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Subsequent Events (Narrative) (Details) - $ / shares
6 Months Ended
Mar. 16, 2021
Feb. 28, 2021
Subsequent Events [Line Items]    
Cash dividend declared   $ 0.67
Subsequent Events [Member]    
Subsequent Events [Line Items]    
Percentage increase in quarterly cash dividend 7.00%  
Cash dividend declared $ 0.72  
Dividend payable, declared date Mar. 16, 2021  
Dividends payable, date to be paid Apr. 30, 2021  
Dividend payable, record date Apr. 16, 2021