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Fair Value Measurements
9 Months Ended
Sep. 30, 2011
Fair Value Measurements 
Fair Value Measurements

9. Fair Value Measurements

GAAP defines three levels of inputs that may be used to measure fair value and requires that the assets or liabilities carried at fair value be disclosed by the input level under which they were valued. The input levels are defined as follows:

 

  Level 1: Quoted market prices in active markets for identical assets and liabilities.

 

  Level 2: Observable inputs other than defined in Level 1, such as quoted prices for similar assets or liabilities; quoted prices in markets that are not active; or other inputs that are observable or can be corroborated by observable market data for substantially the full term of the assets or liabilities.

 

  Level  3: Unobservable inputs that are not corroborated by observable market data.

The following table summarizes assets and liabilities that are measured at fair value on a recurring basis as of September 30, 2011 and December 31, 2010:

 

                                                 
     September 30, 2011     December 31, 2010  
     Fair Value Asset (Liability)     Fair Value Asset (Liability)  

(in millions)

   Level 1      Level 2     Total     Level 1      Level 2     Total  

Derivatives:

                                                  

Assets

   $ —         $ 3.4      $ 3.4      $ —         $ 0.1      $ 0.1   

Liabilities

     —           (16.7     (16.7     —           (34.5     (34.5

Available for sale securities

     18.7         —          18.7        19.1         —          19.1   

Derivative assets and liabilities relate to interest rate swaps, foreign currency contracts and commodity contracts (see Note 8). Fair values are determined by the Company using market prices obtained from independent brokers or determined using valuation models that use as their basis readily observable market data that is actively quoted and can be validated through external sources, including independent pricing services, brokers and market transactions. Available-for-sale securities are valued based on quoted market prices in actively traded markets.