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Earnings Per Share
 6 Months Ended
Mar. 31, 2023
Earnings Per Share [Abstract]  
Earnings Per Share EARNINGS PER SHARE
Table 5: Weighted Average Number of Shares - Earnings Per Share
For the Three Months EndedFor the Six Months Ended
March 31, 2023March 31, 2022March 31, 2023March 31, 2022
(in thousands)
Basic weighted average shares outstanding61,120 62,227 61,119 62,256 
Dilutive effect of unvested RSUs and PSUs263 154 146 153 
Denominator for diluted earnings per share61,383 62,381 61,265 62,409 
The diluted earnings per share calculation for the three and six months ended March 31, 2023 excludes approximately 99,000 and 300,000 unvested anti-dilutive restricted stock units, respectively. For the three and six months ended March 31, 2022, approximately 173,000 and 192,000 unvested anti-dilutive restricted stock units were excluded from the diluted earnings per share calculation, respectively.