<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
SUPPLEMENTAL CONSOLIDATED BALANCE SHEET AND CONSOLIDATED STATEMENT OF
OPERATIONS AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL
STATEMENTS.
</LEGEND>
<RESTATED>
<S> <C>
<PERIOD-TYPE> YEAR
<FISCAL-YEAR-END> DEC-31-1998
<PERIOD-START> JAN-01-1998
<PERIOD-END> DEC-31-1998
<CASH> 79,868
<SECURITIES> 0
<RECEIVABLES> 398,832
<ALLOWANCES> 18,592
<INVENTORY> 0
<CURRENT-ASSETS> 517,980
<PP&E> 156,869
<DEPRECIATION> 74,883
<TOTAL-ASSETS> 895,681
<CURRENT-LIABILITIES> 457,414
<BONDS> 146,722
0
0
<COMMON> 82
<OTHER-SE> 265,102
<TOTAL-LIABILITY-AND-EQUITY> 895,681
<SALES> 744,517
<TOTAL-REVENUES> 744,517
<CGS> 0
<TOTAL-COSTS> 676,839
<OTHER-EXPENSES> 2,057
<LOSS-PROVISION> 6,394
<INTEREST-EXPENSE> 12,876
<INCOME-PRETAX> 46,351
<INCOME-TAX> 16,884
<INCOME-CONTINUING> 29,043
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> 29,043
<EPS-BASIC> 0.36
<EPS-DILUTED> 0.35
</TABLE>