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STOCKHOLDERS EQUITY AND EARNINGS PER SHARE
 9 Months Ended
May 31, 2021
Earnings Per Share [Abstract]  
Stockholder's equity and earnings per share
The calculations of basic and diluted earnings per share from continuing operations were as follows: 
Three Months Ended May 31,Nine Months Ended May 31,
(in thousands, except share data)2021202020212020
Earnings from continuing operations$130,408 $64,169 $260,552 $210,520 
Basic earnings per share:
Shares outstanding for basic earnings per share120,613,652 119,192,962 120,241,579 118,828,870 
Basic earnings per share from continuing operations$1.08 $0.54 $2.17 $1.77 
Diluted earnings per share:
Shares outstanding for basic earnings per share120,613,652 119,192,962 120,241,579 118,828,870 
Effect of dilutive securities:
Stock-based incentive/purchase plans1,580,003 1,085,779 1,610,565 1,448,867 
Shares outstanding for diluted earnings per share122,193,655 120,278,741 121,852,144 120,277,737 
Diluted earnings per share from continuing operations$1.07 $0.53 $2.14 $1.75 

Anti-dilutive shares not included above were immaterial for all periods presented.

Restricted stock is included in the number of shares of common stock issued and outstanding, but omitted from the basic earnings per share calculation until the shares vest.
During the first quarter of 2015, CMC's Board of Directors authorized a share repurchase program under which CMC may repurchase up to $100.0 million of shares of common stock. During the nine months ended May 31, 2021, CMC did not repurchase any shares of common stock. CMC had remaining authorization to repurchase $27.6 million of common stock at May 31, 2021.