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Stock-Based Compensation (Details) - USD ($)
3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Total stock-based compensation expense (costs of sales and general and administrative) $ 4,100,000 $ 3,000,000
Income tax benefit related to stock-based compensation 0 (1,900,000)
Impact on cash flow due to taxes paid related to net share settlement of equity awards $ 4,700,000 $ 900,000