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Share-Based Employee Compensation (Tables)
3 Months Ended
Mar. 31, 2020
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs
The table below summarizes the amounts recognized in the financial statements for the three months ended March 31, 2020 and 2019 for share-based compensation, including expense for restricted stock units and performance share units (in thousands).
 
Three Months Ended
March 31,
 
2020
 
2019
 
 
Cost of sales
$
156

 
$
249

Operating expenses
1,705

 
3,186

Total cost of share-based compensation included in income, before income tax
$
1,861

 
$
3,435