CONSOLIDATED BALANCE SHEETS (Unaudited) (USD $) In Thousands	Sep. 30, 2011	Dec. 31, 2010
Securities, available-for-sale, at fair value:
Fixed maturities (amortized cost, 2011 - $6,255,817; 2010 - $7,366,808)	$ 6,455,521	$ 7,455,238
Equity securities	2,699	3,044
Total investment portfolio	6,458,220	7,458,282
Cash and cash equivalents	866,614	1,304,154
Accrued investment income	67,104	70,305
Reinsurance recoverable on loss reserves (note 4)	166,874	275,290
Reinsurance recoverable on paid losses	15,320	34,160
Prepaid reinsurance premiums	1,782	2,637
Premium receivable	73,895	79,567
Home office and equipment, net	28,527	28,638
Deferred insurance policy acquisition costs	7,696	8,282
Other assets	61,271	72,327
Total assets	7,747,303	9,333,642
Liabilities:
Loss reserves (note 12)	4,791,560	5,884,171
Premium deficiency reserve (note 13)	146,525	178,967
Unearned premiums	166,703	215,157
Senior notes (note 3)	244,259	376,329
Convertible senior notes (note 3)	345,000	345,000
Convertible junior debentures (note 3)	336,694	315,626
Other liabilities	327,737	349,337
Total liabilities	6,358,478	7,664,587
Contingencies (note 5)
Shareholders' equity:
Common stock ($1 par value, shares authorized 460,000,000; shares issued, 2011 - 205,046,780; 2010 - 205,046,780; shares outstanding, 2011 - 201,171,528; 2010 - 200,449,588)	205,047	205,047
Paid-in capital	1,133,270	1,138,942
Treasury stock (shares at cost, 2011 - 3,875,252; 2010 - 4,597,192)	(162,542)	(222,632)
Accumulated other comprehensive income, net of tax (note 9)	89,393	22,136
Retained earnings	123,657	525,562
Total shareholders' equity	1,388,825	1,669,055
Total liabilities and shareholders' equity	$ 7,747,303	$ 9,333,642