Segment Information (Tables)

9 Months Ended

Sep. 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 September 30					Nine Months Ended September 30
	2011			2010		2011			2010
	(in millions of dollars)
Unum US
Group Disability
Group Long-term Disability	$	393.7		$	404.9	$	1,185.3		$	1,233.6
Group Short-term Disability	115.2			108.7		339.0			322.5
Group Life and Accidental Death & Dismemberment
Group Life	277.6			273.0		825.3			814.5
Accidental Death & Dismemberment	27.7			27.0		81.6			79.3
Supplemental and Voluntary
Individual Disability - Recently Issued	116.6			116.7		348.3			349.5
Long-term Care	152.1			149.4		453.5			448.1
Voluntary Benefits	143.6			130.9		433.5			395.7
	1,226.5			1,210.6		3,666.5			3,643.2
Unum UK
Group Long-term Disability	107.3			101.8		318.3			310.7
Group Life	52.1			44.5		151.6			126.8
Supplemental and Voluntary	16.1			15.1		48.5			42.6
	175.5			161.4		518.4			480.1
Colonial Life
Accident, Sickness, and Disability	174.3			166.1		519.7			493.1
Life	47.0			43.4		140.0			131.0
Cancer and Critical Illness	62.4			59.8		186.4			178.0
	283.7			269.3		846.1			802.1
Individual Disability - Closed Block	196.4			208.5		595.0			635.0
Corporate and Other	(0.9		)	0.4		(0.3		)	2.8
Total	$	1,881.2		$	1,850.2	$	5,625.7		$	5,563.2

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 September 30, 2011
Premium Income	$	1,226.5	$	175.5	$	283.7	$	196.4	$	(0.9	)	$	1,881.2
Net Investment Income	332.4		43.3		32.5		181.9		39.1			629.2
Other Income	30.4		—		0.1		23.6		5.0			59.1
Operating Revenue	$	1,589.3	$	218.8	$	316.3	$	401.9	$	43.2		$	2,569.5
Operating Income (Loss)	$	219.5	$	34.9	$	70.3	$	14.0	$	(21.5	)	$	317.2
Three Months Ended September 30, 2010
Premium Income	$	1,210.6	$	161.4	$	269.3	$	208.5	$	0.4		$	1,850.2
Net Investment Income	312.9		39.0		31.9		185.5		49.1			618.4
Other Income	29.7		0.2		0.2		22.7		5.4			58.2
Operating Revenue	$	1,553.2	$	200.6	$	301.4	$	416.7	$	54.9		$	2,526.8
Operating Income (Loss)	$	204.7	$	47.2	$	74.5	$	9.8	$	(10.8	)	$	325.4
Nine Months Ended September 30, 2011
Premium Income	$	3,666.5	$	518.4	$	846.1	$	595.0	$	(0.3	)	$	5,625.7
Net Investment Income	983.1		139.3		99.6		544.2		118.8			1,885.0
Other Income	91.1		0.1		0.4		67.9		15.3			174.8
Operating Revenue	$	4,740.7	$	657.8	$	946.1	$	1,207.1	$	133.8		$	7,685.5
Operating Income (Loss)	$	646.7	$	138.3	$	214.5	$	34.3	$	(60.0	)	$	973.8
Nine Months Ended September 30, 2010
Premium Income	$	3,643.2	$	480.1	$	802.1	$	635.0	$	2.8		$	5,563.2
Net Investment Income	936.2		121.9		91.1		563.5		148.5			1,861.2
Other Income	90.6		1.1		0.5		67.3		19.0			178.5
Operating Revenue	$	4,670.0	$	603.1	$	893.7	$	1,265.8	$	170.3		$	7,602.9
Operating Income (Loss)	$	619.9	$	160.7	$	221.4	$	33.9	$	(37.3	)	$	998.6

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 September 30					Nine Months Ended September 30
	2011			2010		2011			2010
	(in millions of dollars)
Operating Revenue by Segment	$	2,569.5		$	2,526.8	$	7,685.5		$	7,602.9
Net Realized Investment Gain (Loss)	(23.9		)	1.1		(12.3		)	(2.8		)
Revenue	$	2,545.6		$	2,527.9	$	7,673.2		$	7,600.1
Operating Income by Segment	$	317.2		$	325.4	$	973.8		$	998.6
Net Realized Investment Gain (Loss)	(23.9		)	1.1		(12.3		)	(2.8		)
Income Tax	87.7			105.7		300.7			335.5
Net Income	$	205.6		$	220.8	$	660.8		$	660.3

Assets by Segment

Assets by segment are as follows:

	September 30 2011		December 31 2010
	(in millions of dollars)
Unum US	$	26,701.7	$	24,876.9
Unum UK	3,568.3		3,386.3
Colonial Life	3,294.7		3,047.3
Individual Disability - Closed Block	16,109.4		15,509.1
Corporate and Other	10,366.8		10,488.1
Total	$	60,040.9	$	57,307.7