FAIR VALUE MEASUREMENTS - Assets and Liabilities Measured at Fair Value (Details) - Fair Value, Recurring - Fair Value, Inputs, Level 2 - USD ($) $ in Millions	Sep. 30, 2026	Dec. 31, 2025
Foreign currency forward contracts \| Location, Statement of Financial Position, Balance [Axis]: us-gaap:AccruedLiabilitiesAndOtherLiabilities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Net liabilities measured at fair value on a recurring basis	$ 0.1	$ 0.1
Deferred compensation liabilities \| Location, Statement of Financial Position, Balance [Axis]: us-gaap:OtherLiabilitiesNoncurrent
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Net liabilities measured at fair value on a recurring basis	20.0	13.4
Certificates of deposit \| Location, Statement of Financial Position, Balance [Axis]: us-gaap:OtherAssetsCurrent
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Net assets measured at fair value on a recurring basis	0.2	0.2
Investments \| Location, Statement of Financial Position, Balance [Axis]: us-gaap:OtherAssetsMiscellaneousNoncurrent
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Net assets measured at fair value on a recurring basis	$ 20.1	$ 13.5