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Guarantees and Indemnifications (Tables)
 6 Months Ended
Jun. 30, 2012
Commitments and Contingencies Disclosure [Abstract]  
Schedule of Product Warranty Liability [Table Text Block]
The activity in warranty reserves for the first six months of 2012 and 2011 are summarized in the following table:
 
Quarter Ended June 30,
 
Six Months Ended June 30,
Dollar amounts in millions
2012
 
2011
 
2012
 
2011
Beginning balance
$
27.9

 
$
28.3

 
$
30.3

 
$
29.5

Accrued to expense
0.2

 
3.8

 
0.5

 
4.9

Payments made
(1.6
)
 
(1.5
)
 
(4.3
)
 
(3.8
)
Total warranty reserves
26.5

 
30.6

 
26.5

 
30.6

Current portion of warranty reserves
(12.0
)
 
(10.0
)
 
(12.0
)
 
(10.0
)
Long-term portion of warranty reserves
$
14.5

 
$
20.6

 
$
14.5

 
$
20.6