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Schedule III Supplementary Insurance Information
 12 Months Ended
Dec. 31, 2017
Supplementary Insurance Information [Abstract]  
Supplementary Insurance Information, for Insurance Companies Disclosure
SCHEDULE III--SUPPLEMENTARY INSURANCE INFORMATION

Unum Group and Subsidiaries

Segment
 
Deferred Acquisition Costs
 
Reserves for Future Policy Contract Benefits
 
Unearned Premiums
 
Policy and Contract Benefits
 
 
(in millions of dollars)
December 31, 2017
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Unum US
 
$
1,205.4

 
$
11,382.1

 
$
49.0

 
$
1,059.8

Unum UK
 
21.3

 
2,361.6

 
125.7

 
108.5

Colonial Life
 
957.9

 
2,224.2

 
34.7

 
212.1

Closed Block
 
—

 
29,633.7

 
163.7

 
224.8

   Total
 
$
2,184.6

 
$
45,601.6

 
$
373.1

 
$
1,605.2

 
 
 
 
 
 
 
 
 
December 31, 2016
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Unum US
 
$
1,176.5

 
$
11,312.6

 
$
46.9

 
$
977.2

Unum UK
 
21.4

 
2,127.9

 
110.3

 
102.4

Colonial Life
 
896.3

 
2,103.5

 
33.5

 
195.8

Closed Block
 
—

 
28,701.9

 
173.0

 
232.5

   Total
 
$
2,094.2

 
$
44,245.9

 
$
363.7

 
$
1,507.9

SCHEDULE III--SUPPLEMENTARY INSURANCE INFORMATION

Unum Group and Subsidiaries

(continued from preceding page)

Segment
 
Premium Income
 
Net Investment Income (1)
 
Benefits and Change in Reserves for Future Benefits (2)
 
Amortization of Deferred Acquisition Costs
 
All Other Expenses (3)
 
Premiums Written (4)
 
 
(in millions of dollars)
December 31, 2017
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Unum US
 
$
5,443.5

 
$
811.2

 
$
3,693.4

 
$
293.6

 
$
1,398.0

 
$
3,701.3

Unum UK
 
513.0

 
120.2

 
381.9

 
9.1

 
131.2

 
404.2

Colonial Life
 
1,511.4

 
144.9

 
788.6

 
224.4

 
331.8

 
1,210.6

Closed Block
 
1,129.2

 
1,354.0

 
2,191.8

 
—

 
247.3

 
1,109.8

Corporate
 
—

 
21.4

 
—

 
—

 
191.7

 
—

   Total
 
$
8,597.1

 
$
2,451.7

 
$
7,055.7

 
$
527.1

 
$
2,300.0

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
December 31, 2016
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Unum US
 
$
5,240.9

 
$
828.7

 
$
3,624.3

 
$
275.2

 
$
1,369.2

 
$
3,564.4

Unum UK
 
529.3

 
118.1

 
367.4

 
9.7

 
141.9

 
435.4

Colonial Life
 
1,417.1

 
141.5

 
726.4

 
208.1

 
311.1

 
1,145.0

Closed Block
 
1,170.4

 
1,352.2

 
2,223.7

 
—

 
255.4

 
1,161.8

Corporate
 
—

 
18.5

 
—

 
—

 
186.4

 
—

   Total
 
$
8,357.7

 
$
2,459.0

 
$
6,941.8

 
$
493.0

 
$
2,264.0

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
December 31, 2015
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Unum US
 
$
4,960.0

 
$
865.3

 
$
3,476.7

 
$
272.3

 
$
1,345.5

 
$
3,353.8

Unum UK
 
576.2

 
124.9

 
394.8

 
11.3

 
154.4

 
453.0

Colonial Life
 
1,338.6

 
145.4

 
683.0

 
198.7

 
293.3

 
1,088.3

Closed Block
 
1,207.6

 
1,320.0

 
2,228.3

 
—

 
269.5

 
1,198.5

Corporate
 
—

 
25.6

 
—

 
—

 
165.2

 
—

   Total
 
$
8,082.4

 
$
2,481.2

 
$
6,782.8

 
$
482.3

 
$
2,227.9

 
 


(1)
Net investment income is allocated based upon segmentation. Each segment has its own specifically identified assets and receives the investment income generated by those assets.

(2)
Included in 2017 are unclaimed death benefits reserve increases of $26.6 million in Unum US and $12.4 million in Colonial Life.

(3)
Includes commissions; interest and debt expense; deferral of acquisition costs; compensation expense; and other expenses. Where not directly attributable to a segment, expenses are generally allocated based on activity levels, time information, and usage statistics. Included in 2017 is a loss contingency accrual for a guaranty fund assessment of $20.6 million in Corporate.

(4)
Excludes life insurance.