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Weighted-Average Number of Shares Used in Computing Earnings Per Share
6 Months Ended
Jun. 30, 2021
Earnings Per Share [Abstract]  
Weighted-Average Number of Shares Used in Computing Earnings Per Share Weighted-Average Number of Shares Used in Computing Earnings Per Share
The following table sets forth the weighted-average number of shares used in the computation of earnings per share:

 Three Months Ended June 30,Six Months Ended June 30,
 2021202020212020
(In millions)
Weighted-average basic shares outstanding12.0 12.1 12.0 12.2 
Plus: Dilutive impact of employee stock awards— — 0.3 — 
Weighted-average diluted shares outstanding12.0 12.1 12.3 12.2 
Certain restricted stock awards are anti-dilutive and therefore excluded from the computation of diluted earnings per share. Anti-dilutive shares were 0.4 million and 0.3 million for the three months ended June 30, 2021 and 2020, respectively. Anti-dilutive shares were 0.0 million and 0.3 million for the six months ended June 30, 2021 and 2020, respectively.