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Fair Value Measurements (Tables)
3 Months Ended
Mar. 31, 2014
Fair Value Measurements [Abstract]  
Assets (liabilities) measured at fair value on a recurring basis
Assets (liabilities) measured at fair value on a recurring basis are as follows:
 
      
Fair Value Measurement Using
 
   
 
Total
March 31, 2014
  
Quoted Prices in Active Markets for Identical Contracts (Level 1)
  
Significant
Other Observable Inputs
(Level 2)
 
Interest rate swaps
 $452  $  $452 
Commodity contracts
 $(255) $  $(255)
Foreign currency contracts
 $(30) $  $(30)

      
Fair Value Measurement Using
 
   
 
Total
December 31, 2013
  
Quoted Prices in Active Markets for Identical Contracts (Level 1)
  
Significant
Other Observable Inputs
(Level 2)
 
Interest rate swaps
 $1,236  $  $1,236 
Commodity contracts
 $69  $  $69 
Foreign currency contracts
 $56  $  $56