<ARTICLE> 5 <LEGEND> THIS SCHEDULE CONTAINS SUMMARY 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> JUN-30-1999 <CASH> 45,378 <SECURITIES> 107,573 <RECEIVABLES> 269,792 <ALLOWANCES> (16,741) <INVENTORY> 197,127 <CURRENT-ASSETS> 786,249 <PP&E> 970,479 <DEPRECIATION> (765,429) <TOTAL-ASSETS> 1,129,713 <CURRENT-LIABILITIES> 368,088 <BONDS> 1,152 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 419 <OTHER-SE> 706,373 <TOTAL-LIABILITY-AND-EQUITY> 1,129,713 <SALES> 354,188 <TOTAL-REVENUES> 354,188 <CGS> 246,506 <TOTAL-COSTS> 246,506 <OTHER-EXPENSES> 90,981 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 999 <INCOME-PRETAX> 17,700 <INCOME-TAX> 7,015 <INCOME-CONTINUING> 10,685 <DISCONTINUED> 2,004 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 12,689 <EPS-BASIC> 0.34 <EPS-DILUTED> 0.34