FAIR VALUE MEASUREMENTS - Fair value on a nonrecurring basis (Details) - USD ($) $ in Millions |
Sep. 30, 2022 |
Dec. 31, 2021 |
|---|---|---|
| Other Fair Value Measurement Disclosures | ||
| Current maturities of corporate borrowings, carrying value | $ 128.1 | $ 20.0 |
| Corporate borrowings, noncurrent, carrying value | 5,197.2 | $ 5,408.0 |
| Total Carrying Value. | ||
| Other Fair Value Measurement Disclosures | ||
| Current maturities of corporate borrowings, carrying value | 128.1 | |
| Corporate borrowings, noncurrent, carrying value | 5,197.2 | |
| Significant other observable inputs (Level 2) | ||
| Other Fair Value Measurement Disclosures | ||
| Current maturities of corporate borrowings, fair value | 15.6 | |
| Corporate borrowings, noncurrent, fair value | 3,348.2 | |
| Significant unobservable inputs (Level 3) | ||
| Other Fair Value Measurement Disclosures | ||
| Current maturities of corporate borrowings, fair value | 107.3 | |
| Corporate borrowings, noncurrent, fair value | $ 349.7 |