<ARTICLE> 5 <MULTIPLIER> 1,000 <PERIOD-TYPE> 6-MOS <FISCAL-YEAR-END> DEC-31-1997 <PERIOD-START> JAN-01-1997 <PERIOD-END> JUN-30-1997 <CASH> 2,014 <SECURITIES> 78 <RECEIVABLES> 34,396 <ALLOWANCES> 3,086 <INVENTORY> 59,177 <CURRENT-ASSETS> 109,640 <PP&E> 268,246 <DEPRECIATION> 99,347 <TOTAL-ASSETS> 295,816 <CURRENT-LIABILITIES> 58,663 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 57,776 <OTHER-SE> 103,088 <TOTAL-LIABILITY-AND-EQUITY> 295,816 <SALES> 156,233 <TOTAL-REVENUES> 157,384 <CGS> 119,543 <TOTAL-COSTS> 119,543 <OTHER-EXPENSES> (229) <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 304 <INCOME-PRETAX> 29,662 <INCOME-TAX> 9,790 <INCOME-CONTINUING> 19,872 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 19,872 <EPS-PRIMARY> 0.70 <EPS-DILUTED> 0.70