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Guarantees and Indemnifications (Tables)
 9 Months Ended
Sep. 30, 2012
Commitments and Contingencies Disclosure [Abstract]  
Schedule of Product Warranty Liability [Table Text Block]
The activity in warranty reserves for the first nine months of 2012 and 2011 are summarized in the following table:
 
Quarter Ended September 30,
 
Nine Months Ended September 30,
Dollar amounts in millions
2012
 
2011
 
2012
 
2011
Beginning balance
$
26.5

 
$
30.6

 
$
30.3

 
$
29.5

Accrued to expense
1.4

 
9.8

 
1.9

 
14.7

Payments made
(4.5
)
 
(5.2
)
 
(8.8
)
 
(9.0
)
Total warranty reserves
23.4

 
35.2

 
23.4

 
35.2

Current portion of warranty reserves
(12.0
)
 
(12.0
)
 
(12.0
)
 
(12.0
)
Long-term portion of warranty reserves
$
11.4

 
$
23.2

 
$
11.4

 
$
23.2