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Inventories (Tables)
6 Months Ended
Jun. 30, 2012
Inventories [Abstract]  
Schedule of Inventory, Current [Table Text Block]
 
 
June 30, 2012
 
December 31, 2011
 
 
(in millions)
 
 
 
 
 
Raw materials and work-in-progress
 
$
211.8

 
$
177.0

Finished goods
 
20.5

 
26.9

Gross inventories
 
232.3

 
203.9

Inventory valuation reserves
 
(23.8
)
 
(26.7
)
Inventories, net
 
$
208.5

 
$
177.2