<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
REGISTRANT'S AUDITED FINANCIAL STATEMENTS FOR THE YEAR ENDED DECEMBER 31, 1999
AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH AUDITED FINANCIAL
STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
<CURRENCY> U.S.
<S> <C>
<PERIOD-TYPE> YEAR
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-START> JAN-01-1999
<PERIOD-END> DEC-31-1999
<EXCHANGE-RATE> 1
<CASH> 125,730
<SECURITIES> 4,900
<RECEIVABLES> 113,334
<ALLOWANCES> 9,314
<INVENTORY> 3,700
<CURRENT-ASSETS> 253,464
<PP&E> 59,602
<DEPRECIATION> 25,914
<TOTAL-ASSETS> 693,738
<CURRENT-LIABILITIES> 110,808
<BONDS> 18,665
146,672
0
<COMMON> 113,992
<OTHER-SE> 303,601
<TOTAL-LIABILITY-AND-EQUITY> 693,738
<SALES> 0
<TOTAL-REVENUES> 344,237
<CGS> 0
<TOTAL-COSTS> 94,255
<OTHER-EXPENSES> 178,190
<LOSS-PROVISION> 5,511
<INTEREST-EXPENSE> 1,684
<INCOME-PRETAX> 73,392
<INCOME-TAX> 27,150
<INCOME-CONTINUING> 46,242
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> 41,742
<EPS-BASIC> .37
<EPS-DILUTED> .35
</TABLE>