<ARTICLE> 5 <LEGEND> THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE SEPTEMBER 30, 1998 FINANCIAL STATEMENTS AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS. </LEGEND> <PERIOD-TYPE> 9-MOS <FISCAL-YEAR-END> DEC-31-1998 <PERIOD-END> SEP-30-1998 <CASH> 94,300 <SECURITIES> 0 <RECEIVABLES> 234,800 <ALLOWANCES> 9,145 <INVENTORY> 0 <CURRENT-ASSETS> 336,700 <PP&E> 102,200 <DEPRECIATION> 63,400 <TOTAL-ASSETS> 474,500 <CURRENT-LIABILITIES> 144,800 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 500 <OTHER-SE> 275,000 <TOTAL-LIABILITY-AND-EQUITY> 474,500 <SALES> 755,900 <TOTAL-REVENUES> 755,900 <CGS> 420,800 <TOTAL-COSTS> 694,200 <OTHER-EXPENSES> 1,300 <LOSS-PROVISION> 8,800 <INTEREST-EXPENSE> 2,700 <INCOME-PRETAX> 60,400 <INCOME-TAX> 24,800 <INCOME-CONTINUING> 35,600 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 35,600 <EPS-PRIMARY> 0.85 <EPS-DILUTED> 0.83 <FN> * THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE SEPTEMBER 30, 1998 FINANCIAL STATEMENTS AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS. <F1>PRIMARY EARNINGS PER SHARE REPRESENTS BASIC EARNINGS PER SHARE AS REQUIRED PER SFAS NO. 128. </FN>