<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> 9-MOS <FISCAL-YEAR-END> DEC-31-1999 <PERIOD-END> SEP-30-1999 <CASH> 46,521 <SECURITIES> 120,691 <RECEIVABLES> 275,916 <ALLOWANCES> (18,807) <INVENTORY> 215,907 <CURRENT-ASSETS> 775,166 <PP&E> 975,385 <DEPRECIATION> (764,411) <TOTAL-ASSETS> 1,141,684 <CURRENT-LIABILITIES> 369,137 <BONDS> 1,207 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 419 <OTHER-SE> 719,544 <TOTAL-LIABILITY-AND-EQUITY> 1,141,684 <SALES> 1,041,433 <TOTAL-REVENUES> 1,041,433 <CGS> 719,908 <TOTAL-COSTS> 719,908 <OTHER-EXPENSES> 277,412 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 1,413 <INCOME-PRETAX> 46,554 <INCOME-TAX> 18,600 <INCOME-CONTINUING> 27,954 <DISCONTINUED> 1,630 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 29,584 <EPS-BASIC> 0.79 <EPS-DILUTED> 0.78