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Fair Value Measurement (Tables)
12 Months Ended
Dec. 31, 2012
Fair Value Measurement  
Schedule of financial assets and liabilities measured at fair value on a recurring basis and basis of measurement

 

 

 
  Total Fair Value Measurement at December 31, 2012   Level 1   Level 2   Level 3  

Liabilities:

                         

Interest Rate Swaps

  $ (794 )       (794 )    

Contingent acquisition consideration

  $ (3,324 )           (3,324 )

 

 
  Total Fair Value Measurement at December 31, 2011   Level 1   Level 2   Level 3  

Assets:

                         

Interest Rate Swaps

  $ 8         8      

Liabilities:

                         

Contingent acquisition consideration

  $ (6,498 )           (6,498 )
Schedule of reconciliation of the beginning and ending balances for liabilities measured at fair value using significant unobservable inputs (level 3)

 

 

 
  Due to Seller  

Balance at December 31, 2009

  $ (5,090 )

Increase related to new acquisitions

    (2,400 )

Payment of contingent consideration

    529  

Change in fair value

    154  
       

Balance at December 31, 2010

    (6,807 )

Increase related to new acquisitions

     

Payment of contingent consideration

     

Change in fair value

    309  
       

Balance at December 31, 2011

    (6,498 )

Increase related to new acquisitions

     

Payment of contingent consideration

    2,202  

Change in fair value

    972  
       

Balance at December 31, 2012

  $ (3,324 )
       
Schedule of carrying and estimated fair values of the Company's financial instruments

 

 

 
  2012   2011  
 
  Carrying
Amount
  Fair Value   Carrying
Amount
  Fair Value  
 
  (In thousands)
 

Cash and cash equivalents

  $ 28,450   $ 28,450   $ 13,220   $ 13,220  

Long-term debt—

                         

Senior credit facility

    (290,275 )   (290,275 )   (80,000 )   (80,000 )

Obligations on Seller notes and other

    (1,995 )   (1,995 )   (1,041 )   (1,041 )