Stockholders' Equity and Earnings Per Common Share (Tables)

6 Months Ended

Jun. 30, 2019

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
	2019		2018		2019		2018
	(in millions of dollars, except share data)
Numerator
Net Income	$	281.2	$	285.5	$	562.1	$	559.0

Denominator (000s)
Weighted Average Common Shares - Basic	211,068.7		220,776.7		212,672.8		221,335.7
Dilution for Assumed Exercises of Stock Options and Nonvested Stock Awards	43.9		286.0		88.3		484.5
Weighted Average Common Shares - Assuming Dilution	211,112.6		221,062.7		212,761.1		221,820.2

Net Income Per Common Share
Basic	$	1.33	$	1.29	$	2.64	$	2.53
Assuming Dilution	$	1.33	$	1.29	$	2.64	$	2.52

Treasury Stock Transactions

Common Stock

During the second quarter of 2019, our board of directors authorized the repurchase of up to $750.0 million of Unum Group's outstanding common stock through November 23, 2020. This authorization replaced the previous authorization of $750.0 million that was scheduled to expire on November 24, 2019. The remaining repurchase amount under the new program was $716.2 million at June 30, 2019.

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



	Three Months Ended June 30				Six Months Ended June 30
	2019		2018		2019		2018
	(in millions)
Shares Repurchased	2.9		2.5		5.6		4.4
Cost of Shares Repurchased¹	$	100.2	$	100.1	$	200.2	$	200.3

¹ Includes commissions of $0.2 million for the three months ended June 30, 2019 and a de minimis amount of commissions for the three months ended June 30, 2018. For the six months ended June 30, 2019 and 2018, these amounts included commissions of $0.2 million, respectively.