<ARTICLE> 5 <RESTATED> <MULTIPLIER> 1,000 <PERIOD-TYPE> YEAR YEAR <FISCAL-YEAR-END> DEC-31-1996 DEC-31-1995 <PERIOD-START> JAN-01-1996 JAN-01-1995 <PERIOD-END> DEC-31-1996 DEC-31-1995 <CASH> 31,749 29,553 <SECURITIES> 0 0 <RECEIVABLES> 52,211 52,532 <ALLOWANCES> 954 1,015 <INVENTORY> 96,324 92,727 <CURRENT-ASSETS> 197,233 191,747 <PP&E> 404,127 374,367 <DEPRECIATION> 273,907 253,173 <TOTAL-ASSETS> 355,779 331,853 <CURRENT-LIABILITIES> 69,061 66,591 <BONDS> 18,860 16,996 <PREFERRED-MANDATORY> 0 0 <PREFERRED> 0 0 <COMMON> 21,909 21,330 <OTHER-SE> 197,348 178,972 <TOTAL-LIABILITY-AND-EQUITY> 355,779 331,853 <SALES> 376,279 369,618 <TOTAL-REVENUES> 376,279 369,618 <CGS> 267,713 268,732 <TOTAL-COSTS> 341,013 339,282 <OTHER-EXPENSES> 896 1,047 <LOSS-PROVISION> 65 203 <INTEREST-EXPENSE> 1,128 1,653 <INCOME-PRETAX> 33,177 27,433 <INCOME-TAX> 8,686 6,744 <INCOME-CONTINUING> 24,491 20,689 <DISCONTINUED> 0 0 <EXTRAORDINARY> 0 0 <CHANGES> 0 0 <NET-INCOME> 24,491 20,689 <EPS-PRIMARY> 1.55 1.28 <EPS-DILUTED> 1.53 1.27