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Fair Value Measurements (Tables)
9 Months Ended
Sep. 30, 2013
Fair Value Measurements [Abstract]  
Fair Value of Assets and Liabilities
The following table summarizes the financial assets and liabilities measured at fair value on a recurring basis as of September 30, 2013 and December 31, 2012 and the level they fall within the fair value hierarchy (in thousands):

Amounts Recorded at Fair Value
Financial Statement Classification
Fair Value Hierarchy
 
Fair Value September 30, 2013
  
Fair Value December 31, 2012
 
Non-COLI assets held in DSC Plan
Other assets
Level 1
 
$
176
  
$
120
 
Interest rate swaps
Accrued expenses
Level 2
 
$
514
  
$
1,194
 
Earn-out obligation - long-term
Earn-out obligations
Level 3
 
$
8,987
  
$
9,098
 
Fair Value Reconciliation, Unobservable Inputs
The following table provides a reconciliation of the beginning and ending balance of the earn-out obligations measured at fair value on a recurring basis that used significant unobservable inputs (Level 3).

 
 
Long-term portion
  
Total
 
Balance as of December 31, 2012
 
$
9,098
  
$
9,098
 
Earn-out payments
  
(219
)
  
(219
)
Fair value adjustment included in earnings
  
108
   
108
 
Balance as of September 30, 2013
 
$
8,987
  
$
8,987