FAIR VALUE MEASUREMENTS - Schedule of Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details) - USD ($) $ in Millions	Sep. 30, 2026	Dec. 31, 2025
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Short-term investments	$ 19.7	$ 136.0
Other long-term liabilities, including employee related benefits	0.0	1.5
Interest rate swaps \| Level 2
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Prepaid expenses and other current assets	5.8	4.9
Other non-current assets	2.9	0.0
Accrued expenses and other current liabilities	0.0	0.6
Other long-term liabilities, including employee related benefits	0.0	1.5
Foreign exchange contracts \| Level 2
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Prepaid expenses and other current assets	2.6	12.9
Accrued expenses and other current liabilities	5.9	0.1
Term deposits \| Level 2
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Short-term investments	19.7	71.8
Commercial papers \| Level 2
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Short-term investments	0.0	64.2
Money market funds \| Level 1
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Cash equivalents	170.8	291.3
Term deposits \| Level 2
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Cash equivalents	88.1	198.5
Commercial papers \| Level 2
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Cash equivalents	$ 109.6	$ 39.8

Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), classified as current.

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Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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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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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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