Available For Sale Securities (Tables)

12 Months Ended

Dec. 31, 2013

Available For Sale Securities [Abstract]

Amortized Cost, Gross Unrealized Gains And Losses And Estimated Fair Value Of Available For Sale Investments

	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
2013
Bonds and notes:
U.S. Government securities	$	1,781,052	$	226	$	12	$	1,781,266
Residential mortgage-backed securities		570,642		9,946		1,426		579,162
Commercial mortgage-backed securities		18,271		13		299		17,985
Other asset-backed securities		183,593		627		184		184,036
All other corporates		50,933		267		37		51,163
Total fixed maturities		2,604,491		11,079		1,958		2,613,612
Equity securities:
Common stocks:
First Quantum Minerals Ltd.		154,281		–		5,616		148,665
Banks, trusts and insurance companies		22,980		27,562		–		50,542
Industrial, miscellaneous and all other		21,012		32,312		–		53,324
Total equity securities		198,273		59,874		5,616		252,531
	$	2,802,764	$	70,953	$	7,574	$	2,866,143
2012
Bonds and notes:
U.S. Government and federal agency securities	$	1,663,225	$	327	$	40	$	1,663,512
Residential mortgage-backed securities		585,772		16,506		822		601,456
Commercial mortgage-backed securities		58,683		583		153		59,113
Other asset-backed securities		80,866		78		388		80,556
All other corporates		16,377		275		4		16,648
Total fixed maturities		2,404,923		17,769		1,407		2,421,285
Equity securities:
Common stocks:
Inmet Mining Corporation		504,006		319,751		–		823,757
Banks, trusts and insurance companies		32,811		33,129		331		65,609
Industrial, miscellaneous and all other		23,195		22,562		300		45,457
Total equity securities		560,012		375,442		631		934,823
Other investments		1,054		–		170		884
	$	2,965,989	$	393,211	$	2,208	$	3,356,992

Amortized Cost And Estimated Fair Value Of Investments Classified As Available For Sale By Contractual Maturity

	Amortized Cost		Estimated Fair Value
	(In thousands)
Due within one year	$	1,787,428	$	1,787,647
Due after one year through five years		44,018		44,243
Due after five years through ten years		539		539
Due after ten years		–		–
		1,831,985		1,832,429
Mortgage-backed and asset-backed securities		772,506		781,183
	$	2,604,491	$	2,613,612