XML 31 R20.htm IDEA: XBRL DOCUMENT v3.8.0.1
Earnings (Loss) Per Share (Tables)
 9 Months Ended
Sep. 30, 2017
Earnings Per Share [Abstract]  
Schedule of Earnings Per Share, Basic and Diluted
Our calculations for basic and dilutive earnings (loss) per share for the three and nine months ended September 30, 2017 and 2016 are as follows:

 
Three Months
 
Nine Months
(dollars in millions, except per share data, shares and stock units in thousands)
2017
 
2016
 
2017
 
2016
Basic and dilutive net income (loss) available to common shareholders
$
3.0

 
$
13.9

 
$
(3.3
)
 
$
29.0

 
 
 
 
 
 
 
 
Basic weighted average shares outstanding
32,723

 
32,466

 
32,550

 
32,398

Effect of dilutive securities:
 
 
 
 
 
 
 
Unvested shares and stock units
869

 
728

 
—

 
517

Dilutive weighted average shares outstanding
33,592

 
33,194

 
32,550

 
32,915

 
 
 
 
 
 
 
 
Basic earnings (loss) per share(a)
$
0.09

 
$
0.43

 
$
(0.10
)
 
$
0.89

Diluted earnings (loss) per share(a)
$
0.09

 
$
0.42

 
$
(0.10
)
 
$
0.88

(a)
Earnings (loss) per share is based on unrounded figures and not the rounded figures presented.