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Fair Value (Tables)
6 Months Ended
Jun. 30, 2012
Fair Value [Abstract]  
Financial assets and liabilities carried at fair value measured on a recurring basis
                                     
(In thousands)   Classification   Total     Level 1     Level 2     Level 3  
           

Interest rate swaps

  Other Liabilities                                

June 30, 2012

      $ (316   $ —       $ (316   $ —    

December 31, 2011

        (393     —         (393     —    

Acquisition contingent consideration

  Other Liabilities                                

June 30, 2012

      $ (741   $ —       $ —       $ (741

December 31, 2011

        (720     —         —         (720