Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements (Schedule Of Fair Value Of Assets And Liabilities Measured On Recurring Basis) (Details)

v2.4.0.8
Fair Value Measurements (Schedule Of Fair Value Of Assets And Liabilities Measured On Recurring Basis) (Details) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2014
Dec. 31, 2013
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Available-for-sale Securities $ 18,229 $ 13,233
Fair Value, Measurements, Recurring | Estimate of Fair Value, Fair Value Disclosure
   
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Foreign currency forward exchange contracts 10  
Total Assets 18,229 13,247
Total liabilities 10  
Fair Value, Measurements, Recurring | Quoted Prices In Active Markets (Level 1)
   
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Foreign currency forward exchange contracts 0  
Total Assets 18,229 13,233
Total liabilities 0  
Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2)
   
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Foreign currency forward exchange contracts 10  
Total Assets 0 14
Total liabilities 10  
Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3)
   
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Foreign currency forward exchange contracts 0  
Total Assets 0 0
Total liabilities 0  
Certificates Of Deposit
   
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Available-for-sale Securities 18,229 13,233
Certificates Of Deposit | Fair Value, Measurements, Recurring | Estimate of Fair Value, Fair Value Disclosure
   
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Available-for-sale Securities 18,229 13,233
Certificates Of Deposit | Fair Value, Measurements, Recurring | Quoted Prices In Active Markets (Level 1)
   
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Available-for-sale Securities 18,229 13,233
Certificates Of Deposit | Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2)
   
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Available-for-sale Securities 0 0
Certificates Of Deposit | Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3)
   
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Available-for-sale Securities 0 0
Foreign Exchange Contract | Fair Value, Measurements, Recurring | Estimate of Fair Value, Fair Value Disclosure
   
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Foreign currency forward exchange contracts   14
Foreign Exchange Contract | Fair Value, Measurements, Recurring | Quoted Prices In Active Markets (Level 1)
   
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Foreign currency forward exchange contracts   0
Foreign Exchange Contract | Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2)
   
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Foreign currency forward exchange contracts   14
Foreign Exchange Contract | Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3)
   
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Foreign currency forward exchange contracts   $ 0