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Earnings (Loss) Per Share (Tables)
9 Months Ended
Sep. 30, 2019
Earnings Per Share [Abstract]  
Schedule of Earnings Per Share, Basic and Diluted
The following table sets forth the computation of basic and diluted earnings per share (in millions, except per share data).
 
Three Months Ended September 30,
 
Nine Months Ended September 30,
 
2019
 
2018
 
2019
 
2018
Basic and diluted earnings per share:
 
 
 
 
 
 
 
Numerator:
 
 
 
 
 
 
 
Net income, basic and diluted
$
9.4

 
$
46.2

 
$
12.4

 
$
35.8

Denominator:
 
 
 
 
 
 
 
Basic weighted average common shares
28.7

 
28.5

 
28.7

 
28.4

Stock options, RSUs and PSUs
0.4

 
0.4

 
0.4

 
0.5

Weighted average shares used to calculate diluted earnings (loss) per share
29.1

 
28.9

 
29.1

 
28.9

Earnings per share:
 
 
 
 
 
 
 
Basic
$
0.33

 
$
1.62

 
$
0.43

 
$
1.26

Diluted
$
0.32

 
$
1.60

 
$
0.43

 
$
1.24

Antidilutive stock options, RSUs and PSUs
0.2

 
0.2

 
0.3

 
0.2