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Guarantees and Indemnifications (Tables)
 6 Months Ended
Jun. 30, 2013
Commitments and Contingencies Disclosure [Abstract]  
Schedule of Product Warranty Liability [Table Text Block]
The activity in warranty reserves for the first six months of 2013 and 2012 are summarized in the following table:
 
Quarter Ended June 30,
 
Six Months Ended June 30,
Dollar amounts in millions
2013
 
2012
 
2013
 
2012
Beginning balance
$
19.4

 
$
27.9

 
$
21.4

 
$
30.3

Accrued to expense
—

 
0.2

 
0.3

 
0.5

Adjusted to other operating credits and charges
4.1

 
—

 
4.1

 
—

Payments made
(2.5
)
 
(1.6
)
 
(4.8
)
 
(4.3
)
Total warranty reserves
21.0

 
26.5

 
21.0

 
26.5

Current portion of warranty reserves
(12.0
)
 
(12.0
)
 
(12.0
)
 
(12.0
)
Long-term portion of warranty reserves
$
9.0

 
$
14.5

 
$
9.0

 
$
14.5