<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE FORM
10-Q FOR THE QUARTERLY PERIOD ENDED MARCH 31, 2000 AND IS QUALIFIED IN ITS
ENTIRETY BY REFERENCE TO SUCH FORM 10-Q.
</LEGEND>
<MULTIPLIER> 1,000
<CURRENCY> U.S.
<S> <C>
<PERIOD-TYPE> 3-MOS
<FISCAL-YEAR-END> DEC-31-2000
<PERIOD-START> JAN-01-2000
<PERIOD-END> MAR-31-2000
<EXCHANGE-RATE> 1
<CASH> 178,850
<SECURITIES> 289
<RECEIVABLES> 140,731
<ALLOWANCES> 10,928
<INVENTORY> 5,085
<CURRENT-ASSETS> 333,633
<PP&E> 66,928
<DEPRECIATION> 30,058
<TOTAL-ASSETS> 829,204
<CURRENT-LIABILITIES> 118,742
<BONDS> 18,120
130,997
0
<COMMON> 115,353
<OTHER-SE> 445,809
<TOTAL-LIABILITY-AND-EQUITY> 829,204
<SALES> 0
<TOTAL-REVENUES> 110,694
<CGS> 0
<TOTAL-COSTS> 25,848
<OTHER-EXPENSES> 58,124
<LOSS-PROVISION> 0
<INTEREST-EXPENSE> 2,151
<INCOME-PRETAX> 29,580
<INCOME-TAX> 12,123
<INCOME-CONTINUING> 17,457
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> 16,447
<EPS-BASIC> .14
<EPS-DILUTED> .13
</TABLE>