<ARTICLE> 5 <PERIOD-TYPE> 6-MOS <FISCAL-YEAR-END> DEC-31-1999 <PERIOD-END> DEC-31-1999 <CASH> 3,270 <SECURITIES> 0 <RECEIVABLES> 52,282 <ALLOWANCES> 1,023 <INVENTORY> 35,027 <CURRENT-ASSETS> 96,887 <PP&E> 244,034 <DEPRECIATION> 82,223 <TOTAL-ASSETS> 261,932 <CURRENT-LIABILITIES> 40,871 <BONDS> 49,300 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 19,988 <OTHER-SE> 133,024 <TOTAL-LIABILITY-AND-EQUITY> 261,932 <SALES> 177,525 <TOTAL-REVENUES> 177,525 <CGS> 130,416 <TOTAL-COSTS> 149,766 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 521 <INCOME-PRETAX> 28,127 <INCOME-TAX> 10,647 <INCOME-CONTINUING> 17,480 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 17,480 <EPS-BASIC> 0.89 <EPS-DILUTED> 0.87