FAIR VALUE MEASUREMENTS (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Fair Value, Assets Measured on Recurring and Nonrecurring Basis
Total debt, carrying value	$ 100.5	$ 216.1
Acquisition-related Costs
Fair Value, Assets Measured on Recurring and Nonrecurring Basis
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value	3.0	0.0
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Issuances	3.0
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Earnings	0.0
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Settlements	0.0
Recurring Basis
Fair Value, Assets Measured on Recurring and Nonrecurring Basis
Cash equivalents	10.9	7.9
Equity Securities, FV-NI	1.1
Trading Liabilities, Fair Value Disclosure		0.1
Financial Liabilities Fair Value Disclosure	3.0	0.1
Assets, Fair Value Disclosure	12.0	7.9
Business Combination, Contingent Consideration, Liability	3.0
Recurring Basis | Quoted Prices in Active Markets for Identical Assets (Level 1)
Fair Value, Assets Measured on Recurring and Nonrecurring Basis
Cash equivalents	10.9	7.9
Equity Securities, FV-NI	1.1
Trading Liabilities, Fair Value Disclosure		0.1
Financial Liabilities Fair Value Disclosure	0.0	0.1
Assets, Fair Value Disclosure	12.0	7.9
Business Combination, Contingent Consideration, Liability	0.0
Recurring Basis | Significant Other Observable Inputs (Level 2)
Fair Value, Assets Measured on Recurring and Nonrecurring Basis
Cash equivalents	0.0	0.0
Equity Securities, FV-NI	0.0
Trading Liabilities, Fair Value Disclosure		0.0
Financial Liabilities Fair Value Disclosure	0.0	0.0
Assets, Fair Value Disclosure	0.0	0.0
Business Combination, Contingent Consideration, Liability	0.0
Recurring Basis | Significant Unobservable  Inputs (Level 3)
Fair Value, Assets Measured on Recurring and Nonrecurring Basis
Cash equivalents	0.0	0.0
Equity Securities, FV-NI	0.0
Trading Liabilities, Fair Value Disclosure		0.0
Financial Liabilities Fair Value Disclosure	3.0	0.0
Assets, Fair Value Disclosure	0.0	0.0
Business Combination, Contingent Consideration, Liability	3.0
Carrying value
Fair Value, Assets Measured on Recurring and Nonrecurring Basis
Total debt, carrying value	100.5	216.1
Fair value | Significant Other Observable Inputs (Level 2)
Fair Value, Assets Measured on Recurring and Nonrecurring Basis
Total debt, fair value	$ 98.6	$ 213.2