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Investments (Tables)

6 Months Ended

Jun. 30, 2012

Investments Abstract

Summary of Investments

		June 30, 2012			December 31, 2011
Fixed maturity securities, available-for-sale		$	17,244,192		$	16,200,950
Mortgage loans on real estate			1,157,049			991,731
Policy loans			1,250,238			1,260,400
Funds withheld at interest			5,457,888			5,410,424
Short-term investments			49,981			88,566
Investment receivable			5,406,898			--
Other invested assets			940,605			1,012,541
Cash and cash equivalents			957,341			962,870
	Total cash and invested assets	$	32,464,192		$	25,927,482

Investment Income

Investment Income, Net of Related Expenses
Major categories of investment income, net of related expenses consist of the following (dollars in thousands):
	Three months ended							Six months ended
	June 30,							June 30,
	2012			2011				2012			2011
Fixed maturity securities available-for-sale	$	193,388		$	191,030			$	384,806		$	375,591
Mortgage loans on real estate		16,000			13,593				30,966			27,328
Policy loans		16,334			16,724				33,117			33,095
Funds withheld at interest		62,992			111,700				178,006			264,760
Short-term investments		781			883				1,769			1,808
Investment receivable		36,752			-				36,752			-
Other invested assets		11,356			10,512				22,679			20,210
Investment revenue		337,603			344,442				688,095			722,792
Investment expense		(9,269)			(7,006)				(18,821)			(14,316)
Investment income, net of related expenses	$	328,334		$	337,436			$	669,274		$	708,476

Gain Loss On Investments

Investment Related Gains (Losses), Net
Investment related gains (losses), net consist of the following (dollars in thousands):
			Three months ended							Six months ended
			June 30,							June 30,
			2012			2011				2012			2011
Fixed maturity and equity securities available for sale:
	Other-than-temporary impairment losses on fixed maturities		$	(1,959)		$	(5,582)			$	(9,566)		$	(7,138)
	Portion of loss recognized in accumulated other
		comprehensive income (before taxes)		162			292				(7,059)			292
	Net other-than-temporary impairment losses on fixed
		maturities recognized in earnings		(1,797)			(5,290)				(16,625)			(6,846)
	Impairment losses on equity securities			(2,186)			(3,680)				(3,025)			(3,680)
	Gain on investment activity			26,593			28,208				48,905			57,584
	Loss on investment activity			(8,918)			(6,653)				(16,422)			(13,567)
Other impairment losses and change in mortgage loan provision				1,762			(3,186)				(4,081)			(2,610)
Derivatives and other, net				8,347			17,989				58,569			120,127
Total investment related gains (losses), net			$	23,801		$	27,388			$	67,321		$	151,008

RollForward Of Cumulative Credit Loss Component Of OTTI Income Loss

	Three months ended June 30,
	2012			2011
Balance, beginning of period	$	62,236		$	47,949
Initial impairments - credit loss OTTI recognized on securities not previously impaired		60			1,473
Additional impairments - credit loss OTTI recognized on securities previously impaired		161			3,780
Credit loss OTTI previously recognized on securities impaired to fair value during the period		(8,288)			--
Credit loss OTTI previously recognized on securities which matured, paid down, prepaid or were sold during the period		(8,266)			(718)
Balance, end of period	$	45,903		$	52,484
	Six months ended June 30,
	2012			2011
Balance, beginning of period	$	63,947		$	47,291
Initial impairments - credit loss OTTI recognized on securities not previously impaired		1,962			1,473
Additional impairments - credit loss OTTI recognized on securities previously impaired		8,881			4,438
Credit loss OTTI previously recognized on securities impaired to fair value during the period		(19,669)			--
Credit loss OTTI previously recognized on securities which matured, paid down, prepaid or were sold during the period		(9,218)			(718)
Balance, end of period	$	45,903		$	52,484

Available For Sale Securities

																		Other-than-
												Estimated						temporary
June 30, 2012:			Amortized			Unrealized			Unrealized			Fair			% of			impairments
			Cost			Gains			Losses			Value			Total			in AOCI
Available-for-sale:
	Corporate securities		$	7,675,473		$	792,051		$	65,615		$	8,401,909		48.7	%		$	--
	Canadian and Canadian provincial
		governments		2,579,161			1,350,301			88			3,929,374		22.8				--
	Residential mortgage-backed securities			1,007,793			78,727			7,958			1,078,562		6.3				(520)
	Asset-backed securities			469,616			12,746			41,311			441,051		2.6				(3,521)
	Commercial mortgage-backed securities			1,308,668			107,284			67,905			1,348,047		7.8				(6,119)
	U.S. government and agencies			218,164			31,761			11			249,914		1.4				--
	State and political subdivisions			204,108			34,066			8,398			229,776		1.3				--
	Other foreign government, supranational and
		foreign government-sponsored enterprises		1,494,182			73,916			2,539			1,565,559		9.1				--
		Total fixed maturity securities	$	14,957,165		$	2,480,852		$	193,825		$	17,244,192		100.0	%		$	(10,160)
Non-redeemable preferred stock			$	73,265		$	5,170		$	2,465		$	75,970		95.9	%
Other equity securities				2,235			1,001			9			3,227		4.1
		Total equity securities	$	75,500		$	6,171		$	2,474		$	79,197		100.0	%

																		Other-than-
												Estimated						temporary
December 31, 2011:			Amortized			Unrealized			Unrealized			Fair			% of			impairments
			Cost			Gains			Losses			Value			Total			in AOCI
Available-for-sale:
	Corporate securities		$	6,931,958		$	654,519		$	125,371		$	7,461,106		46.0	%		$	--
	Canadian and Canadian provincial
		governments		2,507,802			1,362,160			29			3,869,933		23.9				--
	Residential mortgage-backed securities			1,167,265			76,393			16,424			1,227,234		7.6				(1,042)
	Asset-backed securities			443,974			11,692			53,675			401,991		2.5				(5,256)
	Commercial mortgage-backed securities			1,233,958			87,750			79,489			1,242,219		7.7				(12,225)
	U.S. government and agencies			341,087			32,976			61			374,002		2.3				--
	State and political subdivisions			184,308			24,419			3,341			205,386		1.3				--
	Other foreign government, supranational and
		foreign government-sponsored enterprises		1,372,528			50,127			3,576			1,419,079		8.7				--
		Total fixed maturity securities	$	14,182,880		$	2,300,036		$	281,966		$	16,200,950		100.0	%		$	(18,523)
Non-redeemable preferred stock			$	82,488		$	4,677		$	8,982		$	78,183		68.6	%
Other equity securities				35,352			1,903			1,538			35,717		31.4
		Total equity securities	$	117,840		$	6,580		$	10,520		$	113,900		100.0	%

Investments Classified By Contractual Maturity Date

			Amortized			Fair
			Cost			Value
Available-for-sale:
	Due in one year or less		$	153,228		$	155,606
	Due after one year through five years			2,734,890			2,866,290
	Due after five year through ten years			4,269,704			4,695,994
	Due after ten years			5,013,266			6,658,641
	Asset and mortgage-backed securities			2,786,077			2,867,661
		Total	$	14,957,165		$	17,244,192

Fixed Maturity Holdings Industry Types Weighted Average Credit Ratings

June 30, 2012:						Estimated
			Amortized Cost			Fair Value		% of Total
Finance		$	2,618,913		$	2,762,847		32.9	%
Industrial			3,834,519			4,257,907		50.7
Utility			1,213,333			1,372,024		16.3
Other			8,708			9,131		0.1
	Total	$	7,675,473		$	8,401,909		100.0	%
December 31, 2011:						Estimated
			Amortized Cost			Fair Value		% of Total
Finance		$	2,411,175		$	2,442,149		32.7	%
Industrial			3,402,099			3,760,187		50.4
Utility			1,115,384			1,255,090		16.9
Other			3,300			3,680		-
	Total	$	6,931,958		$	7,461,106		100.0	%

Sovereign Fixed Maturity Holdings By Country [Table Text Block]

June 30, 2012:							Estimated
				Amortized Cost			Fair Value		% of Total
Australia			$	475,097		$	490,913		37.2	%
Japan				214,420			220,390		16.7
United Kingdom				124,547			136,672		10.3
South Africa				66,353			68,691		5.2
New Zealand				52,684			53,231		4.0
Cayman Islands				48,133			53,013		4.0
Germany				40,406			42,863		3.2
Other				236,277			256,300		19.4
		Total	$	1,257,917		$	1,322,073		100.0	%
December 31, 2011:							Estimated
				Amortized Cost			Fair Value		% of Total
Australia			$	437,713		$	446,694		39.1	%
Japan				214,994			219,276		19.2
United Kingdom				118,618			130,106		11.4
Germany				72,926			75,741		6.6
New Zealand				51,547			51,544		4.5
South Africa				37,624			38,528		3.4
South Korea				30,592			32,025		2.8
Other				139,927			148,792		13.0
		Total	$	1,103,941		$	1,142,706		100.0	%

Non Sovereign Fixed Maturity And Equity Securities In European Peripheral Region [Table Text Block]

June 30, 2012:								Estimated
					Amortized Cost			Fair Value		% of Total
Financial institutions:
	Ireland			$	3,477		$	3,864		6.1	%
	Spain				23,486			20,865		32.9
		Total financial institutions			26,963			24,729		39.0
Other:
	Ireland				12,476			13,042		20.6
	Italy				3,544			3,438		5.4
	Spain				24,420			22,148		35.0
		Total other			40,440			38,628		61.0
			Total	$	67,403		$	63,357		100.0	%

December 31, 2011:								Estimated
					Amortized Cost			Fair Value		% of Total
Financial institutions:
	Ireland			$	4,084		$	4,397		5.9	%
	Spain				25,565			20,378		27.6
		Total financial institutions			29,649			24,775		33.5
Other:
	Ireland				12,474			13,149		17.8
	Italy				2,898			2,808		3.8
	Spain				34,459			33,137		44.9
		Total other			49,831			49,094		66.5
			Total	$	79,480		$	73,869		100.0	%

Investments In Debt And Equity Securities Gross Unrealized Losses Disclosures

		June 30, 2012						December 31, 2011
		Gross						Gross
		Unrealized						Unrealized
		Losses			% of Total			Losses			% of Total
Less than 20%		$	77,198		39.3	%		$	131,155		44.8	%
20% or more for less than six months			6,739		3.4				51,503		17.6
20% or more for six months or greater			112,362		57.3				109,828		37.6
	Total	$	196,299		100.0	%		$	292,486		100.0	%

Fair Value And Investments In Debt And Marketable Equity Securities And Certain Trading Assets Disclosures

			Less than 12 months						12 months or greater						Total
						Gross						Gross						Gross
June 30, 2012:			Estimated			Unrealized			Estimated			Unrealized			Estimated			Unrealized
			Fair Value			Losses			Fair Value			Losses			Fair Value			Losses
Investment grade securities:
	Corporate securities		$	397,287		$	12,765		$	299,074		$	41,570		$	696,361		$	54,335
	Canadian and Canadian provincial
		governments		10,573			88			--			--			10,573			88
	Residential mortgage-backed securities			36,106			425			54,545			6,573			90,651			6,998
	Asset-backed securities			59,722			938			101,011			24,734			160,733			25,672
	Commercial mortgage-backed securities			129,450			2,590			73,130			12,757			202,580			15,347
	U.S. government and agencies			4,004			11			--			--			4,004			11
	State and political subdivisions			24,191			2,532			18,688			5,866			42,879			8,398
	Other foreign government, supranational and
		foreign government-sponsored enterprises		79,976			465			33,620			1,449			113,596			1,914
		Total investment grade securities		741,309			19,814			580,068			92,949			1,321,377			112,763
Non-investment grade securities:
	Corporate securities			135,253			4,001			49,063			7,279			184,316			11,280
	Residential mortgage-backed securities			2,025			178			9,858			782			11,883			960
	Asset-backed securities			7			18			19,374			15,621			19,381			15,639
	Commercial mortgage-backed securities			12,483			1,218			73,062			51,340			85,545			52,558
	Other foreign government, supranational and
		foreign government-sponsored enterprises		11,779			625			--			--			11,779			625
		Total non-investment grade securities		161,547			6,040			151,357			75,022			312,904			81,062
		Total fixed maturity securities	$	902,856		$	25,854		$	731,425		$	167,971		$	1,634,281		$	193,825
	Non-redeemable preferred stock		$	1,743		$	245		$	17,280		$	2,220		$	19,023		$	2,465
	Other equity securities			--			--			309			9			309			9
		Total equity securities	$	1,743		$	245		$	17,589		$	2,229		$	19,332		$	2,474

			Less than 12 months						12 months or greater						Total
						Gross						Gross						Gross
December 31, 2011:			Estimated			Unrealized			Estimated			Unrealized			Estimated			Unrealized
			Fair Value			Losses			Fair Value			Losses			Fair Value			Losses
Investment grade securities:
	Corporate securities		$	790,758		$	40,180		$	286,244		$	63,117		$	1,077,002		$	103,297
	Canadian and Canadian provincial
		governments		3,094			29			--			--			3,094			29
	Residential mortgage-backed securities			128,622			3,549			58,388			10,382			187,010			13,931
	Asset-backed securities			101,263			3,592			93,910			29,036			195,173			32,628
	Commercial mortgage-backed securities			109,455			3,538			58,979			22,001			168,434			25,539
	U.S. government and agencies			1,764			61			--			--			1,764			61
	State and political subdivisions			21,045			1,845			12,273			1,268			33,318			3,113
	Other foreign government, supranational and
		foreign government-sponsored enterprises		148,416			1,085			16,588			2,491			165,004			3,576
		Total investment grade securities		1,304,417			53,879			526,382			128,295			1,830,799			182,174
Non-investment grade securities:
	Corporate securities			212,795			10,852			47,310			11,222			260,105			22,074
	Residential mortgage-backed securities			23,199			712			10,459			1,781			33,658			2,493
	Asset-backed securities			2,363			940			21,275			20,107			23,638			21,047
	Commercial mortgage-backed securities			34,918			7,220			62,357			46,730			97,275			53,950
	State and political subdivisions			4,000			228			--			--			4,000			228
		Total non-investment grade securities		277,275			19,952			141,401			79,840			418,676			99,792
		Total fixed maturity securities	$	1,581,692		$	73,831		$	667,783		$	208,135		$	2,249,475		$	281,966
	Non-redeemable preferred stock		$	19,516		$	4,478		$	15,694		$	4,504		$	35,210		$	8,982
	Other equity securities			1,662			602			5,905			936			7,567			1,538
		Total equity securities	$	21,178		$	5,080		$	21,599		$	5,440		$	42,777		$	10,520

Mortgage Loan Internal Credit Risk Grade

Internal credit risk grade:			June 30, 2012			December 31, 2011
	High investment grade		$	306,845		$	252,333
	Investment grade			656,968			526,608
	Average			92,668			105,177
	Watch list			95,727			91,037
	In or near default			15,852			28,369
		Total	$	1,168,060		$	1,003,524

Schedule Of Analysis Of Past Due Financing Receivables

			June 30, 2012			December 31, 2011
31-60 days past due			$	18,211		$	21,800
61-90 days past due				3,610			--
Greater than 90 days				14,367			20,316
	Total past due			36,188			42,116
Current				1,131,872			961,408
		Total	$	1,168,060		$	1,003,524

Recorded Investment And Allowance For Credit Losses

The following table presents the recorded investment in mortgage loans, by method of evaluation of credit loss, and the related valuation allowances, by type of credit loss, at (dollars in thousands):
			June 30, 2012			December 31, 2011
Mortgage loans:
	Evaluated individually for credit losses		$	47,808		$	60,904
	Evaluated collectively for credit losses			1,120,252			942,620
		Mortgage loans, gross of valuation allowances		1,168,060			1,003,524
Valuation allowances:
	Specific for credit losses			6,959			8,188
	Non-specifically identified credit losses			4,052			3,605
		Total valuation allowances		11,011			11,793
		Mortgage loans, net of valuation allowances	$	1,157,049		$	991,731

Allowance For Mortgage Loan And Lease Losses Provision For Loss Net

			Three Months Ended June 30,						Six Months Ended June 30,
			2012			2011			2012			2011
Balance, beginning of period			$	14,650		$	5,664		$	11,793		$	6,239
Charge-offs				(1,876)			(1,157)			(4,069)			(1,157)
Provision (release)				(1,763)			3,185			3,287			2,610
Balance, end of period			$	11,011		$	7,692		$	11,011		$	7,692

Impaired Financing Receivables Table

		Unpaid Principal Balance			Recorded Investment			Related Allowance			Carrying Value
June 30, 2012:
Impaired mortgage loans with no valuation allowance recorded		$	10,066		$	9,523		$	--		$	9,523
Impaired mortgage loans with valuation allowance recorded			38,424			38,285			6,959			31,326
	Total impaired mortgage loans	$	48,490		$	47,808		$	6,959		$	40,849
December 31, 2011:
Impaired mortgage loans with no valuation allowance recorded		$	32,088		$	31,496		$	--		$	31,496
Impaired mortgage loans with valuation allowance recorded			29,724			29,408			8,188			21,220
	Total impaired mortgage loans	$	61,812		$	60,904		$	8,188		$	52,716

		Three Months Ended
		June 30, 2012						June 30, 2011
		Average Investment(1)			Interest Income			Average Investment(1)			Interest Income
Impaired mortgage loans with no valuation allowance recorded		$	10,585		$	28		$	12,720		$	51
Impaired mortgage loans with valuation allowance recorded			41,747			410			23,908			209
	Total	$	52,332		$	438		$	36,628		$	260
		Six Months Ended
		June 30, 2012						June 30, 2011
		Average Investment(1)			Interest Income			Average Investment(1)			Interest Income
Impaired mortgage loans with no valuation allowance recorded		$	17,555		$	197		$	14,114		$	93
Impaired mortgage loans with valuation allowance recorded			37,634			718			22,187			453
	Total	$	55,189		$	915		$	36,301		$	546
(1)	Average recorded investment represents the average loan balances as of the beginning of period and all subsequent quarterly end of period balances.

Schedule Of Other Invested Assets [Table Text Block]

			June 30, 2012			December 31, 2011
Equity securities			$	79,197		$	113,900
Limited partnerships and joint ventures				300,385			251,315
Structured loans				238,367			281,022
Derivatives				250,460			257,050
Other				72,196			109,254
	Total other invested assets		$	940,605		$	1,012,541

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- Definition

The table presents the rollforward of valuation allowance for mortgage loans held-for-investment, by portfolio segment.

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Fair Value And Investments In Debt And Marketable Equity Securities And Certain Trading Assets Disclosures

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This table includes the amortized cost, estimated fair value and average credit rating by industry type for the fixed maturity holdings.

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Investments classified by contractual maturity date.

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This table presents certain information about equity securities in an unrealized gross loss position of 20% or more.

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This table presents information regarding the credit quality indicators for mortgage loans.

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