<ARTICLE> 5 <MULTIPLIER> 1,000 <PERIOD-TYPE> 9-MOS <FISCAL-YEAR-END> DEC-31-1997 <PERIOD-START> JAN-01-1997 <PERIOD-END> SEP-26-1997 <CASH> 6,954 <SECURITIES> 0 <RECEIVABLES> 73,749 <ALLOWANCES> 1,083 <INVENTORY> 90,840 <CURRENT-ASSETS> 189,230 <PP&E> 451,282 <DEPRECIATION> 285,522 <TOTAL-ASSETS> 382,743 <CURRENT-LIABILITIES> 81,439 <BONDS> 17,905 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 22,158 <OTHER-SE> 211,321 <TOTAL-LIABILITY-AND-EQUITY> 382,743 <SALES> 322,135 <TOTAL-REVENUES> 322,135 <CGS> 239,430 <TOTAL-COSTS> 269,094 <OTHER-EXPENSES> 418 <LOSS-PROVISION> 181 <INTEREST-EXPENSE> 382 <INCOME-PRETAX> 25,060 <INCOME-TAX> 7,092 <INCOME-CONTINUING> 17,968 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 17,968 <EPS-PRIMARY> 1.11 <EPS-DILUTED> 1.10