<ARTICLE> 5 <MULTIPLIER>1,000 <PERIOD-TYPE> 3-MOS <FISCAL-YEAR-END> DEC-31-1998 <PERIOD-END> Mar-31-1998 <CASH> 48,908 <SECURITIES> 0 <RECEIVABLES> 286,807 <ALLOWANCES> 0 <INVENTORY> 295,862 <CURRENT-ASSETS> 671,792 <PP&E> 592,296 <DEPRECIATION> 317,471 <TOTAL-ASSETS> 1,270,376 <CURRENT-LIABILITIES> 308,528 <BONDS> 281,783 <COMMON> 45,645 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <OTHER-SE> 514,029 <TOTAL-LIABILITY-AND-EQUITY> 1,270,376 <SALES> 526,817 <TOTAL-REVENUES> 526,817 <CGS> 379,989 <TOTAL-COSTS> 474,442 <OTHER-EXPENSES> (77) <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 5,398 <INCOME-PRETAX> 46,900 <INCOME-TAX> 17,001 <INCOME-CONTINUING> 29,899 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 29,899 <EPS-PRIMARY> .66 <EPS-DILUTED> .65