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Earnings Per Share (Tables)
3 Months Ended
Mar. 31, 2019
Earnings Per Share [Abstract]  
Schedule of Weighted Average Number of Shares
Our weighted-average shares outstanding for the three months ended March 31, 2019 and 2018 was as follows:
 
Three Months Ended March 31,
(in millions)
2019
 
2018
Weighted-average number of shares of common stock outstanding - basic
102.3

 
106.8

Stock options

 
1.2

Restricted stock units

 
2.0

Weighted-average shares and assumed conversions - diluted(1)
102.3

 
110.0



(1)
Due to the net loss during the three months ended March 31, 2019, the denominator in the diluted earnings per share calculation does not include the effects of the stock awards for which the average market price for the period exceeds the exercise price, as it would result in a less dilutive computation. As a result, reported diluted earnings per share for the three months ended March 31, 2019 are the same as basic earnings per share.