<ARTICLE> 5 <MULTIPLIER> 1,000 <PERIOD-TYPE> 6-MOS <FISCAL-YEAR-END> DEC-31-1999 <PERIOD-START> JAN-01-1999 <PERIOD-END> JUN-30-1999 <CASH> 10,597 <SECURITIES> 3,925 <RECEIVABLES> 154,970 <ALLOWANCES> 0 <INVENTORY> 138,685 <CURRENT-ASSETS> 346,288 <PP&E> 632,293 <DEPRECIATION> (126,332) <TOTAL-ASSETS> 1,301,415 <CURRENT-LIABILITIES> 219,647 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 490 <OTHER-SE> 336,793 <TOTAL-LIABILITY-AND-EQUITY> 1,301,415 <SALES> 879,463 <TOTAL-REVENUES> 879,463 <CGS> 674,522 <TOTAL-COSTS> 802,918 <OTHER-EXPENSES> (704) <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 26,816 <INCOME-PRETAX> 50,433 <INCOME-TAX> 20,677 <INCOME-CONTINUING> 29,756 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 29,756 <EPS-BASIC> 0.61 <EPS-DILUTED> 0.56