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MARKETABLE SECURITIES - Narrative (Details) - USD ($) $ in Millions | Jun. 30, 2025 | Dec. 31, 2024
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Debt Securities, Available-for-sale [Line Items] |  |
Water assets held for sale | $ 4.2 | $ 4.1
CYAPC and YAEC |  |
Debt Securities, Available-for-sale [Line Items] |  |
Available-for-sale equity securities | $ 159.8 | $ 163.1

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