<ARTICLE> 5
<LEGEND>
THIS FINANCIAL DATA SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED
FROM THE FINANCIAL STATEMENTS AS OF AND FOR THE NINE MONTH PERIOD ENDED
SEPTEMBER 30, 1999 AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH
FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000

                             
<PERIOD-TYPE>                   9-MOS
<FISCAL-YEAR-END>                          DEC-31-1999
<PERIOD-START>                             JAN-01-1999
<PERIOD-END>                               SEP-30-1999
<CASH>                                           8,625
<SECURITIES>                                         0
<RECEIVABLES>                                   42,130
<ALLOWANCES>                                     2,318
<INVENTORY>                                          0
<CURRENT-ASSETS>                                49,562
<PP&E>                                          59,880
<DEPRECIATION>                                  20,630
<TOTAL-ASSETS>                                 952,930
<CURRENT-LIABILITIES>                           34,026
<BONDS>                                         52,436
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                            51
<OTHER-SE>                                     766,487
<TOTAL-LIABILITY-AND-EQUITY>                   952,930
<SALES>                                              0
<TOTAL-REVENUES>                               141,984
<CGS>                                                0
<TOTAL-COSTS>                                  102,378
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                   987
<INTEREST-EXPENSE>                                 962
<INCOME-PRETAX>                                 39,556
<INCOME-TAX>                                    16,416
<INCOME-CONTINUING>                             23,140
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    23,140
<EPS-BASIC>                                       0.46
<EPS-DILUTED>                                     0.46