<ARTICLE> 5 <RESTATED> <MULTIPLIER> 1,000 <PERIOD-TYPE> 3-MOS <FISCAL-YEAR-END> DEC-31-1997 <PERIOD-START> JUL-01-1997 <PERIOD-END> SEP-30-1997 <CASH> 4,901 <SECURITIES> 36,587 <RECEIVABLES> 31,924 <ALLOWANCES> (1,770) <INVENTORY> 264 <CURRENT-ASSETS> 81,647 <PP&E> 18,552 <DEPRECIATION> (7,973) <TOTAL-ASSETS> 114,732 <CURRENT-LIABILITIES> 16,190 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 25 <OTHER-SE> 98,116 <TOTAL-LIABILITY-AND-EQUITY> 114,732 <SALES> 29,989 <TOTAL-REVENUES> 29,989 <CGS> 8,770 <TOTAL-COSTS> 8,770 <OTHER-EXPENSES> 14,848 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 16 <INCOME-PRETAX> 6,909 <INCOME-TAX> 1,781 <INCOME-CONTINUING> 5,128 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 5,128 <EPS-PRIMARY> 0.21 <EPS-DILUTED> 0.20