Comprehensive Income (Loss) (Tables)

12 Months Ended

Dec. 31, 2011

Comprehensive Income (Loss) [Abstract]

Components Of Comprehensive Income (Loss) In The Consolidated Statements Of Operations

	Years Ended December 31,
(Dollars in thousands)	2011			2010			2009
Net income (loss)	$	(80,486	)	$	610,754		$	806,989
Other comprehensive income (loss), before tax:
Unrealized appreciation (depreciation) ("URA(D)") on securities arising during the period
URA(D) of investments - temporary		109,928			65,199			550,356
URA(D) of investments - non-credit OTTI		824			7,831			35,563
URA(D) on securities arising during the period		110,752			73,030			585,919
Less:  reclassification adjustment for realized losses (gains) included in net income (loss)		(4,193	)		(24,593	)		50,789
Total URA(D) on securities arising during the period		106,559			48,437			636,708
Foreign currency translation adjustments		(16,429	)		16,429			98,931
Pension adjustments		(45,310	)		(2,792	)		11,466
Total other comprehensive income (loss), before tax		44,820			62,074			747,105
Income tax benefit (expense) related to items of other comprehensive income (loss):
Tax benefit (expense) on URA(D) arising during the period
Tax benefit (expense) on URA(D) of investments - temporary		(21,248	)		(5,046	)		(91,259	)
Tax benefit (expense) on URA(D) of investments - non-credit OTTI		66			(1,002	)		(3,830	)
Tax benefit (expense) on URA(D) on securities arising during the period		(21,182	)		(6,048	)		(95,089	)
Tax reclassification due to realized losses (gains) included in net income (loss)		(5,236	)		17,775			(11,674	)
Total tax benefit (expense) from URA(D) arising during the period		(26,418	)		11,727			(106,763	)
Tax benefit (expense) from foreign currency translation		460			(14,558	)		(15,128	)
Tax benefit (expense) on pension		15,858			977			(4,013	)
Total income tax benefit (expense) related to items of other comprehensive income (loss):		(10,100	)		(1,854	)		(125,904	)
Other comprehensive income (loss), net of tax		34,720			60,220			621,201
Comprehensive income (loss)	$	(45,766	)	$	670,974		$	1,428,190

Components Of Accumulated Other Comprehensive Income (Loss), Net Of Tax, In The Consolidated Balance Sheets

	Years Ended December 31,
(Dollars in thousands)	2011			2010
Beginning balance of URA (D) on securities	$	369,438		$	309,274
Current period change in URA (D) of investments - temporary		79,251			58,709
Current period change in URA (D) of investments - non-credit OTTI		890			1,455
Ending balance of URA (D) on securities		449,579			369,438
Beginning balance of foreign currency translation adjustments		(11,097	)		(12,968	)
Current period change in foreign currency translation adjustments		(15,969	)		1,871
Ending balance of foreign currency translation adjustments		(27,066	)		(11,097	)
Beginning balance of pension		(26,083	)		(24,268	)
Current period change in pension		(29,452	)		(1,815	)
Ending balance of pension		(55,535	)		(26,083	)
Ending balance of accumulated other comprehensive income (loss)	$	366,978		$	332,258