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Other Income (Expense), Net
 12 Months Ended
Dec. 31, 2012
Other Income (Expense), Net [Abstract]  
Other Income (Expense), Net

23.  Other Income (Expense), Net

 

Other income (expense), net is summarized as follows:

           
  For the Twelve Months Ended 
           
  December 31, December 31, December 31, 
  2012 2011 2010 
KDFA bond $ 4.5 $ 4.3 $ 4.0 
Rental and miscellaneous (expense)   (8.4)   (0.7)   0.6 
Foreign currency gains (loss)  5.7  (2.2)  (5.0) 
Total $ 1.8 $ 1.4 $ (0.4) 

Foreign currency gains (loss) are due to the impact of movement in foreign currency exchange rates on trade and intercompany receivables/payables and other long-term contractual rights/obligations denominated in a currency other than the entity's functional currency.