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Earnings Per Share (Tables)
9 Months Ended
Jun. 30, 2020
Earnings Per Share [Abstract]  
Weighted average number of shares used to compute earnings per share
The weighted average number of shares outstanding used to compute earnings per share was as follows:
 Three Months Ended June 30,Nine Months Ended June 30,
(shares in thousands)2020201920202019
Basic weighted average shares outstanding61,882  64,405  63,463  64,534  
Dilutive effect of unvested RSUs220  354  203  266  
Denominator for diluted earnings per share62,102  64,759  63,666  64,800