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Derivative Financial Instruments (Tables)
3 Months Ended
Mar. 31, 2012
Derivative Financial Instruments  
Schedule of interest rate swap agreements

 

 

 
  Notional
Amount
  Paying   Receiving   Start Date   Expiration Date

Counterparty A

  $ 25.0     1.67 % 3-Month LIBOR   October 2010   October 2015

Counterparty A

  $ 25.0     1.65 % 3-Month LIBOR   October 2010   October 2015

Counterparty B

  $ 25.0     1.59 % 3-Month LIBOR   October 2010   October 2015

Counterparty B

  $ 25.0     2.14 % 3-Month LIBOR   October 2010   October 2017
Schedule of location and amount of derivative instrument gains and (losses) before taxes

 

 

 
  For the Three Months
Ended March 31,
 
 
  2011   2012  

Cash Flow Hedges

             

Interest rate swaps

  $ 0.6   $ (0.1 )

Treasury rate locks

    0.5      
           

Total

  $ 1.1   $ (0.1 )
           
Schedule of location and fair values of derivative instruments on the Consolidated Balance Sheet

 

 

 
  December 31,
2011
  March 31,
2012
 

Cash Flow Hedges

             

Interest rate swaps(1)

  $ (2.9 ) $ (3.0 )
           

(1)
Presented within Other long-term liabilities.