XML 39 R28.htm IDEA: XBRL DOCUMENT v3.4.0.3
Earnings Per Share Computations (Tables)
 3 Months Ended
Mar. 31, 2016
Earnings Per Share [Abstract]  
Calculation of earnings per share
A reconciliation of basic and diluted earnings per share is below: 
 
 
Three Months Ended March 31,
(in millions, except per share amounts)
 
2016
 
2015
Numerator
 
 

 
 

Net income
 
$
56.2

 
$
54.4

 
 
 
 
 
Denominator
 
 

 
 

Weighted average common shares outstanding — basic
 
94.9

 
97.7

Dilutive shares
 
1.0

 
1.1

Weighted average common and common equivalent shares outstanding — diluted
 
95.9

 
98.8

 
 
 
 
 
Per common share income
 
 

 
 

Basic
 
$
0.59

 
$
0.55

Diluted
 
$
0.59

 
$
0.55