<ARTICLE> 5 <MULTIPLIER> 1,000 <PERIOD-TYPE> 3-MOS <FISCAL-YEAR-END> DEC-31-1998 <PERIOD-START> JAN-01-1998 <PERIOD-END> MAR-31-1998 <CASH> 40,345 <SECURITIES> 48,147 <RECEIVABLES> 289,596 <ALLOWANCES> 1,956 <INVENTORY> 0 <CURRENT-ASSETS> 424,773 <PP&E> 288,798 <DEPRECIATION> 90,564 <TOTAL-ASSETS> 878,239 <CURRENT-LIABILITIES> 257,179 <BONDS> 177,350 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 751 <OTHER-SE> 412,561 <TOTAL-LIABILITY-AND-EQUITY> 878,239 <SALES> 0 <TOTAL-REVENUES> 254,690 <CGS> 0 <TOTAL-COSTS> 227,789 <OTHER-EXPENSES> (2,327) <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 2,785 <INCOME-PRETAX> 26,443 <INCOME-TAX> 8,438 <INCOME-CONTINUING> 18,005 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 18,005 <EPS-PRIMARY> .24 <EPS-DILUTED> .24