XML 28 R9.htm IDEA: XBRL DOCUMENT v2.4.1.9
Earnings Per Share
 3 Months Ended
Mar. 31, 2015
Earnings Per Share [Abstract]  
Earnings Per Share
Earnings Per Share

The following table sets forth the computation of basic and diluted income per common share for the periods presented (dollars and shares in millions, except per share data).
 
Three Months Ended
March 31
 
2015
 
2014
Numerator:
 
 
 
Net income
$
90.8

 
$
90.1

Less: distributed and undistributed earnings allocated to participating securities
(1.2
)
 
(1.4
)
Net income attributable to common shareholders
$
89.6

 
$
88.7

Denominator:
 
 
 
Weighted average basic common shares outstanding
97.1

 
96.8

Effect of dilutive securities
0.1

 
—

Diluted common shares outstanding
97.2

 
96.8

Basic income per common share
$
0.92

 
$
0.92

Diluted income per common share
$
0.92

 
$
0.92


During the three months ended March 31, 2014, all outstanding options to purchase shares were included in the computation of diluted common shares outstanding. On June 29, 2014, all remaining options to purchase shares expired and no options are outstanding.