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Commitments and Contingencies (Tables)
12 Months Ended
Dec. 31, 2011
Commitments and Contingencies [Abstract]  
Future Minimum Rental Commitments [Text Block]

($ in millions)

 

 

2012

$

9.0

2013

 

6.0

2014

 

4.0

2015

 

2.6

2016

 

2.0

After 2016

 

1.8

Total minimum payment required

$

25.4