<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<MULTIPLIER> 1,000
<S> <C> <C>
<PERIOD-TYPE> 3-MOS 9-MOS
<FISCAL-YEAR-END> DEC-31-2000 DEC-31-2000
<PERIOD-START> JUL-01-2000 JAN-01-2000
<PERIOD-END> SEP-29-2000 SEP-29-2000
<CASH> 12,227 12,227
<SECURITIES> 0 0
<RECEIVABLES> 32,955 32,955
<ALLOWANCES> (1,661) (1,661)
<INVENTORY> 14,443 14,443
<CURRENT-ASSETS> 64,870 64,870
<PP&E> 31,007 31,007
<DEPRECIATION> (17,165) (17,165)
<TOTAL-ASSETS> 98,441 98,441
<CURRENT-LIABILITIES> 24,825 24,825
<BONDS> 4,375 4,375
0 0
0 0
<COMMON> 12 12
<OTHER-SE> 65,648 65,648
<TOTAL-LIABILITY-AND-EQUITY> 98,441 98,441
<SALES> 21,724 55,999
<TOTAL-REVENUES> 29,548 77,976
<CGS> 9,245 24,416
<TOTAL-COSTS> 14,960 40,412
<OTHER-EXPENSES> 10,341 28,891
<LOSS-PROVISION> 142 392
<INTEREST-EXPENSE> (49) 52
<INCOME-PRETAX> 4,198 8,725
<INCOME-TAX> 1,427 2,966
<INCOME-CONTINUING> 2,771 5,759
<DISCONTINUED> 0 0
<EXTRAORDINARY> 0 0
<CHANGES> 0 0
<NET-INCOME> 2,771 5,759
<EPS-BASIC> .23 .49
<EPS-DILUTED> .21 .45
</TABLE>