SIGNIFICANT ACCOUNTING POLICIES (Narrative) (Details) - USD ($) shares in Millions, $ in Millions	9 Months Ended
Sep. 30, 2025	Sep. 30, 2024	Dec. 31, 2024
Significant Accounting Policies [Line Items]
Revenue expected to be recognized from remaining performance obligations	$ 2,400.2
Revenue expected to be recognized from remaining performance obligations, 2019	1,492.4
Derivative, net gain (loss)	$ 17.2	$ (3.8)
Anti-dilutive shares excluded from computation of earnings per share amount	419,565	527,783
Security Subscriptions and Software Updates and Maintenance
Significant Accounting Policies [Line Items]
Deferred revenue	$ 1,229.1	$ 1,184.7
Foreign Exchange Forward Contracts \| Not Designated as Hedging Instrument
Significant Accounting Policies [Line Items]
Derivative, net gain (loss)	(24.3)	$ (5.6)
Derivative, notional amount	$ 194.9		$ 253.6
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Investment Income, Nonoperating	Investment Income, Nonoperating
Foreign Exchange Forward Contracts \| Designated as Hedging Instrument \| Cash Flow Hedging
Significant Accounting Policies [Line Items]
Derivative, notional amount	$ 335.5		$ 359.4

Revenue remaining performance obligation next twelve months.

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Significant Accounting Policies [Line Items]

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Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

+ References

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Amount of deferred income and obligation to transfer product and service to customer for which consideration has been received or is receivable.

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Amount of increase (decrease) in the fair value of derivatives recognized in the income statement.

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Indicates line item in statement of income or comprehensive income that includes gain (loss) from derivative.

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Nominal or face amount used to calculate payment on derivative.

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Amount of transaction price allocated to performance obligation that has not been recognized as revenue.

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