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Business Realignment (Schedule of Business Realignment Charges Classified by Statement of Operations) (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Jun. 30, 2016
Jun. 30, 2015
Restructuring Cost and Reserve [Line Items]        
Total business realignment charges $ 309 $ 0 $ 2,211 $ 0
Cost of Goods Sold [Member]        
Restructuring Cost and Reserve [Line Items]        
Total business realignment charges 108   287  
Selling, General and Administrative [Member]        
Restructuring Cost and Reserve [Line Items]        
Total business realignment charges 160   824  
Design and Development Expense [Member]        
Restructuring Cost and Reserve [Line Items]        
Total business realignment charges $ 41   $ 1,100