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EQUITY INVESTMENTS - Investment in ATC (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2025 | Mar. 31, 2024
Investments In ATC [Roll Forward] |  |
Equity Investment Balance as of December 31, 2024 | $ 340.1 |
Cash Investments | 5.5 | $ 1.6
Equity Earnings | 6.0 | 5.5
Equity Investment Balance as of March 31, 2025 | 344.0 | 333.1
Net loss attributable to non-controlling interest | 21.4 | $ 13.7
ATC |  |
Investments In ATC [Roll Forward] |  |
Equity Investment Balance as of December 31, 2024 | 194.4 |
Cash Investments | 5.5 |
Equity Earnings | 6.5 |
Distributed Earnings | (7.2) |
Amortization of the Remeasurement of Deferred Income Taxes | 0.3 |
Equity Investment Balance as of March 31, 2025 | 199.5 |
Nobles 2 |  |
Investments In ATC [Roll Forward] |  |
Equity Investment Balance as of December 31, 2024 | 145.7 |
Equity Earnings | (0.5) |
Distributed Earnings | (0.7) |
Equity Investment Balance as of March 31, 2025 | 144.5 |
Net loss attributable to non-controlling interest | $ 3.9 |

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