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Earnings (Loss) Per Share
 3 Months Ended
Mar. 31, 2020
Earnings Per Share [Abstract]  
Earnings (Loss) Per Share Earnings (Loss) Per Share
Basic earnings (loss) per share ("EPS") amounts are calculated by dividing net income (loss) allocated to common stockholders by the weighted average number of common shares outstanding during the period. Diluted EPS amounts assume the issuance of common stock for all potentially dilutive securities.
The following table shows the basic and diluted earnings (loss) per share:
 
For the three months ended March 31,
 
2020
 
2019
 
Net Income (Loss)
 
Shares (in millions)
 
Per Share
 
Net Income (Loss)
 
Shares (in millions)
 
Per Share
Net income (loss)
$
(2.7
)
 
 
 
 
 
$
(34.6
)
 
 
 
 
Amount allocated to common stockholders
100.0
%
 
 
 
 
 
100.0
%
 
 
 
 
Basic and diluted EPS(1)
$
(2.7
)
 
89.3

 
$
(0.03
)
 
$
(34.6
)
 
88.1

 
$
(0.39
)


 
Three months ended March 31,
Securities excluded from the calculation of diluted EPS (in millions)(1):
2020
 
2019
Share-based compensation
0.4

 
0.6


(1) In periods when we report a net loss, all share-based compensation awards are excluded from the calculation of diluted weighted average shares outstanding because of their anti-dilutive effect on earnings (loss) per share.