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Earnings Per Share ("EPS")
9 Months Ended
Sep. 30, 2016
Earnings Per Share [Abstract]  
Earnings Per Share (EPS)
Earnings Per Share (“EPS”)
 
 
Three Months Ended
 
Nine Months Ended
 
 
September 30,
 
September 30,
(in millions)
 
2016
 
2015
 
2016
 
2015
Net income
 
$
38.1

 
$
21.2

 
$
64.3

 
$
44.5

 
 
 
 
 
 
 
 
 
Weighted average shares for basic EPS
 
138.0

 
137.5

 
137.9

 
137.3

Dilutive potential shares from grants of RSUs, PRSUs and stock options(a)
 
0.5

 
0.4

 
0.5

 
0.5

Weighted average shares for diluted EPS
 
138.5

 
137.9

 
138.4

 
137.8


(a)
The potential impact of an aggregate 0.2 million granted RSUs, PRSUs and stock options in the three months ended September 30, 2016, 0.6 million granted RSUs, PRSUs and stock options in the three months ended September 30, 2015, 0.5 million granted RSUs, PRSUs and stock options in the nine months ended September 30, 2016, and 0.1 million granted RSUs, PRSUs and stock options in the nine months ended September 30, 2015, were antidilutive.