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Inventories
6 Months Ended
Jun. 30, 2011
Inventory Disclosure [Abstract]  
Inventories
Note 6:  Inventories

Inventories are valued at the lower of standard cost (which approximates actual cost on a first-in-first-out basis) or market. Inventory balances were as follows:

   
June 30,
  
December 31,
 
($ in millions)
 
2011
  
2010
 
Finished goods
 $71.9  $65.1 
Work in process
  23.6   21.4 
Raw materials
  65.7   60.5 
   $161.2  $147.0