<TABLE> <S> <C>
<ARTICLE> 7
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY INFORMATION EXTRACTED FROM FORM 10-Q FOR THE SIX
MONTHS ENDED JUNE 30, 2000 AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH
FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-2000
<PERIOD-END> JUN-30-2000
<DEBT-HELD-FOR-SALE> 2,901,720
<DEBT-CARRYING-VALUE> 0
<DEBT-MARKET-VALUE> 0
<EQUITIES> 16,302
<MORTGAGE> 0
<REAL-ESTATE> 0
<TOTAL-INVEST> 3,060,969
<CASH> 149,080
<RECOVER-REINSURE> 0
<DEFERRED-ACQUISITION> 21,690
<TOTAL-ASSETS> 3,397,294
<POLICY-LOSSES> 625,655
<UNEARNED-PREMIUMS> 175,084
<POLICY-OTHER> 0
<POLICY-HOLDER-FUNDS> 0
<NOTES-PAYABLE> 420,000
0
0
<COMMON> 121,111
<OTHER-SE> 1,950,874
<TOTAL-LIABILITY-AND-EQUITY> 3,397,294
428,538
<INVESTMENT-INCOME> 83,340
<INVESTMENT-GAINS> 163
<OTHER-INCOME> 23,296
<BENEFITS> 45,155
<UNDERWRITING-AMORTIZATION> 660
<UNDERWRITING-OTHER> 93,992
<INCOME-PRETAX> 383,303
<INCOME-TAX> 119,980
<INCOME-CONTINUING> 263,323
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> 263,323
<EPS-BASIC> 2.49
<EPS-DILUTED> 2.46
<RESERVE-OPEN> 0
<PROVISION-CURRENT> 0
<PROVISION-PRIOR> 0
<PAYMENTS-CURRENT> 0
<PAYMENTS-PRIOR> 0
<RESERVE-CLOSE> 0
<CUMULATIVE-DEFICIENCY> 0
</TABLE>