<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE BALANCE
SHEET AND INCOME STATEMENT AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH
FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-2000
<PERIOD-END> JUN-30-2000
<CASH> 67,072
<SECURITIES> 0
<RECEIVABLES> 82,853
<ALLOWANCES> 3,441
<INVENTORY> 82,922
<CURRENT-ASSETS> 255,191
<PP&E> 193,172
<DEPRECIATION> 67,457
<TOTAL-ASSETS> 416,685
<CURRENT-LIABILITIES> 63,531
<BONDS> 2,855
0
0
<COMMON> 251
<OTHER-SE> 326,769
<TOTAL-LIABILITY-AND-EQUITY> 416,685
<SALES> 218,907
<TOTAL-REVENUES> 219,921
<CGS> 100,476
<TOTAL-COSTS> 100,476
<OTHER-EXPENSES> 0
<LOSS-PROVISION> 0
<INTEREST-EXPENSE> 59
<INCOME-PRETAX> 34,389
<INCOME-TAX> 12,380
<INCOME-CONTINUING> 21,146
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> 21,146
<EPS-BASIC> 0.84
<EPS-DILUTED> 0.84
</TABLE>