<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE BALANCE
SHEETS, THE STATEMENTS OF INCOME, AND THE STATEMENTS OF CASH FLOWS AND IS
QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> 9-MOS
<FISCAL-YEAR-END> SEP-30-2000
<PERIOD-START> OCT-01-1999
<PERIOD-END> JUN-30-2000
<CASH> 18,745
<SECURITIES> 0
<RECEIVABLES> 21,060
<ALLOWANCES> 1,092
<INVENTORY> 0
<CURRENT-ASSETS> 34,436
<PP&E> 13,475
<DEPRECIATION> 10,608
<TOTAL-ASSETS> 50,271
<CURRENT-LIABILITIES> 20,559
<BONDS> 0
0
19,932
<COMMON> 166
<OTHER-SE> 8,585
<TOTAL-LIABILITY-AND-EQUITY> 50,271
<SALES> 0
<TOTAL-REVENUES> 71,299
<CGS> 0
<TOTAL-COSTS> 40,844
<OTHER-EXPENSES> 28,330
<LOSS-PROVISION> 0
<INTEREST-EXPENSE> (849)
<INCOME-PRETAX> 2,974
<INCOME-TAX> (1,853)
<INCOME-CONTINUING> 4,827
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> 4,827
<EPS-BASIC> .52
<EPS-DILUTED> .51
</TABLE>