<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM 10-Q AS OF
JUNE 30, 2000 AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL
STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000

                                     
<PERIOD-TYPE>                                    6-MOS
<FISCAL-YEAR-END>                          DEC-31-2000
<PERIOD-START>                             JAN-01-2000
<PERIOD-END>                               JUN-30-2000
<CASH>                                          69,754<F1>
<SECURITIES>                                         0
<RECEIVABLES>                                   93,469
<ALLOWANCES>                                     3,351
<INVENTORY>                                          0
<CURRENT-ASSETS>                               166,270
<PP&E>                                          69,138
<DEPRECIATION>                                  36,868
<TOTAL-ASSETS>                                 310,452
<CURRENT-LIABILITIES>                           92,742
<BONDS>                                         46,118
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                           530
<OTHER-SE>                                     170,573
<TOTAL-LIABILITY-AND-EQUITY>                   310,452
<SALES>                                        188,125
<TOTAL-REVENUES>                               188,125
<CGS>                                           72,504
<TOTAL-COSTS>                                   72,504
<OTHER-EXPENSES>                                20,254
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                               9,023
<INCOME-PRETAX>                                 67,999
<INCOME-TAX>                                  (25,704)
<INCOME-CONTINUING>                             42,295
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    42,295
<EPS-BASIC>                                       0.81
<EPS-DILUTED>                                     0.74
<FN>
<F1>(1) IN THOUSANDS EXCEPT PER SHARE AMOUNTS.
</FN>