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Fair Value of Financial Instruments (Tables)
6 Months Ended 12 Months Ended
Jun. 30, 2013
Dec. 31, 2012
Fair Value Disclosures [Abstract]    
Fair Value Measurements, Recurring and Nonrecurring [Table Text Block]
The following table summarizes the fair value measurements for the Company's financial instruments (in thousands):
 
Fair Value Measurements as of June 30, 2013
 
Total
  
Level 1
  
Level 2
  
Level 3
Cash surrender value of life insurance contracts (A)
$
2,338

 
$

 
$
2,338

 
$

Deferred compensation liability
(1,158
)
 

 
(1,158
)
 

Foreign currency forward contracts
(819
)
  

  
(819
)
  

Contingent consideration liability
(818
)
 

 

 
(818
)
Total
$
(457
)
 
$

 
$
361

 
$
(818
)

(A)
Net of $1.1 million loan against the cash-surrender value of certain life insurance contracts which afford the Company the right of offset.
 
Fair Value Measurements as of December 31, 2012
 
Total
  
Level 1
  
Level 2
  
Level 3
Cash surrender value of life insurance contracts
$
3,398

 
$

 
$
3,398

 
$

Deferred compensation liability
(1,395
)
 

 
(1,395
)
 

Foreign currency forward contracts
(297
)
  

  
(297
)
  

Contingent consideration liability
(2,541
)
 

 

 
(2,541
)
     Total
$
(835
)
  
$

  
$
1,706

 
$
(2,541
)
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]
The following table summarizes our Level 3 activity for the Company's contingent consideration liability (in thousands):
 
Level 3
Balance at December 31, 2012
$
2,541

Change in estimate
(1,465
)
Payments
(378
)
Accretion
120

Balance at June 30, 2013
$
818