Segment Information (Tables)

6 Months Ended

Jun. 30, 2011

Notes to Financial Statements [Abstract]

Premium Income by Major Line of Business within Each Segment

Premium income by major line of business within each of our segments is presented as follows. Certain prior year amounts within Unum UK have been reclassified to conform to current year presentation.

	Three Months Ended June 30				Six Months Ended June 30
	2011		2010		2011		2010
	(in millions of dollars)
Unum US
Group Disability
Group Long-term Disability	$	394.6	$	413.1	$	791.6	$	828.7
Group Short-term Disability	112.8		107.6		223.8		213.8
Group Life and Accidental Death & Dismemberment
Group Life	274.3		271.4		547.7		541.5
Accidental Death & Dismemberment	26.8		26.3		53.9		52.3
Supplemental and Voluntary
Individual Disability - Recently Issued	116.6		114.4		231.7		232.8
Long-term Care	150.8		149.5		301.4		298.7
Voluntary Benefits	144.7		134.2		289.9		264.8
	1,220.6		1,216.5		2,440.0		2,432.6
Unum UK
Group Long-term Disability	107.6		99.6		211.0		208.9
Group Life	51.9		39.5		99.5		82.3
Supplemental and Voluntary	16.3		13.8		32.4		27.5
	175.8		152.9		342.9		318.7
Colonial Life
Accident, Sickness, and Disability	173.1		164.2		345.4		327.0
Life	46.8		44.1		93.0		87.6
Cancer and Critical Illness	62.1		59.4		124.0		118.2
	282.0		267.7		562.4		532.8
Individual Disability - Closed Block	196.3		212.5		398.6		426.5
Corporate and Other	0.3		0.2		0.6		2.4
Total	$	1,875.0	$	1,849.8	$	3,744.5	$	3,713.0

Selected Operating Statement Data by Segment

Selected operating statement data by segment is presented as follows:

	Unum US		Unum UK		Colonial Life		Individual Disability - Closed Block		Corporate and Other			Total
	(in millions of dollars)
Three Months Ended June 30, 2011
Premium Income	$	1,220.6	$	175.8	$	282.0	$	196.3	$	0.3		$	1,875.0
Net Investment Income	329.1		51.1		35.8		180.3		40.8			637.1
Other Income	29.7		—		0.2		21.7		4.4			56.0
Operating Revenue	$	1,579.4	$	226.9	$	318.0	$	398.3	$	45.5		$	2,568.1
Operating Income (Loss)	$	218.1	$	54.7	$	75.2	$	10.4	$	(16.8	)	$	341.6
Three Months Ended June 30, 2010
Premium Income	$	1,216.5	$	152.9	$	267.7	$	212.5	$	0.2		$	1,849.8
Net Investment Income	318.7		43.1		29.3		187.3		51.4			629.8
Other Income	30.4		0.4		0.1		23.1		6.5			60.5
Operating Revenue	$	1,565.6	$	196.4	$	297.1	$	422.9	$	58.1		$	2,540.1
Operating Income (Loss)	$	216.0	$	52.9	$	73.9	$	12.4	$	(17.6	)	$	337.6
Six Months Ended June 30, 2011
Premium Income	$	2,440.0	$	342.9	$	562.4	$	398.6	$	0.6		$	3,744.5
Net Investment Income	650.7		96.0		67.1		362.3		79.7			1,255.8
Other Income	60.7		0.1		0.3		44.3		10.3			115.7
Operating Revenue	$	3,151.4	$	439.0	$	629.8	$	805.2	$	90.6		$	5,116.0
Operating Income (Loss)	$	427.2	$	103.4	$	144.2	$	20.3	$	(38.5	)	$	656.6
Six Months Ended June 30, 2010
Premium Income	$	2,432.6	$	318.7	$	532.8	$	426.5	$	2.4		$	3,713.0
Net Investment Income	623.3		82.9		59.2		378.0		99.4			1,242.8
Other Income	60.9		0.9		0.3		44.6		13.6			120.3
Operating Revenue	$	3,116.8	$	402.5	$	592.3	$	849.1	$	115.4		$	5,076.1
Operating Income (Loss)	$	415.2	$	113.5	$	146.9	$	24.1	$	(26.5	)	$	673.2

Reconciliation of Total Operating Revenue and Operating Income by Segment to Revenue and Net Income

A reconciliation of total operating revenue and operating income by segment to revenue and net income as reported in our consolidated statements of income follows:

	Three Months Ended June 30						Six Months Ended June 30
	2011			2010			2011		2010
	(in millions of dollars)
Operating Revenue by Segment	$	2,568.1		$	2,540.1		$	5,116.0	$	5,076.1
Net Realized Investment Gain (Loss)	(3.6		)	(29.5		)	11.6		(3.9		)
Revenue	$	2,564.5		$	2,510.6		$	5,127.6	$	5,072.2
Operating Income by Segment	$	341.6		$	337.6		$	656.6	$	673.2
Net Realized Investment Gain (Loss)	(3.6		)	(29.5		)	11.6		(3.9		)
Income Tax	108.2			98.4			213.0		229.8
Net Income	$	229.8		$	209.7		$	455.2	$	439.5

Assets by Segment

Assets by segment are as follows:

	June 30 2011		December 31 2010
	(in millions of dollars)
Unum US	$	25,426.8	$	24,876.9
Unum UK	3,583.7		3,386.3
Colonial Life	3,190.2		3,047.3
Individual Disability - Closed Block	15,472.7		15,509.1
Corporate and Other	10,342.4		10,488.1
Total	$	58,015.8	$	57,307.7