<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE FORM
10-Q FOR THE QUARTERLY PERIOD ENDED JUNE 30, 1999 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-31-1999
<PERIOD-START> APR-01-1999
<PERIOD-END> JUN-30-1999
<EXCHANGE-RATE> 1
<CASH> 152,089
<SECURITIES> 1,077
<RECEIVABLES> 94,421
<ALLOWANCES> 7,276
<INVENTORY> 2,718
<CURRENT-ASSETS> 256,286
<PP&E> 44,357
<DEPRECIATION> 22,694
<TOTAL-ASSETS> 606,303
<CURRENT-LIABILITIES> 71,370
<BONDS> 12,337
149,998
0
<COMMON> 113,509
<OTHER-SE> 259,089
<TOTAL-LIABILITY-AND-EQUITY> 606,303
<SALES> 0
<TOTAL-REVENUES> 76,015
<CGS> 0
<TOTAL-COSTS> 19,298
<OTHER-EXPENSES> 41,187
<LOSS-PROVISION> 0
<INTEREST-EXPENSE> 261
<INCOME-PRETAX> 17,371
<INCOME-TAX> 6,654
<INCOME-CONTINUING> 10,717
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> 9,586
<EPS-BASIC> .09
<EPS-DILUTED> .08
</TABLE>