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Segments and Major Customers (Details 2) - Customer Concentration Risk - Sales, net
3 Months Ended 9 Months Ended
Sep. 30, 2015
Sep. 30, 2014
Sep. 30, 2015
Sep. 30, 2014
Customer A        
Concentration Risk [Line Items]        
Revenue from major customer as a percentage of total revenue 20.00% 22.00% 21.00% 20.00%
Customer B        
Concentration Risk [Line Items]        
Revenue from major customer as a percentage of total revenue 21.00% 17.00% 18.00% 16.00%
Customer C        
Concentration Risk [Line Items]        
Revenue from major customer as a percentage of total revenue 13.00% 14.00% 13.00% 13.00%