Industry Segments (Tables)

9 Months Ended

Sep. 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 September 30, 2013:
Insurance-Domestic	$	958,994	$	94,071	$	26,125	$	1,079,190	$	172,177		$	118,183
Insurance-International	189,054		11,151		—		200,205		16,129			11,225
Reinsurance-Global	180,814		20,121		—		200,935		24,559			17,300
Corporate and eliminations (1)	—		291		109,634		109,925		(58,501		)	(38,248		)
Net investment gains	—		—		43,869		43,869		43,869			28,514
Total	$	1,328,862	$	125,634	$	179,628	$	1,634,124	$	198,233		$	136,974
Three months ended September 30, 2012:
Insurance-Domestic	$	873,835	$	82,565	$	26,208	$	982,608	$	132,498		$	94,852
Insurance-International	157,773		10,411		—		168,184		13,806			10,027
Reinsurance-Global	154,925		21,149		—		176,074		23,048			17,202
Corporate and eliminations (1)	—		1,894		69,515		71,409		(57,885		)	(35,945		)
Net investment gains	—		—		22,226		22,226		22,226			14,811
Total	$	1,186,533	$	116,019	$	117,949	$	1,420,501	$	133,693		$	100,947
Nine months ended September 30, 2013:
Insurance-Domestic	$	2,769,369	$	299,430	$	80,513	$	3,149,312	$	465,861		$	324,069
Insurance-International	540,365		36,383		—		576,748		51,094			35,794
Reinsurance-Global	533,762		65,656		—		599,418		87,252			61,375
Corporate and eliminations (1)	—		3,831		285,650		289,481		(183,941		)	(114,674		)
Net investment gains	—		—		96,896		96,896		96,896			62,982
Total	$	3,843,496	$	405,300	$	463,059	$	4,711,855	$	517,162		$	369,546
Nine months ended September 30, 2012:
Insurance-Domestic	$	2,530,638	$	315,307	$	77,121	$	2,923,066	$	424,873		$	304,167
Insurance-International	456,159		31,936		—		488,095		43,287			30,972
Reinsurance-Global	446,744		78,287		—		525,031		82,140			60,343
Corporate and eliminations (1)	—		9,358		175,400		184,758		(174,868		)	(112,122		)
Net investment gains	—		—		94,003		94,003		94,003			61,743
Total	$	3,433,541	$	434,888	$	346,524	$	4,214,953	$	469,435		$	345,103

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)	September 30, 2013		December 31, 2012
Insurance-Domestic	$	15,097,667	$	14,661,476
Insurance-International	1,451,487		1,541,365
Reinsurance-Global	3,090,334		3,337,937
Corporate and eliminations	884,231		615,118
Total	$	20,523,719	$	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 Nine Months Ended
	September 30,				September 30,
(In thousands)	2013		2012		2013		2012
Insurance-Domestic:
Other liability	$	314,878	$	280,808	$	917,910	$	812,153
Workers’ compensation	252,220		223,477		722,422		637,583
Short-tail lines (1)	199,181		189,613		570,868		552,905
Commercial automobile	125,942		116,418		361,964		339,317
Products liability	66,773		63,519		196,205		188,680
Total	958,994		873,835		2,769,369		2,530,638
Insurance-International:
Other liability	18,457		29,719		48,745		47,559
Workers’ compensation	20,847		21,102		65,482		59,618
Short-tail lines (1)	92,213		52,043		248,637		183,791
Commercial automobile	30,898		30,557		97,929		90,831
Products liability	26,639		24,352		79,572		74,360
Total	189,054		157,773		540,365		456,159
Reinsurance-Global:
Casualty	128,127		112,914		371,571		321,277
Property	52,687		42,011		162,191		125,467
Total	180,814		154,925		533,762		446,744
Total	$	1,328,862	$	1,186,533	$	3,843,496	$	3,433,541