Segment Information (Tables)

6 Months Ended

Jun. 30, 2012

Segment Reporting [Abstract]

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
	2012			2011			2012			2011
	(in millions of dollars)
Operating Revenue by Segment	$	2,620.0		$	2,568.1		$	5,218.9		$	5,116.0
Net Realized Investment Gain (Loss)	(2.1		)	(3.6		)	10.3			11.6
Revenue	$	2,617.9		$	2,564.5		$	5,229.2		$	5,127.6
Operating Income by Segment	$	310.1		$	346.1		$	619.3		$	666.3
Net Realized Investment Gain (Loss)	(2.1		)	(3.6		)	10.3			11.6
Non-operating Retirement-related Loss	(11.6		)	(8.0		)	(23.2		)	(16.0		)
Income Tax	(80.0		)	(106.9		)	(176.1		)	(210.7		)
Net Income	$	216.4		$	227.6		$	430.3		$	451.2

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:

	Three Months Ended June 30				Six Months Ended June 30
	2012		2011		2012		2011
	(in millions of dollars)
Unum US
Group Disability
Group Long-term Disability	$	397.8	$	394.6	$	793.3	$	791.6
Group Short-term Disability	118.2		112.8		235.9		223.8
Group Life and Accidental Death & Dismemberment
Group Life	294.2		274.3		587.8		547.7
Accidental Death & Dismemberment	28.7		26.8		57.0		53.9
Supplemental and Voluntary
Individual Disability - Recently Issued	118.7		116.6		237.1		231.7
Voluntary Benefits	157.4		144.7		315.9		289.9
	1,115.0		1,069.8		2,227.0		2,138.6
Unum UK
Group Long-term Disability	101.7		107.6		203.6		211.0
Group Life	55.5		51.9		108.2		99.5
Supplemental and Voluntary	16.0		16.3		32.1		32.4
	173.2		175.8		343.9		342.9
Colonial Life
Accident, Sickness, and Disability	179.8		173.1		360.0		345.4
Life	52.4		46.8		104.1		93.0
Cancer and Critical Illness	64.7		62.1		129.1		124.0
	296.9		282.0		593.2		562.4
Closed Block
Individual Disability	184.6		196.3		371.8		398.6
Long-term Care	156.9		150.8		312.1		301.4
All Other	1.0		0.3		1.5		0.6
	342.5		347.4		685.4		700.6
Total	$	1,927.6	$	1,875.0	$	3,849.5	$	3,744.5

Selected Operating Statement Data by Segment

Selected operating statement data by segment is presented as follows:

	Unum US		Unum UK		Colonial Life		Closed Block		Corporate			Total
	(in millions of dollars)
Three Months Ended June 30, 2012
Premium Income	$	1,115.0	$	173.2	$	296.9	$	342.5	$	—		$	1,927.6
Net Investment Income	236.9		49.2		34.0		304.5		8.9			633.5
Other Income	30.7		—		0.1		26.6		1.5			58.9
Operating Revenue	$	1,382.6	$	222.4	$	331.0	$	673.6	$	10.4		$	2,620.0
Operating Income (Loss)	$	212.7	$	30.0	$	67.6	$	25.7	$	(25.9	)	$	310.1
Three Months Ended June 30, 2011
Premium Income	$	1,069.8	$	175.8	$	282.0	$	347.4	$	—		$	1,875.0
Net Investment Income	238.9		51.1		35.8		294.5		16.8			637.1
Other Income	29.5		—		0.2		26.7		(0.4		)	56.0
Operating Revenue	$	1,338.2	$	226.9	$	318.0	$	668.6	$	16.4		$	2,568.1
Operating Income (Loss)	$	205.6	$	55.2	$	71.9	$	30.4	$	(17.0	)	$	346.1
Six Months Ended June 30, 2012
Premium Income	$	2,227.0	$	343.9	$	593.2	$	685.4	$	—		$	3,849.5
Net Investment Income	475.5		85.7		69.6		606.1		16.1			1,253.0
Other Income	61.8		0.1		0.2		52.5		1.8			116.4
Operating Revenue	$	2,764.3	$	429.7	$	663.0	$	1,344.0	$	17.9		$	5,218.9
Operating Income (Loss)	$	418.6	$	68.8	$	137.3	$	41.1	$	(46.5	)	$	619.3
Six Months Ended June 30, 2011
Premium Income	$	2,138.6	$	342.9	$	562.4	$	700.6	$	—		$	3,744.5
Net Investment Income	472.6		96.0		67.1		588.8		31.3			1,255.8
Other Income	60.5		0.1		0.3		54.2		0.6			115.7
Operating Revenue	$	2,671.7	$	439.0	$	629.8	$	1,343.6	$	31.9		$	5,116.0
Operating Income (Loss)	$	400.3	$	104.1	$	138.4	$	62.3	$	(38.8	)	$	666.3

Assets by Segment

Assets by segment are as follows:

	June 30		December 31
	2012		2011
	(in millions of dollars)
Unum US	$	18,808.3	$	18,583.6
Unum UK	3,771.2		3,549.5
Colonial Life	3,280.2		3,167.8
Closed Block	32,098.1		31,439.5
Corporate	2,720.9		2,814.8
Total	$	60,678.7	$	59,555.2