Segment Information (Tables)

3 Months Ended

Mar. 31, 2014

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 March 31
	2014		2013
	(in millions of dollars)
Unum US
Group Disability
Group Long-term Disability	$	383.5	$	392.7
Group Short-term Disability	137.3		131.0
Group Life and Accidental Death & Dismemberment
Group Life	309.9		302.2
Accidental Death & Dismemberment	30.6		30.9
Supplemental and Voluntary
Individual Disability - Recently Issued	115.9		120.1
Voluntary Benefits	175.3		162.8
	1,152.5		1,139.7
Unum UK
Group Long-term Disability	103.0		97.9
Group Life	34.8		31.0
Supplemental	13.9		14.9
	151.7		143.8
Colonial Life
Accident, Sickness, and Disability	189.1		184.8
Life	57.4		54.8
Cancer and Critical Illness	69.9		67.5
	316.4		307.1
Closed Block
Individual Disability	161.1		181.8
Long-term Care	156.5		158.8
All Other	0.3		(0.3		)
	317.9		340.3
Total	$	1,938.5	$	1,930.9

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 March 31, 2014
Premium Income	$	1,152.5	$	151.7		$	316.4		$	317.9	$	—		$	1,938.5
Net Investment Income	226.4		33.6			36.9			316.3		(0.7		)	612.5
Other Income	30.9		(0.1		)	(0.1		)	21.6		1.5			53.8
Operating Revenue	$	1,409.8	$	185.2		$	353.2		$	655.8	$	0.8		$	2,604.8
Operating Income (Loss)	$	210.8	$	36.5		$	79.4		$	29.1	$	(34.2	)	$	321.6
Three Months Ended March 31, 2013
Premium Income	$	1,139.7	$	143.8		$	307.1		$	340.3	$	—		$	1,930.9
Net Investment Income	235.7		30.8			39.7			313.1		1.8			621.1
Other Income	36.7		0.1			—			24.1		1.6			62.5
Operating Revenue	$	1,412.1	$	174.7		$	346.8		$	677.5	$	3.4		$	2,614.5
Operating Income (Loss)	$	208.1	$	31.3		$	75.4		$	27.3	$	(33.7	)	$	308.4

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

A reconciliation of "operating revenue" to total revenue and "operating income" to income before income tax is as follows:

	Three Months Ended March 31
	2014			2013
	(in millions of dollars)
Operating Revenue	$	2,604.8		$	2,614.5
Net Realized Investment Gain	6.3			10.3
Total Revenue	$	2,611.1		$	2,624.8
Operating Income	$	321.6		$	308.4
Net Realized Investment Gain	6.3			10.3
Non-operating Retirement-related Loss	(1.4		)	(14.9		)
Income Before Income Tax	$	326.5		$	303.8

Assets by Segment

Assets by segment are as follows:

	March 31		December 31
	2014		2013
	(in millions of dollars)
Unum US	$	18,517.9	$	18,384.3
Unum UK	3,793.4		3,654.1
Colonial Life	3,542.5		3,482.9
Closed Block	32,397.3		31,564.2
Corporate	2,827.5		2,318.1
Total	$	61,078.6	$	59,403.6