Segment Information (Tables)

6 Months Ended

Jun. 30, 2013

Segment Reporting [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:

	Three Months Ended June 30				Six Months Ended June 30
	2013		2012		2013		2012
	(in millions of dollars)
Unum US
Group Disability
Group Long-term Disability	$	394.8	$	397.8	$	787.5	$	793.3
Group Short-term Disability	129.1		118.2		260.1		235.9
Group Life and Accidental Death & Dismemberment
Group Life	303.6		294.2		605.8		587.8
Accidental Death & Dismemberment	30.2		28.7		61.1		57.0
Supplemental and Voluntary
Individual Disability - Recently Issued	114.3		118.7		234.4		237.1
Voluntary Benefits	159.5		157.4		322.3		315.9
	1,131.5		1,115.0		2,271.2		2,227.0
Unum UK
Group Long-term Disability	96.3		101.7		194.2		203.6
Group Life	26.5		55.5		57.5		108.2
Supplemental and Voluntary	14.8		16.0		29.7		32.1
	137.6		173.2		281.4		343.9
Colonial Life
Accident, Sickness, and Disability	184.7		179.8		369.5		360.0
Life	55.3		52.4		110.1		104.1
Cancer and Critical Illness	67.9		64.7		135.4		129.1
	307.9		296.9		615.0		593.2
Closed Block
Individual Disability	170.6		184.6		352.4		371.8
Long-term Care	157.8		156.9		316.6		312.1
All Other	0.4		1.0		0.1		1.5
	328.8		342.5		669.1		685.4
Total	$	1,905.8	$	1,927.6	$	3,836.7	$	3,849.5

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, 2013
Premium Income	$	1,131.5	$	137.6		$	307.9	$	328.8	$	—		$	1,905.8
Net Investment Income	231.1		45.4			34.3		316.1		(0.8		)	626.1
Other Income	32.1		(0.1		)	0.1		23.8		0.8			56.7
Operating Revenue	$	1,394.7	$	182.9		$	342.3	$	668.7	$	—		$	2,588.6
Operating Income (Loss)	$	214.0	$	33.5		$	71.1	$	29.6	$	(37.1	)	$	311.1
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

	Unum US		Unum UK		Colonial Life		Closed Block		Corporate			Total
	(in millions of dollars)
Six Months Ended June 30, 2013
Premium Income	$	2,271.2	$	281.4	$	615.0	$	669.1	$	—		$	3,836.7
Net Investment Income	466.8		76.2		74.0		629.2		1.0			1,247.2
Other Income	68.8		—		0.1		47.9		2.4			119.2
Operating Revenue	$	2,806.8	$	357.6	$	689.1	$	1,346.2	$	3.4		$	5,203.1
Operating Income (Loss)	$	422.1	$	64.8	$	146.5	$	56.9	$	(70.8	)	$	619.5
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

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 is presented as follows:

	Three Months Ended June 30						Six Months Ended June 30
	2013			2012			2013			2012
	(in millions of dollars)
Operating Revenue by Segment	$	2,588.6		$	2,620.0		$	5,203.1		$	5,218.9
Net Realized Investment Gain (Loss)	13.3			(2.1		)	23.6			10.3
Total Revenue	$	2,601.9		$	2,617.9		$	5,226.7		$	5,229.2
Operating Income by Segment	$	311.1		$	310.1		$	619.5		$	619.3
Net Realized Investment Gain (Loss)	13.3			(2.1		)	23.6			10.3
Non-operating Retirement-related Loss	(12.9		)	(11.6		)	(27.8		)	(23.2		)
Income Tax	(92.9		)	(80.0		)	(184.1		)	(176.1		)
Net Income	$	218.6		$	216.4		$	431.2		$	430.3

Assets by Segment

Assets by segment are as follows:

	June 30		December 31
	2013		2012
	(in millions of dollars)
Unum US	$	18,529.5	$	19,391.2
Unum UK	3,531.1		3,975.8
Colonial Life	3,382.6		3,434.9
Closed Block	31,689.7		33,069.2
Corporate	2,233.3		2,365.0
Total	$	59,366.2	$	62,236.1