<TABLE> <S> <C>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
CONSOLIDATED BALANCE SHEETS, CONSOLIDATED STATEMENTS OF OPERATIONS, NOTES TO THE
CONSOLIDATED FINANCIAL STATEMENTS AND SCHEDULE II-VALUATION AND QUALIFYING
ACCOUNTS AND RESERVES AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH
ANNUAL REPORT ON FORM 10-K FOR THE YEAR ENDED SEPTEMBER 30, 2000.
</LEGEND>
<MULTIPLIER> 1,000
<CURRENCY> U.S. DOLLARS
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> SEP-30-2000
<PERIOD-START> OCT-01-1999
<PERIOD-END> SEP-30-2000
<EXCHANGE-RATE> 1
<CASH> 131,203
<SECURITIES> 88,034
<RECEIVABLES> 94,709
<ALLOWANCES> 1,930
<INVENTORY> 56,975
<CURRENT-ASSETS> 395,384
<PP&E> 61,381
<DEPRECIATION> 36,482
<TOTAL-ASSETS> 513,128
<CURRENT-LIABILITIES> 92,304
<BONDS> 282
0
0
<COMMON> 172
<OTHER-SE> 413,682
<TOTAL-LIABILITY-AND-EQUITY> 513,128
<SALES> 268,281
<TOTAL-REVENUES> 321,099
<CGS> 135,993
<TOTAL-COSTS> 171,364
<OTHER-EXPENSES> 62,034
<LOSS-PROVISION> 530
<INTEREST-EXPENSE> 1,318
<INCOME-PRETAX> 25,232
<INCOME-TAX> 12,753
<INCOME-CONTINUING> 12,753
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> 12,753
<EPS-BASIC> 0.84
<EPS-DILUTED> 0.78
</TABLE>