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Earnings per Share
 12 Months Ended
Sep. 30, 2021
Earnings Per Share [Abstract]  
Earnings per Share Earnings per Share
The following table presents reconciliations for the numerators and denominators of basic and diluted earnings per share (“EPS”) during fiscal 2021, 2020 and 2019: 
 Year Ended September 30,
 202120202019
 (In thousands, except per share data)
Numerator for basic and diluted earnings per share — net income$392,084 $236,411 $192,124 
Denominator — share:
Basic weighted-average shares28,734 29,067 28,980 
Effect of dilutive securities526 865 1,314 
Diluted weighted-average shares29,260 29,932 30,294 
Earnings per share:
Basic$13.65 $8.13 $6.63 
Diluted$13.40 $7.90 $6.34 

Anti-dilutive share-based awards excluded from the calculations of diluted EPS were immaterial during the periods presented.