Stockholders' Equity and Earnings Per Common Share Stockholders' Equity and Earnings Per Common Share (Tables)

3 Months Ended

Mar. 31, 2014

Stockholders' Equity Note [Abstract]

Schedule of Earnings Per Share, Basic and Diluted

Net income per common share is determined as follows:

	Three Months Ended March 31
	2014		2013
	(in millions of dollars, except share data)
Numerator
Net Income	$	228.9	$	212.6
Denominator (000s)
Weighted Average Common Shares - Basic	259,408.5		269,361.1
Dilution for Assumed Exercises of Stock Options and Nonvested Stock Awards	1,301.4		993.3
Weighted Average Common Shares - Assuming Dilution	260,709.9		270,354.4
Net Income Per Common Share
Basic	$	0.88	$	0.79
Assuming Dilution	$	0.88	$	0.79

Authorized Common Stock Repurchase Programs

Our board of directors has authorized the repurchase of Unum Group's common stock under the following repurchase programs:

	Share Repurchase Program Authorized During
	December 2013		July 2012
	(in millions of dollars)
Authorized Repurchase Amount	$	750.0	$	750.0
Remaining Repurchase Amount at March 31, 2014	$	629.9	$	—

The December 2013 share repurchase program has an expiration date of June 12, 2015.

Share Repurchase Table

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

	Three Months Ended March 31
	2014		2013
	(in millions)
Shares Repurchased	2.9		3.7
Cost of Shares Repurchased	$	100.1	$	95.1