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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 reconciliation of the numerator and the denominator of basic and diluted earnings (loss) per share for the three and nine months ended September 30, 2019 and 2018:
 
Three Months Ended September 30,
 
Nine Months Ended September 30,
 
2019

2018
 
2019
 
2018
Numerator:
 
 
 
 
 
 
 
Net income (loss)

($4.6
)
 

$1.4

 

($4.8
)
 

$7.9

 
 
 
 
 
 
 
 
Denominator:
 
 
 
 
 
 
 
Weighted average shares outstanding, basic
44.8

 
44.6

 
44.8

 
44.5

Dilutive effect of stock-based awards

 
0.6

 

 
0.7

Weighted average shares outstanding, diluted
44.8

 
45.2

 
44.8

 
45.2

 
 
 
 
 
 
 
 
Basic earnings (loss) per share

($0.10
)
 

$0.03

 

($0.11
)
 

$0.18

Diluted earnings (loss) per share

($0.10
)
 

$0.03

 

($0.11
)
 

$0.17