Schedule III Supplmentary Insurance Information (Tables)

12 Months Ended

Dec. 31, 2011

Schedule III - Supplementary Insurance Info [Abstract]

Supplementary Information for Insurance Companies

Segment	Deferred Acquisition Costs		Reserves for Future Policy Contract Benefits		Unearned Premiums		Policy and Contract Benefits
	(in millions of dollars)
December 31, 2011
Unum US	$	1,392.3	$	12,280.2	$	43.4	$	889.2
Unum UK	59.4		2,172.5		143.2		135.6
Colonial Life	849.2		1,598.1		28.5		134.7
Closed Block	—		27,001.1		218.1		334.5
Total	$	2,300.9	$	43,051.9	$	433.2	$	1,494.0
December 31, 2010
Unum US	$	1,362.2	$	11,799.2	$	39.6	$	910.8
Unum UK	58.2		2,053.9		141.2		141.6
Colonial Life	805.0		1,507.2		26.8		118.4
Closed Block	295.7		24,354.7		229.1		394.2
Total	$	2,521.1	$	39,715.0	$	436.7	$	1,565.0

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, 2011
Unum US	$	4,296.0	$	951.4	$	3,113.5	$	298.7	$	1,137.0	$	2,965.8
Unum UK	687.6		189.9		493.8		29.2		162.8		480.0
Colonial Life	1,135.3		132.4		589.4		189.0		207.7		944.9
Closed Block	1,395.3		1,189.7		3,012.8		16.9		582.9		1,385.1
Corporate	—		56.2		—		—		187.1		—
Total	$	7,514.2	$	2,519.6	$	7,209.5	$	533.8	$	2,277.5
December 31, 2010
Unum US	$	4,255.4	$	941.5	$	3,124.4	$	307.9	$	1,118.3	$	2,938.9
Unum UK	650.6		170.5		435.8		27.0		150.7		469.4
Colonial Life	1,075.7		122.5		534.7		187.2		194.8		901.9
Closed Block	1,449.7		1,166.4		2,259.2		25.0		327.9		1,430.4
Corporate	—		94.6		—		—		169.0		—
Total	$	7,431.4	$	2,495.5	$	6,354.1	$	547.1	$	1,960.7
December 31, 2009
Unum US	$	4,278.4	$	934.3	$	3,192.1	$	293.8	$	1,128.0	$	2,997.0
Unum UK	686.1		124.5		373.6		30.5		159.3		508.6
Colonial Life	1,015.1		114.3		480.6		178.5		189.9		851.5
Closed Block	1,495.9		1,106.8		2,245.3		23.4		340.7		1,484.0
Corporate	—		66.7		—		—		163.0		—
Total	$	7,475.5	$	2,346.6	$	6,291.6	$	526.2	$	1,980.9