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Share-Based Compensation - Schedule of Compensation Cost for Stock Options (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]        
Share-based compensation expense     $ 12,398 $ 11,603
Stock Option        
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]        
Share-based compensation expense $ 1,687 $ 1,654 4,157 4,068
Income tax benefit (547) (526) (1,294) (1,286)
Total expense after income taxes 1,140 1,128 2,863 2,782
Stock Option | Cost of goods sold        
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]        
Share-based compensation expense 88 143 274 262
Stock Option | Selling, general and administrative expenses        
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]        
Share-based compensation expense $ 1,599 $ 1,511 $ 3,883 $ 3,806