Industry Segments (Tables)

12 Months Ended

Dec. 31, 2013

Segment Reporting [Abstract]

Financial Information Of Company Operating Segments

Summary financial information about the Company’s operating segments is presented in the following table. Income (loss) before income taxes by segment includes allocated investment income. Identifiable assets by segment are those assets used in or allocated to the operation of each segment.

Revenues
(In thousands)	Earned Premiums		Investment Income		Other		Total		Pre-Tax Income (Loss)			Net Income (Loss)
December 31, 2013:
Insurance-Domestic	$	3,782,416	$	404,280	$	107,517	$	4,294,213	$	648,740		$	449,981
Insurance-International	723,151		47,039		—		770,190		56,922			40,292
Reinsurance-Global	720,970		89,090		—		810,060		110,425			78,013
Corporate, other and eliminations(1)	—		3,882		408,645		412,527		(238,743		)	(142,479		)
Net investment gains	—		—		121,544		121,544		121,544			74,118
Consolidated	$	5,226,537	$	544,291	$	637,706	$	6,408,534	$	698,888		$	499,925
December 31, 2012:
Insurance-Domestic	$	3,417,022	$	424,787	$	103,133	$	3,944,942	$	578,500		$	397,942
Insurance-International	631,841		45,796		—		677,637		51,639			35,928
Reinsurance-Global	624,653		106,932		—		731,585		103,690			72,916
Corporate, other and eliminations(1)	—		9,248		249,677		258,925		(242,366		)	(132,996		)
Net investment gains	—		—		210,465		210,465		210,465			136,802
Consolidated	$	4,673,516	$	586,763	$	563,275	$	5,823,554	$	701,928		$	510,592
December 31, 2011:
Insurance-Domestic	$	3,121,281	$	372,053	$	92,847	$	3,586,181	$	467,126		$	345,399
Insurance-International	508,509		36,958		—		545,467		36,912			28,142
Reinsurance-Global	531,077		97,795		—		628,872		85,271			66,405
Corporate, other and eliminations(1)	—		19,545		250,438		269,983		(201,704		)	(130,382		)
Net investment gains	—		—		125,481		125,481		125,481			81,647
Consolidated	$	4,160,867	$	526,351	$	468,766	$	5,155,984	$	513,086		$	391,211

Identifiable Assets by Segments

Identifiable Assets
(In thousands)	December 31, 2013		December 31, 2012
Insurance-Domestic	$	15,247,807	$	14,661,476
Insurance-International	1,516,310		1,541,365
Reinsurance-Global	3,103,193		3,337,937
Corporate, other and eliminations(1)	684,486		615,118
Consolidated	$	20,551,796	$	20,155,896

_______________________________________

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

Net Premiums Earned By Major Line Of Business

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

(In thousands)	2013		2012		2011
Insurance-Domestic
Other liability	$	1,259,376	$	1,104,369	$	1,003,080
Workers' compensation	995,047		869,042		785,454
Short-tail lines	774,809		733,239		665,575
Commercial automobile	486,759		455,988		437,891
Professional liability	266,425		254,384		229,281
Total Insurance-Domestic	3,782,416		3,417,022		3,121,281
Insurance-International
Other liability	65,528		44,065		49,800
Workers' compensation	84,637		82,066		73,823
Short-tail lines	336,814		276,599		183,447
Commercial automobile	130,020		125,927		110,568
Professional liability	106,152		103,184		90,871
Total Insurance-International	723,151		631,841		508,509
Reinsurance-Global
Casualty	507,790		456,376		389,557
Property	213,180		168,277		141,520
Total Reinsurance-Global	720,970		624,653		531,077
Total	$	5,226,537	$	4,673,516	$	4,160,867