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Restructuring Activities Narrative (Details) - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Dec. 31, 2015
Restructuring Cost and Reserve [Line Items]      
Severance Costs $ 3,692 $ 244  
Restructuring and Related Cost, Expected Cost Remaining 2,100    
Restructuring Costs     $ 4,810
Restructuring Reserve 7,347   $ 5,832
Cost of Sales [Member]      
Restructuring Cost and Reserve [Line Items]      
Severance Costs 2,361 0  
Selling, General and Administrative Expenses [Member]      
Restructuring Cost and Reserve [Line Items]      
Severance Costs 1,331 173  
Restructuring Costs   $ 500  
Facility Closing [Member]      
Restructuring Cost and Reserve [Line Items]      
Restructuring Reserve $ 2,910