SHAREHOLDERS' EQUITY - Narrative (Details) - USD ($) $ / shares in Units, $ in Thousands, shares in Millions |
3 Months Ended | 9 Months Ended | |||||||
|---|---|---|---|---|---|---|---|---|---|
Jun. 30, 2024 |
Mar. 31, 2024 |
Dec. 31, 2023 |
Jun. 30, 2023 |
Mar. 31, 2023 |
Dec. 31, 2022 |
Jun. 30, 2024 |
Jun. 30, 2023 |
Sep. 30, 2023 |
|
| Stockholders' Equity Note [Abstract] | |||||||||
| Number of common shares authorized to be repurchased (in shares) | 4.0 | 4.0 | |||||||
| Shares of common stock repurchased (in shares) | 3.2 | 1.4 | 6.5 | ||||||
| Aggregate cost of repurchased shares | $ 103,200 | $ 51,600 | $ 249,000 | ||||||
| Excise tax | $ 1,000 | 300 | $ 1,800 | ||||||
| Dividends declared | $ 42,000 | 143,300 | |||||||
| Dividends declared (in dollars per share) | $ 0.25 | $ 0.25 | $ 0.25 | $ 0.25 | $ 0.25 | $ 0.25 | |||
| Dividends declared, supplemental (in dollars per share) | $ 0.17 | $ 0.17 | $ 0.34 | $ 0.235 | $ 0.47 | ||||
| Dividends payable | $ 42,045 | $ 42,045 | $ 25,194 | ||||||