v2.4.0.6
FAIR VALUE OF FINANCIAL INSTRUMENTS - Recurring basis (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2012
Dec. 31, 2011
Assets    
Cash equivalents $ 6,695 $ 3,625
Current Liabilities [Member]
   
Liabilities    
Cash flow hedges designated as qualifying instruments   1,346
Lease abandonment liability 72 54
Other Long Term Liabilities [Member]
   
Liabilities    
Deferred Compensation 8,377 6,824
Cash flow hedges designated as qualifying instruments   0
Lease abandonment liability 609 681
Fair Value, Inputs, Level 1 [Member]
   
Assets    
Cash equivalents 6,695 3,625
Fair Value, Inputs, Level 1 [Member] | Current Liabilities [Member]
   
Liabilities    
Cash flow hedges designated as qualifying instruments   0
Lease abandonment liability 0 0
Fair Value, Inputs, Level 1 [Member] | Other Long Term Liabilities [Member]
   
Liabilities    
Deferred Compensation 8,377 6,824
Cash flow hedges designated as qualifying instruments   0
Lease abandonment liability 0 0
Fair Value, Inputs, Level 2 [Member]
   
Assets    
Cash equivalents 0 0
Fair Value, Inputs, Level 2 [Member] | Current Liabilities [Member]
   
Liabilities    
Cash flow hedges designated as qualifying instruments   1,346
Lease abandonment liability 72 54
Fair Value, Inputs, Level 2 [Member] | Other Long Term Liabilities [Member]
   
Liabilities    
Deferred Compensation 0 0
Cash flow hedges designated as qualifying instruments   0
Lease abandonment liability 609 681
Fair Value, Inputs, Level 3 [Member]
   
Assets    
Cash equivalents 0 0
Fair Value, Inputs, Level 3 [Member] | Current Liabilities [Member]
   
Liabilities    
Cash flow hedges designated as qualifying instruments   0
Lease abandonment liability 0 0
Fair Value, Inputs, Level 3 [Member] | Other Long Term Liabilities [Member]
   
Liabilities    
Deferred Compensation 0 0
Cash flow hedges designated as qualifying instruments   0
Lease abandonment liability $ 0 $ 0