<ARTICLE> 5 <MULTIPLIER> 1,000 <PERIOD-TYPE> 6-MOS <FISCAL-YEAR-END> DEC-31-1994 <PERIOD-END> JUN-30-1995 <CASH> 4,631 <SECURITIES> 56,994 <RECEIVABLES> 28,509 <ALLOWANCES> 1,825 <INVENTORY> 25,117 <CURRENT-ASSETS> 119,617 <PP&E> 89,279 <DEPRECIATION> 54,787 <TOTAL-ASSETS> 169,772 <CURRENT-LIABILITIES> 34,670 <BONDS> 0 <COMMON> 17,007 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <OTHER-SE> 113,035 <TOTAL-LIABILITY-AND-EQUITY> 169,772 <SALES> 80,290 <TOTAL-REVENUES> 82,039 <CGS> 41,025 <TOTAL-COSTS> 0 <OTHER-EXPENSES> 35,722 <LOSS-PROVISION> 95 <INTEREST-EXPENSE> 76 <INCOME-PRETAX> 5,121 <INCOME-TAX> 1,920 <INCOME-CONTINUING> 3,201 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 3,201 <EPS-PRIMARY> .19 <EPS-DILUTED> .19