CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY (UNAUDITED) (Parenthetical) - $ / shares |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2022 |
Jun. 30, 2021 |
Jun. 30, 2022 |
Jun. 30, 2021 |
|
| Statement of Stockholders' Equity [Abstract] | ||||
| Cash dividends declared and paid, at a quarterly amount per class A common stock (in dollars per share) | $ 0.375 | $ 0.32 | $ 0.375 | $ 0.32 |