<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> 8,897
<SECURITIES> 0
<RECEIVABLES> 68,994
<ALLOWANCES> 769
<INVENTORY> 58,366
<CURRENT-ASSETS> 139,773
<PP&E> 112,458
<DEPRECIATION> 58,603
<TOTAL-ASSETS> 259,569
<CURRENT-LIABILITIES> 44,816
<BONDS> 0
0
0
<COMMON> 39,639
<OTHER-SE> 175,114
<TOTAL-LIABILITY-AND-EQUITY> 259,569
<SALES> 122,829
<TOTAL-REVENUES> 122,829
<CGS> 55,154
<TOTAL-COSTS> 55,154
<OTHER-EXPENSES> 35,705
<LOSS-PROVISION> 0
<INTEREST-EXPENSE> 0
<INCOME-PRETAX> 19,449
<INCOME-TAX> 6,129
<INCOME-CONTINUING> 13,320
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> 13,320
<EPS-BASIC> 0.97
<EPS-DILUTED> 0.96
</TABLE>