Industry Segments (Tables)

6 Months Ended

Jun. 30, 2015

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) to Common Stockholders
Three months ended June 30, 2015:
Insurance-Domestic	$	1,159,653	$	93,114	$	24,385	$	1,277,152	$	175,953		$	120,578
Insurance-International	191,729		10,150		—		201,879		7,517			5,518
Reinsurance-Global	141,659		18,066		—		159,725		27,122			18,827
Corporate and eliminations (1)	—		6,253		117,199		123,452		(59,962		)	(39,799		)
Net investment gains	—		—		27,557		27,557		27,557			17,911
Total	$	1,493,041	$	127,583	$	169,141	$	1,789,765	$	178,187		$	123,035
Three months ended June 30, 2014:
Insurance-Domestic	$	1,041,745	$	103,073	$	26,985	$	1,171,803	$	176,855		$	121,834
Insurance-International	201,868		11,276		—		213,144		11,510			8,253
Reinsurance-Global	174,032		17,608		—		191,640		25,866			18,025
Corporate and eliminations (1)	—		6,772		104,462		111,234		(59,945		)	(39,110		)
Net investment gains	—		—		109,168		109,168		109,168			70,959
Total	$	1,417,645	$	138,729	$	240,615	$	1,796,989	$	263,454		$	179,961
Six months ended June 30, 2015
Insurance-Domestic	$	2,277,195	$	175,766	$	49,960	$	2,502,921	$	342,819		$	235,488
Insurance-International	385,463		26,582		—		412,045		28,820			20,647
Reinsurance-Global	302,396		35,107		—		337,503		47,384			33,327
Corporate and eliminations (1)	—		14,367		221,007		235,374		(118,720		)	(78,410		)
Net investment gains	—		—		46,601		46,601		46,601			30,290
Total	$	2,965,054	$	251,822	$	317,568	$	3,534,444	$	346,904		$	241,342
Six months ended June 30, 2014:
Insurance-Domestic	$	2,045,252	$	221,210	$	55,751	$	2,322,213	$	379,040		$	259,870
Insurance-International	387,192		27,928		—		415,120		29,257			20,721
Reinsurance-Global	348,813		45,186		—		393,999		57,940			40,417
Corporate and eliminations (1)	—		13,116		197,525		210,641		(117,120		)	(76,623		)
Net investment gains	—		—		161,922		161,922		161,922			105,249
Total	$	2,781,257	$	307,440	$	415,198	$	3,503,895	$	511,039		$	349,634

________

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

Identifiable Assets By Segment

Identifiable assets by segment are as follows:

(In thousands)	June 30, 2015		December 31, 2014
Insurance-Domestic	$	16,105,299	$	16,036,513
Insurance-International	1,854,074		1,876,347
Reinsurance-Global	2,532,001		2,708,090
Corporate and eliminations	1,198,435		1,058,289
Total	$	21,689,809	$	21,679,239

Net Premiums Earned By Major Line Of Business

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

	For the Three Months				For the Six Months
	Ended June 30,				Ended June 30,
(In thousands)	2015		2014		2015		2014
Insurance-Domestic:
Other liability	$	379,445	$	362,074	$	751,484	$	701,707
Workers’ compensation	325,123		270,212		617,740		533,244
Short-tail lines	229,167		215,506		456,893		420,272
Commercial automobile	138,511		127,102		273,468		251,470
Professional liability	87,407		66,851		177,610		138,559
Total	1,159,653		1,041,745		2,277,195		2,045,252
Insurance-International:
Other liability	21,929		22,956		46,794		42,331
Workers’ compensation	22,673		17,241		44,794		34,566
Short-tail lines	93,992		106,428		189,356		202,702
Commercial automobile	31,498		29,649		62,101		57,242
Professional liability	21,637		25,594		42,418		50,351
Total	191,729		201,868		385,463		387,192
Reinsurance-Global:
Casualty	98,448		124,550		211,264		250,153
Property	43,211		49,482		91,132		98,660
Total	141,659		174,032		302,396		348,813
Total	$	1,493,041	$	1,417,645	$	2,965,054	$	2,781,257