<ARTICLE> 5

                                                      
<PERIOD-TYPE>                   3-MOS                       9-MOS
<FISCAL-YEAR-END>                          DEC-31-1999                 DEC-31-1999
<PERIOD-START>                             JUL-01-1999                 JAN-01-1999
<PERIOD-END>                               SEP-30-1999                 SEP-30-1999
<CASH>                                       9,800,000                   9,800,000
<SECURITIES>                                         0                           0
<RECEIVABLES>                              263,400,000                 263,400,000
<ALLOWANCES>                                13,600,000                  13,600,000
<INVENTORY>                                          0                           0
<CURRENT-ASSETS>                           322,100,000                 322,100,000
<PP&E>                                   2,110,300,000               2,110,300,000
<DEPRECIATION>                             545,600,000                 545,600,000
<TOTAL-ASSETS>                           3,267,600,000               3,267,600,000
<CURRENT-LIABILITIES>                      421,700,000                 421,700,000
<BONDS>                                  1,153,900,000               1,153,900,000
<PREFERRED-MANDATORY>                                0                           0
<PREFERRED>                                          0                           0
<COMMON>                                     1,800,000                   1,800,000
<OTHER-SE>                               1,449,700,000               1,449,700,000
<TOTAL-LIABILITY-AND-EQUITY>             3,267,600,000               3,267,600,000
<SALES>                                              0                           0
<TOTAL-REVENUES>                           490,600,000               1,349,700,000
<CGS>                                                0                           0
<TOTAL-COSTS>                              295,900,000                 810,700,000
<OTHER-EXPENSES>                            91,200,000                 253,500,000
<LOSS-PROVISION>                                     0                           0
<INTEREST-EXPENSE>                          18,800,000                  44,500,000
<INCOME-PRETAX>                             85,300,000                 244,500,000
<INCOME-TAX>                                32,800,000                  94,100,000
<INCOME-CONTINUING>                         52,500,000                 150,400,000
<DISCONTINUED>                                       0                           0
<EXTRAORDINARY>                                      0                           0
<CHANGES>                                            0                           0
<NET-INCOME>                                52,500,000                 150,400,000
<EPS-BASIC>                                        .30                         .86
<EPS-DILUTED>                                      .30                         .86