<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM CONSOLIDATED
BALANCE SHEETS AND CONSOLIDATED STATEMENTS OF OPERATIONS AND IS QUALIFIED IN ITS
ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
       
                                                                       
<PERIOD-TYPE>                   YEAR                   YEAR                   YEAR
<FISCAL-YEAR-END>                          DEC-31-1998             DEC-31-1997             DEC-31-1996
<PERIOD-START>                             JAN-01-1998             JAN-01-1997             JAN-01-1996
<PERIOD-END>                               DEC-31-1998             DEC-31-1997             DEC-31-1996
<CASH>                                         763,865                 559,360                 487,938
<SECURITIES>                                   525,082                 553,601                 634,978
<RECEIVABLES>                                  580,090                 519,343                 390,769
<ALLOWANCES>                                    28,522                  22,900                  18,200
<INVENTORY>                                          0                       0                       0
<CURRENT-ASSETS>                             2,239,884               2,409,693               2,209,616
<PP&E>                                         733,972                 734,126                 542,641
<DEPRECIATION>                                 388,703                 306,977                 237,893
<TOTAL-ASSETS>                               3,929,541               4,076,350               3,423,776
<CURRENT-LIABILITIES>                        1,825,431               1,764,672               1,430,182
<BONDS>                                      1,254,278<F1>           1,308,979<F1>             791,618<F1>
<PREFERRED-MANDATORY>                                0                       0                       0
<PREFERRED>                                          0                       0                       0
<COMMON>                                           125<F2>                 124<F2>                 128<F2>
<OTHER-SE>                                     743,917                 895,850               1,183,283
<TOTAL-LIABILITY-AND-EQUITY>                 3,929,541               4,076,350               3,423,776
<SALES>                                              0                       0                       0
<TOTAL-REVENUES>                             8,896,076               7,235,019               6,709,240
<CGS>                                                0                       0                       0
<TOTAL-COSTS>                                7,612,469               5,914,608               5,593,894
<OTHER-EXPENSES>                             1,445,602<F3>           1,346,104<F3>           1,017,020<F3>
<LOSS-PROVISION>                                     0                       0                       0
<INTEREST-EXPENSE>                              92,159                  63,555                  45,372
<INCOME-PRETAX>                              (254,154)                (89,248)                  52,954
<INCOME-TAX>                                  (88,996)                (21,418)                  14,124
<INCOME-CONTINUING>                          (165,158)                (67,830)                  38,830
<DISCONTINUED>                                       0<F4>           (119,254)<F4>              45,401<F4>             
<EXTRAORDINARY>                                      0                       0                       0
<CHANGES>                                            0                       0                       0
<NET-INCOME>                                 (165,158)               (187,084)                  84,231
<EPS-PRIMARY>                                   (1.35)                  (1.52)                    0.67
<EPS-DILUTED>                                   (1.35)                  (1.52)                    0.67
<FN>
<F1>Includes borrowings under revolving credit facility, miscellaneous notes payable
and capital leases.
<F2>Net of treasury stock.
<F3>Includes asset impairment, merger, restructuring and other charges.
<F4>Includes income (loss) from discontinued operations, net of tax and gain (loss)
on disposition of discontinued operations, net of tax.
</FN>