<ARTICLE> 5 <MULTIPLIER> 1,000 <PERIOD-TYPE> YEAR <FISCAL-YEAR-END> DEC-31-1999 <PERIOD-START> JAN-01-1999 <PERIOD-END> SEP-30-1999 <CASH> 44,504 <SECURITIES> 16,523 <RECEIVABLES> 88,962 <ALLOWANCES> 9,149 <INVENTORY> 27,172 <CURRENT-ASSETS> 177,779 <PP&E> 40,340 <DEPRECIATION> 29,047 <TOTAL-ASSETS> 196,301 <CURRENT-LIABILITIES> 43,332 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 55,371 <OTHER-SE> 97,598 <TOTAL-LIABILITY-AND-EQUITY> 196,301 <SALES> 280,175 <TOTAL-REVENUES> 280,175 <CGS> 202,404 <TOTAL-COSTS> 202,404 <OTHER-EXPENSES> 57,419 <LOSS-PROVISION> 2,504 <INTEREST-EXPENSE> 0 <INCOME-PRETAX> 21,767 <INCOME-TAX> 6,412 <INCOME-CONTINUING> 15,355 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 15,355 <EPS-BASIC> 0.69 <EPS-DILUTED> 0.65