<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> 45,858 <SECURITIES> 5,899 <RECEIVABLES> 58,899 <ALLOWANCES> 3,683 <INVENTORY> 24,388 <CURRENT-ASSETS> 136,721 <PP&E> 31,833 <DEPRECIATION> 17,062 <TOTAL-ASSETS> 154,050 <CURRENT-LIABILITIES> 33,685 <BONDS> 844 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 49,404 <OTHER-SE> 69,699 <TOTAL-LIABILITY-AND-EQUITY> 154,050 <SALES> 139,358 <TOTAL-REVENUES> 139,358 <CGS> 100,988 <TOTAL-COSTS> 100,988 <OTHER-EXPENSES> 26,278 <LOSS-PROVISION> 20 <INTEREST-EXPENSE> 31 <INCOME-PRETAX> 13,070 <INCOME-TAX> 3,798 <INCOME-CONTINUING> 9,249 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 9,249 <EPS-PRIMARY> 0.84 <EPS-DILUTED> 0.83