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Earnings Per Share
 3 Months Ended
Dec. 31, 2020
Earnings Per Share [Abstract]  
Earnings Per Share Earnings Per Share
The weighted average number of shares outstanding used to compute earnings per share was as follows:
 Three Months Ended December 31,
(shares in thousands)20202019
Basic weighted average shares outstanding62,038 64,597 
Dilutive effect of unvested RSUs97 161 
Denominator for diluted earnings per share62,135 64,758 
Our dilutive earnings per share for the three months ended December 31, 2020 and 2019, excludes any effect from approximately 0.6 million and 0.3 million unvested restricted stock units, respectively, as adding them to our calculation would be antidilutive.