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Fair Value Measurements (Tables)
6 Months Ended
Jun. 30, 2016
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 June 30, 2016 and December 31, 2015 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 June 30, 2016
  
Fair Value December 31, 2015
 
Non-COLI assets held in Deferred Supplemental Compensation Plan
  
Other assets
  
Level 1
 
$
281
  
$
264
 
Interest rate swaps
  
Accrued expenses
  
Level 2
 
$
1,053
  
$
123
 
Earn-out obligation-current
  
Current portion of earn-out obligation
  
Level 3
 
$
10,500
  
$
9,678
 
Earn-out obligation-long-term
  
Earn-out obligation
  
Level 3
  
-
  
$
10,166
 
Fair Value Reconciliation, Unobservable Inputs
The following table provides a reconciliation of the beginning and ending balance of the earn-out obligation measured at fair value on a recurring basis that used significant unobservable inputs (Level 3).

  
Current portion
  
Long-term portion
  
Total
 
Balance as of December 31, 2015
 
$
9,678
  
$
10,166
  
$
19,844
 
Earn-out payments
  
(8,015
)
  
-
   
(8,015
)
Fair value adjustment included in net income
  
(1,608
)
  
279
   
(1,329
)
Reclassification from long-term to current
  
10,445
   
(10,445
)
  
-
 
Balance as of June 30, 2016
 
$
10,500
  
$
-
  
$
10,500