SUPPLEMENTAL BALANCE SHEET INFORMATION - Prepaid Expenses and Other Current Assets (Details) - USD ($) $ in Millions	Mar. 31, 2026	Dec. 31, 2025
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Prepaid expenses	$ 200.8	$ 112.9
Derivative assets (Note 8)	24.8	8.1
Other	19.2	10.4
Prepaid expenses and other current assets	$ 244.8	$ 131.4

Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, expected to be settled within one year or normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset.

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Amount of current assets classified as other.

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