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BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES - Gain on Sale of Subsidiary (Details) - Disposal Group, Disposed of by Sale, Not Discontinued Operations - South Africa Fiber $ in Millions, R in Billions |  | 3 Months Ended |
--- | --- | --- | ---
Mar. 06, 2025 USD ($) | Mar. 31, 2025 USD ($) | Mar. 06, 2025 ZAR (R) | Mar. 06, 2025 USD ($)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Proceeds received at closing |  |  | R 2.5 | $ 137.7
Net assets at closing |  |  |  | (84.1)
Total gain on sale included in Other operating expenses | $ 53.6 | $ 53.6 |  |
Taxes payable |  |  |  | $ 20.8

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