<ARTICLE> 5 <LEGEND> AS OF AND FOR THE NINE MONTHS ENDED SEPTEMBER 30, 1998 (AMOUNTS IN THOUSANDS, EXCEPT PER SHARE DATA) </LEGEND> <PERIOD-TYPE> 9-MOS <FISCAL-YEAR-END> DEC-31-1998 <PERIOD-END> SEP-30-1998 <CASH> $19,211 <SECURITIES> 0 <RECEIVABLES> 27,262 <ALLOWANCES> 765 <INVENTORY> 0 <CURRENT-ASSETS> 46,790 <PP&E> 27,279 <DEPRECIATION> 14,112 <TOTAL-ASSETS> 110,426 <CURRENT-LIABILITIES> 13,759 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 0 <OTHER-SE> 66,391 <TOTAL-LIABILITY-AND-EQUITY> 110,426 <SALES> 0 <TOTAL-REVENUES> 104,360 <CGS> 0 <TOTAL-COSTS> 79,096 <OTHER-EXPENSES> 11,163 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 60 <INCOME-PRETAX> 14,408 <INCOME-TAX> 5,354 <INCOME-CONTINUING> 9,054 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 9,054 <EPS-PRIMARY> 0.39 <EPS-DILUTED> 0.36