<ARTICLE> 5 <MULTIPLIER> 1,000 <CURRENCY> U.S. DOLLARS <PERIOD-TYPE> 9-MOS <FISCAL-YEAR-END> SEP-30-1999 <PERIOD-START> OCT-01-1998 <PERIOD-END> SEP-30-1999 <EXCHANGE-RATE> 1 <CASH> 59,903 <SECURITIES> 30,920 <RECEIVABLES> 41,603 <ALLOWANCES> 2,867 <INVENTORY> 0 <CURRENT-ASSETS> 136,666 <PP&E> 24,801 <DEPRECIATION> 12,746 <TOTAL-ASSETS> 159,033 <CURRENT-LIABILITIES> 41,595 <BONDS> 0 <PREFERRED-MANDATORY> 214 <PREFERRED> 0 <COMMON> 0 <OTHER-SE> 116,942 <TOTAL-LIABILITY-AND-EQUITY> 159,033 <SALES> 62,240 <TOTAL-REVENUES> 145,665 <CGS> 5,018 <TOTAL-COSTS> 47,328 <OTHER-EXPENSES> 74,004 <LOSS-PROVISION> 1,138 <INTEREST-EXPENSE> 50 <INCOME-PRETAX> 27,160 <INCOME-TAX> 9,280 <INCOME-CONTINUING> 24,333 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 17,880 <EPS-BASIC> 0.87 <EPS-DILUTED> 0.85