Segment Information (Tables)

6 Months Ended

Jun. 30, 2014

Segment Information [Abstract]

Financial Information with Respect to Business Segments

		Three Months Ended				Six Months Ended
		June 30,				June 30,
(in millions)		2014		2013		2014		2013
Operating revenues:
Commercial Lines	$	556.9	$	523.7	$	1,108.9	$	1,038.4
Personal Lines		371.4		388.9		742.4		780.0
Chaucer		320.6		253.5		635.1		517.4
Other		1.9		2.8		3.9		5.3
Total		1,250.8		1,168.9		2,490.3		2,341.1
Net realized investment gains		22.2		13.7		26.6		21.8
Total revenues	$	1,273.0	$	1,182.6	$	2,516.9	$	2,362.9
Operating income (loss) before income taxes:
Commercial Lines:
GAAP underwriting gain (loss)	$	7.3	$	(9.5)	$	(14.0)	$	(12.6)
Net investment income		37.2		36.0		74.5		72.1
Other expense		(0.3)		(0.3)		(0.2)		(0.3)
Commercial Lines operating income		44.2		26.2		60.3		59.2
Personal Lines:
GAAP underwriting income (loss)		3.6		(0.3)		5.7		9.8
Net investment income		18.0		19.1		35.9		38.1
Other income		1.1		1.1		2.7		2.5
Personal Lines operating income		22.7		19.9		44.3		50.4
Chaucer:
GAAP underwriting income		24.3		24.7		60.8		57.7
Net investment income		10.7		10.7		21.2		21.2
Other income (expense)		3.1		1.5		5.3		(1.1)
Chaucer operating income		38.1		36.9		87.3		77.8
Other:
GAAP underwriting loss		(0.9)		(1.0)		(1.4)		(2.1)
Net investment income		1.1		2.1		2.4		3.8
Other net expenses		(3.0)		(3.0)		(5.7)		(5.8)
Other operating loss		(2.8)		(1.9)		(4.7)		(4.1)
Operating income before interest expense and income taxes		102.2		81.1		187.2		183.3
Interest on debt		(16.3)		(17.4)		(32.6)		(32.1)
Operating income before income taxes		85.9		63.7		154.6		151.2
Non-operating income items:
Net realized investment gains		22.2		13.7		26.6		21.8
Net loss from repayment of debt		-		(11.3)		-		(19.1)
Net (costs) benefit related to acquired businesses		(0.2)		(0.2)		(1.1)		0.2
Net foreign exchange (losses) gains		(0.2)		-		(0.3)		0.7
Income before income taxes	$	107.7	$	65.9	$	179.8	$	154.8

Identifiable Assets by Business Segment

	June 30,		December 31,
	2014		2013
(in millions)	Identifiable Assets
U.S. Companies	$	9,176.9	$	8,962.6
Chaucer		4,672.9		4,301.2
Discontinued operations		115.0		114.9
Total	$	13,964.8	$	13,378.7