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COMMON SHARES
 6 Months Ended
Mar. 31, 2024
Weighted Average Number of Shares Outstanding Reconciliation [Abstract]  
COMMON SHARES COMMON SHARES
Reconciliations of weighted-average shares for basic and diluted earnings per common share follow. Earnings allocated to participating securities were inconsequential.
Three Months Ended
March 31,		Six Months Ended
March 31,
 2023 2024 2023 2024 
Basic shares outstanding570.9 571.4 577.2 571.1 
Dilutive shares2.7 2.7 2.9 2.6 
Diluted shares outstanding573.6 574.1 580.1 573.7