Segments (Tables)

9 Months Ended

Sep. 30, 2012

Segments [Abstract]

Information by business segment

			U.S. Property & Casualty		Professional Liability		Accident & Health		U.S. Surety & Credit		International		Investing		Corporate & Other		Consolidated
Nine months ended September 30, 2012
Net earned premium			$	265,593	$	298,454	$	624,077	$	154,232	$	302,303	$	0	$	31,463	$	1,676,122
Other revenue				15,300		799		3,589		659		2,766		174,133		116		197,362
	Segment revenue			280,893		299,253		627,666		154,891		305,069		174,133		31,579		1,873,484
Loss and LAE				154,156		170,506		447,262		42,444		126,547		0		28,852		969,767
Other expense				89,348		49,621		93,127		83,402		108,018		0		75,303		498,819
	Segment expense			243,504		220,127		540,389		125,846		234,565		-		104,155		1,468,586
		Segment pretax earnings (loss)	$	37,389	$	79,126	$	87,277	$	29,045	$	70,504	$	174,133	$	(72,576)	$	404,898

			U.S. Property & Casualty		Professional Liability		Accident & Health		U.S. Surety & Credit		International		Investing		Corporate & Other		Consolidated
Nine months ended September 30, 2011
Net earned premium			$	245,121	$	307,240	$	568,318	$	153,309	$	267,458	$	0	$	35,541	$	1,576,987
Other revenue				16,556		358		3,468		955		2,791		158,472		(503)		182,097
	Segment revenue			261,677		307,598		571,786		154,264		270,249		158,472		35,038		1,759,084
Loss and LAE				148,783		257,632		411,851		42,351		175,635		0		25,988		1,062,240
Other expense				82,202		40,055		89,228		82,909		99,754		0		60,120		454,268
	Segment expense			230,985		297,687		501,079		125,260		275,389		-		86,108		1,516,508
		Segment pretax earnings (loss)	$	30,692	$	9,911	$	70,707	$	29,004	$	(5,140)	$	158,472	$	(51,070)	$	242,576

Three months ended September 30, 2012
Net earned premium			$	87,741	$	97,549	$	209,049	$	53,388	$	105,831	$	0	$	10,092	$	563,650
Other revenue				8,415		532		1,095		244		631		57,183		(77)		68,023
	Segment revenue			96,156		98,081		210,144		53,632		106,462		57,183		10,015		631,673
Loss and LAE				53,229		36,183		140,344		15,721		46,924		0		11,613		304,014
Other expense				29,581		13,414		32,025		27,879		39,253		0		31,888		174,040
	Segment expense			82,810		49,597		172,369		43,600		86,177		0		43,501		478,054
		Segment pretax earnings (loss)	$	13,346	$	48,484	$	37,775	$	10,032	$	20,285	$	57,183	$	(33,486)	$	153,619

Three months ended September 30, 2011
Net earned premium			$	85,946	$	104,066	$	191,715	$	51,906	$	99,294	$	0	$	11,329	$	544,256
Other revenue				6,890		109		1,275		254		889		57,439		(588)		66,268
	Segment revenue			92,836		104,175		192,990		52,160		100,183		57,439		10,741		610,524
Loss and LAE				56,355		119,617		138,566		12,664		45,242		0		7,928		380,372
Other expense				26,627		6,023		29,897		27,657		35,734		0		21,422		147,360
	Segment expense			82,982		125,640		168,463		40,321		80,976		-		29,350		527,732
		Segment pretax earnings (loss)	$	9,854	$	(21,465)	$	24,527	$	11,839	$	19,207	$	57,439	$	(18,609)	$	82,792