v3.21.2
CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY (Parenthetical) - $ / shares
12 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2019
Statement of Stockholders' Equity [Abstract]      
Dividends paid, quarterly, per share (in dollars per share) $ 0.32 $ 0.30 $ 0.25
Dividends declared, quarterly, per share (in dollars per share) $ 0.32 $ 0.30 $ 0.25