<ARTICLE> 5 <MULTIPLIER> 1,000 <PERIOD-TYPE> 9-MOS <FISCAL-YEAR-END> DEC-31-1996 <PERIOD-START> JUL-01-1996 <PERIOD-END> SEP-30-1996 <CASH> 35,298 <SECURITIES> 2,518 <RECEIVABLES> 34,533 <ALLOWANCES> 2,009 <INVENTORY> 14,357 <CURRENT-ASSETS> 90,961 <PP&E> 110,520 <DEPRECIATION> 50,196 <TOTAL-ASSETS> 165,891 <CURRENT-LIABILITIES> 31,762 <BONDS> 7,792 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 2,108 <OTHER-SE> 109,601 <TOTAL-LIABILITY-AND-EQUITY> 165,891 <SALES> 193,170 <TOTAL-REVENUES> 193,170 <CGS> 131,458 <TOTAL-COSTS> 131,458 <OTHER-EXPENSES> (239) <LOSS-PROVISION> 159 <INTEREST-EXPENSE> 457 <INCOME-PRETAX> 29,987 <INCOME-TAX> 11,371 <INCOME-CONTINUING> 18,616 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 18,616 <EPS-PRIMARY> 1.03 <EPS-DILUTED> 1.03