<ARTICLE> 5 <MULTIPLIER> 1,000 <PERIOD-TYPE> 6-MOS <FISCAL-YEAR-END> DEC-31-1997 <PERIOD-END> JUN-30-1997 <CASH> 4,184 <SECURITIES> 25,168 <RECEIVABLES> 184,023 <ALLOWANCES> 0 <INVENTORY> 127,728 <CURRENT-ASSETS> 354,230 <PP&E> 424,342 <DEPRECIATION> 205,070 <TOTAL-ASSETS> 768,520 <CURRENT-LIABILITIES> 324,990 <BONDS> 0 <COMMON> 56,988 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <OTHER-SE> 60,840 <TOTAL-LIABILITY-AND-EQUITY> 768,520 <SALES> 371,337 <TOTAL-REVENUES> 371,337 <CGS> 165,439 <TOTAL-COSTS> 165,439 <OTHER-EXPENSES> 266,914 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 14,183 <INCOME-PRETAX> (72,033) <INCOME-TAX> 9,348 <INCOME-CONTINUING> (81,381) <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> (81,381) <EPS-PRIMARY> (1.87) <EPS-DILUTED> (1.87)