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COMMON SHARES
 3 Months Ended
Dec. 31, 2025
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. Diluted earnings per share are calculated using the two-class method. Earnings allocated to participating securities were inconsequential.
Three Months Ended
December 31,
 2024 2025 
Basic shares outstanding568.5 561.8 
Dilutive shares2.6 2.3 
Diluted shares outstanding571.1 564.1