Industry Segments (Tables)

6 Months Ended

Jun. 30, 2013

Segment Reporting [Abstract]

Financial Information Of Company Operating Segments

	Revenues
(In thousands)	Earned Premiums		Investment Income			Other		Total		Pre-Tax Income (Loss)			Net Income (Loss)
Three months ended June 30, 2013:
Insurance-Domestic	$	925,997	$	107,562		$	27,652	$	1,061,211	$	152,334		$	106,478
Insurance-International	180,192		13,171			—		193,363		12,583			9,092
Reinsurance-Global	176,326		23,036			—		199,362		24,752			17,681
Corporate and eliminations (1)	—		(32		)	84,000		83,968		(64,021		)	(38,782		)
Net investment gains	—		—			33,058		33,058		33,058			21,488
Total	$	1,282,515	$	143,737		$	144,710	$	1,570,962	$	158,706		$	115,957
Three months ended June 30, 2012:
Insurance-Domestic	$	846,734	$	120,656		$	27,036	$	994,426	$	144,640		$	103,435
Insurance-International	154,501		11,194			—		165,695		13,782			9,833
Reinsurance-Global	146,122		28,451			—		174,573		27,454			20,055
Corporate and eliminations (1)	—		949			55,818		56,767		(61,723		)	(40,335		)
Net investment gains	—		—			24,286		24,286		24,286			15,850
Total	$	1,147,357	$	161,250		$	107,140	$	1,415,747	$	148,439		$	108,838
Six months ended June 30, 2013:
Insurance-Domestic	$	1,810,375	$	205,359		$	54,388	$	2,070,122	$	293,684		$	205,886
Insurance-International	351,311		25,232			—		376,543		34,965			24,569
Reinsurance-Global	352,948		45,535			—		398,483		62,693			44,075
Corporate and eliminations (1)	—		3,540			176,016		179,556		(125,440		)	(76,426		)
Net investment gains	—		—			53,027		53,027		53,027			34,468
Total	$	2,514,634	$	279,666		$	283,431	$	3,077,731	$	318,929		$	232,572
Six months ended June 30, 2012:
Insurance-Domestic	$	1,656,803	$	232,742		$	50,913	$	1,940,458	$	292,375		$	209,315
Insurance-International	298,386		21,525			—		319,911		29,481			20,945
Reinsurance-Global	291,819		57,138			—		348,957		59,092			43,141
Corporate and eliminations (1)	—		7,464			105,885		113,349		(116,983		)	(76,177		)
Net investment gains	—		—			71,777		71,777		71,777			46,932
Total	$	2,247,008	$	318,869		$	228,575	$	2,794,452	$	335,742		$	244,156

Identifiable Assets By Segment

___________

(1) Corporate and eliminations represent corporate revenues and expenses that are not allocated to business segments.

Identifiable assets by segment are as follows:

(In thousands)	June 30, 2013		December 31, 2012
Insurance-Domestic	$	14,849,126	$	14,661,476
Insurance-International	1,449,188		1,541,365
Reinsurance-Global	2,965,565		3,337,937
Corporate and eliminations	947,663		615,118
Total	$	20,211,542	$	20,155,896

Net Premiums Earned By Major Line Of Business

Net premiums earned by major line of business are as follows:

	For the Three Months Ended				For the Six Months Ended
	June 30,				June 30,
(In thousands)	2013		2012		2013		2012
Insurance-Domestic
Other liability	$	307,444	$	257,781	$	603,032	$	531,345
Workers’ compensation	241,191		224,562		470,202		414,106
Short-tail lines (1)	192,938		189,390		371,687		363,292
Commercial automobile	119,900		112,532		236,022		222,899
Products liability	64,524		62,469		129,432		125,161
Total	925,997		846,734		1,810,375		1,656,803
Insurance-International
Other liability	15,070		17,745		30,288		33,279
Workers’ compensation	21,746		19,898		44,635		38,516
Short-tail lines (1)	84,301		63,831		156,424		116,309
Commercial automobile	32,392		29,606		67,031		60,274
Products liability	26,683		23,421		52,933		50,008
Total	180,192		154,501		351,311		298,386
Reinsurance-Global
Casualty	122,117		103,274		243,444		208,363
Property	54,209		42,848		109,504		83,456
Total	176,326		146,122		352,948		291,819
Total	$	1,282,515	$	1,147,357	$	2,514,634	$	2,247,008