Stockholders' Equity and Earnings Per Common Share (Tables)

6 Months Ended

Jun. 30, 2015

Stockholders' Equity and Earnings Per Common Share [Abstract]

Schedule of Basic and Diluted Earnings Per Share

Earnings Per Common Share

Net income per common share is determined as follows:

	Three Months Ended June 30				Six Months Ended June 30
	2015		2014		2015		2014
	(in millions of dollars, except share data)
Numerator
Net Income	$	224.3	$	239.4	$	437.2	$	465.2
Denominator (000s)
Weighted Average Common Shares - Basic	248,318.6		256,790.2		249,885.0		258,092.7
Dilution for Assumed Exercises of Stock Options and Nonvested Stock Awards	873.6		1,119.5		820.5		1,210.4
Weighted Average Common Shares - Assuming Dilution	249,192.2		257,909.7		250,705.5		259,303.1
Net Income Per Common Share
Basic	$	0.90	$	0.93	$	1.75	$	1.80
Assuming Dilution	$	0.90	$	0.93	$	1.74	$	1.79

Treasury Stock Transactions

During the second quarter of 2015, our board of directors authorized the repurchase of up to $750.0 million of Unum Group's outstanding common stock through November 21, 2016. This authorization replaced the previous authorization of $750.0 million that was scheduled to expire on June 12, 2015. The remaining repurchase amount under the new program was $717.7 million at June 30, 2015.

Common stock repurchases, which are classified as treasury stock and accounted for using the cost method, were as follows:

	Three Months Ended June 30				Six Months Ended June 30
	2015		2014		2015		2014
	(in millions)
Shares Repurchased	3.0		2.9		6.2		5.8
Cost of Shares Repurchased (1)	$	103.1	$	100.0	$	211.2	$	200.1

(1) Includes commissions of a de minimis amount and $0.1 million for the three and six month periods ended June 30, 2015, respectively, and $0.1 million for the three and six month periods ended June 30, 2014