XML 51 R44.htm IDEA: XBRL DOCUMENT v2.4.0.6
Quarterly Financial Information (Unaudited) (Tables)
 12 Months Ended
Dec. 31, 2011
Selected Quarterly Financial Information [Abstract]  
Schedule of Quarterly Financial Information [Table Text Block]
 
2011
 
First
 
Second
 
Third
 
Fourth
 
 
(dollars in millions, except per common share amounts)
Quarter
 
Quarter
 
Quarter
 
Quarter
 
Total
Revenue
$
360.8

 
$
367.5

 
$
368.8

 
$
365.3

 
$
1,462.4

Operating income
86.4

 
77.6

 
86.3

 
9.2

 
259.5

Net income (loss)
17.9

 
13.5

 
17.6

 
(30.4
)
 
18.6

Basic earnings (loss) per common share
$
0.08

 
$
0.06

 
$
0.08

 
$
(0.17
)
 
$
0.04

Diluted earnings (loss) per common share
$
0.08

 
$
0.05

 
$
0.07

 
$
(0.17
)
 
$
0.04

 
 
 
 
 
 
 
 
 
 
 
2010
 
First
 
Second
 
Third
 
Fourth
 
 
(dollars in millions, except per common share amounts)
Quarter
 
Quarter
 
Quarter
 
Quarter
 
Total
Revenue
$
323.7

 
$
338.6

 
$
351.9

 
$
362.8

 
$
1,377.0

Operating income
82.4

 
69.8

 
82.6

 
64.5

 
299.3

Net income (loss)
22.8

 
9.6

 
14.5

 
(18.6
)
 
28.3

Basic earnings (loss) per common share
$
0.10

 
$
0.03

 
$
0.06

 
$
(0.11
)
 
$
0.09

Diluted earnings (loss) per common share
$
0.10

 
$
0.03

 
$
0.06

 
$
(0.11
)
 
$
0.09