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Share-Based Compensation - Schedule of Compensation Cost for Performance Share Units (Details) - Performance Shares Units - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]    
Total expense before income taxes $ 1,606 $ 1,681
Income tax benefit (507) (535)
Total expense after income taxes 1,099 1,146
Cost of goods sold    
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]    
Total expense before income taxes 0 0
Selling, general and administrative expenses    
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]    
Total expense before income taxes $ 1,606 $ 1,681