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Fair Value Measurements (Tables)
9 Months Ended
Sep. 30, 2013
Assets and Liabilities Measured at Fair Value on Recurring Basis

Assets and liabilities measured at fair value on a recurring basis as of September 30, 2013 and December 31, 2012 are as follows (in millions):

 

 

     Fair Value  
     September 30,
2013
     December 31,
2012
 

Assets

     

Derivative financial instruments (Level 2)

   $ 7.4       $ 6.0   

Liabilities

     

Derivative financial instruments (Level 2)

   $ 4.6       $ 3.0   

Acquisition-related contingent consideration (Level 3)

     5.6         17.8