Acquisitions, Dispositions and Goodwill (Tables)

12 Months Ended

Dec. 31, 2014

Goodwill [Abstract]

Goodwill balances by reportable segments

		U.S. Property		Professional		Accident		U.S. Surety
		& Casualty		Liability		& Health		& Credit		International		Total
Balance at December 31, 2012		$	223,000	$	314,089	$	144,113	$	79,700	$	124,958	$	885,860
Earnout and other			-		9,104		-		-		236		9,340
	Balance at December 31, 2013		223,000		323,193		144,113		79,700		125,194		895,200
Acquisition			-		-		-		6,996		-		6,996
Earnout and other			-		4,131		-		-		(691)		3,440
	Balance at December 31, 2014	$	223,000	$	327,324	$	144,113	$	86,696	$	124,503	$	905,636