XML 20 R27.htm IDEA: XBRL DOCUMENT v2.4.0.8
Earnings Per Share (Tables)
 9 Months Ended
Sep. 30, 2013
Earnings (Loss) per Share (EPS) [Abstract]  
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
The following table sets forth the computation of our basic and diluted EPS:
 
 
 
Three Months Ended
 
Nine Months Ended
 
 
September 30,
 
September 30,
 
 
2013
 
2012
 
2013
 
2012
 
 
(in millions, except per share data)
Numerator
 
 
 
 
 
 
 
 
Net income (loss) attributable to AAM
 
$
31.6

 
$
(8.1
)
 
$
64.7

 
$
47.8

 
 
 

 
 

 
 

 
 

Denominator
 
 

 
 

 
 

 
 

Basic shares outstanding -
 
 

 
 

 
 

 
 

   Weighted-average shares outstanding
 
76.9

 
74.9

 
76.6

 
75.2

 
 
 

 
 

 
 

 
 

Effect of dilutive securities
 
 

 
 

 
 

 
 

   Dilutive stock-based compensation
 
0.1

 
—

 
0.1

 
—

 
 
 

 
 

 
 

 
 

Diluted shares outstanding -
 
 

 
 

 
 

 
 

   Adjusted weighted-average shares after assumed conversions
 
77.0

 
74.9

 
76.7

 
75.2

 
 
 

 
 

 
 

 
 

Basic EPS
 
$
0.41

 
$
(0.11
)
 
$
0.84

 
$
0.64

 
 
 

 
 

 
 

 
 

Diluted EPS
 
$
0.41

 
$
(0.11
)
 
$
0.84

 
$
0.63