> <S> <C>
<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
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-2000
<PERIOD-END> JUN-30-2000
<CASH> 88,098
<SECURITIES> 123,239
<RECEIVABLES> 237,795
<ALLOWANCES> (15,682)
<INVENTORY> 181,718
<CURRENT-ASSETS> 736,500
<PP&E> 978,160
<DEPRECIATION> (770,363)
<TOTAL-ASSETS> 1,077,496
<CURRENT-LIABILITIES> 324,168
<BONDS> 12
0
0
<COMMON> 429
<OTHER-SE> 715,664
<TOTAL-LIABILITY-AND-EQUITY> 1,077,496
<SALES> 637,882
<TOTAL-REVENUES> 637,882
<CGS> 440,469
<TOTAL-COSTS> 440,469
<OTHER-EXPENSES> 165,321
<LOSS-PROVISION> 0
<INTEREST-EXPENSE> 851
<INCOME-PRETAX> 44,009
<INCOME-TAX> 9,683
<INCOME-CONTINUING> 34,326
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> 34,326
<EPS-BASIC> 0.97
<EPS-DILUTED> 0.95
</TABLE>