<ARTICLE> 5 <LEGEND> This schedule contains summary financial information extracted from Form 10-K for the period ended December 31, 1997 and is qualified in its entirety by reference to such financial statements. </LEGEND> <MULTIPLIER> 1,000 <FISCAL-YEAR-END> DEC-31-1997 <PERIOD-START> JAN-01-1997 <PERIOD-END> DEC-31-1997 <PERIOD-TYPE> 12-MOS <CASH> 21,753 <SECURITIES> 0 <RECEIVABLES> 128,962 <ALLOWANCES> 6,242 <INVENTORY> 45,958 <CURRENT-ASSETS> 206,946 <PP&E> 507,629 <DEPRECIATION> 203,440 <TOTAL-ASSETS> 561,637 <CURRENT-LIABILITIES> 156,558 <BONDS> 240,612 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 223 <OTHER-SE> (94,462) <TOTAL-LIABILITY-AND-EQUITY> 561,637 <SALES> 652,977 <TOTAL-REVENUES> 652,977 <CGS> 451,442 <TOTAL-COSTS> 451,442 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 890 <INTEREST-EXPENSE> 21,602 <INCOME-PRETAX> 92,660 <INCOME-TAX> 36,345 <INCOME-CONTINUING> 56,315 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 56,315 <EPS-PRIMARY> 2.63 <EPS-DILUTED> 2.50