<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE FORM
10-Q FOR THE QUARTERLY PERIOD ENDED SEPTEMBER 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> JUL-01-1999
<PERIOD-END> SEP-30-1999
<EXCHANGE-RATE> 1
<CASH> 90,196
<SECURITIES> 489
<RECEIVABLES> 130,364
<ALLOWANCES> 7,493
<INVENTORY> 3,965
<CURRENT-ASSETS> 236,119
<PP&E> 49,012
<DEPRECIATION> 24,072
<TOTAL-ASSETS> 640,333
<CURRENT-LIABILITIES> 82,787
<BONDS> 13,411
149,079
0
<COMMON> 113,728
<OTHER-SE> 281,328
<TOTAL-LIABILITY-AND-EQUITY> 640,333
<SALES> 0
<TOTAL-REVENUES> 87,473
<CGS> 0
<TOTAL-COSTS> 23,970
<OTHER-EXPENSES> 46,676
<LOSS-PROVISION> 0
<INTEREST-EXPENSE> 460
<INCOME-PRETAX> 18,712
<INCOME-TAX> 7,178
<INCOME-CONTINUING> 11,534
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> 10,447
<EPS-BASIC> .09
<EPS-DILUTED> .09
</TABLE>