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Earnings Per Share Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share (Tables)
3 Months Ended
Mar. 31, 2019
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]  
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]
The following table sets forth the number of employee stock-based compensation awards outstanding but not included in the computation of diluted earnings per share because their effect would have been antidilutive for the three months ended March 31, 2019 and 2018 (in thousands):
 
Three Months Ended
 
March 31,
 
2019
 
2018
Antidilutive securities:
 
 
 
RSUs
599

 

Stock options
32