<TABLE> <S> <C>
<PAGE>
<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> 54,067
<SECURITIES> 0
<RECEIVABLES> 54,790
<ALLOWANCES> (2,490)
<INVENTORY> 50,914
<CURRENT-ASSETS> 167,018
<PP&E> 149,853
<DEPRECIATION> (42,185)
<TOTAL-ASSETS> 401,785
<CURRENT-LIABILITIES> 106,452
<BONDS> 0
0
16
<COMMON> 965
<OTHER-SE> 248,816
<TOTAL-LIABILITY-AND-EQUITY> 401,785
<SALES> 139,319
<TOTAL-REVENUES> 139,319
<CGS> 79,697
<TOTAL-COSTS> 120,271
<OTHER-EXPENSES> 0
<LOSS-PROVISION> 0
<INTEREST-EXPENSE> 2,514
<INCOME-PRETAX> 19,048
<INCOME-TAX> 3,641
<INCOME-CONTINUING> 12,415
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> 12,415
<EPS-BASIC> 0.13
<EPS-DILUTED> 0.13
</TABLE>