<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. </LEGEND> <MULTIPLIER> 1000 <PERIOD-TYPE> YEAR 3-MOS <FISCAL-YEAR-END> DEC-31-1997 DEC-31-1998 <PERIOD-START> JAN-01-1997 JAN-01-1998 <PERIOD-END> DEC-31-1997 MAR-31-1998 <CASH> 17,285 3,346 <SECURITIES> 0 0 <RECEIVABLES> 169,706 118,428 <ALLOWANCES> 3,247 3,247 <INVENTORY> 96,636 97,207 <CURRENT-ASSETS> 289,172 228,025 <PP&E> 768,883 835,184 <DEPRECIATION> 119,103 132,511 <TOTAL-ASSETS> 1,017,653 999,541 <CURRENT-LIABILITIES> 385,998 369,044 <BONDS> 507,043 482,962 <PREFERRED-MANDATORY> 0 0 <PREFERRED> 0 0 <COMMON> 1 1 <OTHER-SE> 37,230 54,456 <TOTAL-LIABILITY-AND-EQUITY> 1,017,653 999,541 <SALES> 2,147,451 583,285 <TOTAL-REVENUES> 2,147,451 583,285 <CGS> 1,927,364 522,279 <TOTAL-COSTS> 1,927,364 522,279 <OTHER-EXPENSES> 103,954 24,699 <LOSS-PROVISION> 1,000 0 <INTEREST-EXPENSE> 8,956 9,981 <INCOME-PRETAX> 94,197 26,891 <INCOME-TAX> 38,933 9,968 <INCOME-CONTINUING> 55,264 16,923 <DISCONTINUED> 0 0 <EXTRAORDINARY> 0 0 <CHANGES> 0 0 <NET-INCOME> 55,264 16,923 <EPS-PRIMARY> 2,917 2,061 <EPS-DILUTED> 1,723 1,651