<TABLE> <S> <C>
<ARTICLE> 5
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-2000
<PERIOD-START> JAN-01-2000
<PERIOD-END> JUN-30-2000
<CASH> 17,790
<SECURITIES> 201,221
<RECEIVABLES> 54,110
<ALLOWANCES> (582)
<INVENTORY> 33,910
<CURRENT-ASSETS> 311,876
<PP&E> 40,294
<DEPRECIATION> (21,356)
<TOTAL-ASSETS> 347,479
<CURRENT-LIABILITIES> 32,476
<BONDS> 135,000
0
0
<COMMON> 29
<OTHER-SE> 178,787
<TOTAL-LIABILITY-AND-EQUITY> 347,479
<SALES> 150,837
<TOTAL-REVENUES> 150,837
<CGS> 77,797
<TOTAL-COSTS> 77,797
<OTHER-EXPENSES> 39,465
<LOSS-PROVISION> 0
<INTEREST-EXPENSE> 4,113
<INCOME-PRETAX> 34,500
<INCOME-TAX> 12,515
<INCOME-CONTINUING> 22,069
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> 22,069
<EPS-BASIC> 0.76
<EPS-DILUTED> 0.73
</TABLE>