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Earnings per Share
 9 Months Ended
Jun. 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”) for the quarters and nine-month periods ended June 30, 2021 and 2020: 
 Quarter Ended June 30,Nine Months Ended June 30,
 2021202020212020
 (In thousands, except per share data)
Numerator for diluted and basic earnings per share:
Net income$151,198 $64,076 $306,364 $177,285 
Denominator - share:
Basic weighted-average shares28,687 29,005 28,967 29,075 
Effect of dilutive securities508 739 538 891 
Diluted weighted-average shares29,195 29,744 29,505 29,966 
Earnings per share:
Basic$5.27 $2.21 $10.58 $6.10 
Diluted$5.18 $2.15 $10.38 $5.92 
Anti-dilutive stock-based awards excluded from the calculations of diluted EPS were immaterial during the periods presented.