<ARTICLE> 5 <LEGEND> THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE DECEMBER 31, 1999 FINANCIAL STATEMENTS AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS. </LEGEND> <PERIOD-TYPE> 12-MOS <FISCAL-YEAR-END> DEC-31-1999 <PERIOD-START> JAN-01-1999 <PERIOD-END> DEC-31-1999 <CASH> 111,300 <SECURITIES> 0 <RECEIVABLES> 294,700 <ALLOWANCES> 10,800 <INVENTORY> 0 <CURRENT-ASSETS> 428,800 <PP&E> 95,100 <DEPRECIATION> (63,900) <TOTAL-ASSETS> 612,500 <CURRENT-LIABILITIES> 230,100 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 500 <OTHER-SE> 309,500 <TOTAL-LIABILITY-AND-EQUITY> 612,500 <SALES> 1,240,300 <TOTAL-REVENUES> 1,240,300 <CGS> 653,800 <TOTAL-COSTS> 1,142,400 <OTHER-EXPENSES> 1,500 <LOSS-PROVISION> 6,200 <INTEREST-EXPENSE> 0 <INCOME-PRETAX> 96,400 <INCOME-TAX> 39,500 <INCOME-CONTINUING> 56,900 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 56,900 <EPS-BASIC> 1.36 <EPS-DILUTED> 1.34