FAIR VALUE MEASUREMENTS (Tables)

12 Months Ended

Dec. 31, 2023

Fair Value Disclosures [Abstract]

Schedule of Fair Value, Assets Measured on Recurring Basis

As of December 31, 2023 and December 31, 2022, the assets and liabilities measured at fair value on a recurring basis were as set forth in the table below:

(In millions)	December 31, 2023		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Assets:
Cash equivalents	$	10.9	$	10.9	$	—	$	—
Share swap transaction	$	1.1	$	1.1	$	—	$	—
Total assets	$	12.0	$	12.0	$	—	$	—
Liabilities:
Contingent payments related to acquisition	$	3.0	$	—	$	—	$	3.0
Total liabilities	$	3.0	$	—	$	—	$	3.0
	December 31, 2022		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Assets:
Cash equivalents	$	7.9	$	7.9	$	—	$	—
Total assets	$	7.9	$	7.9	$	—	$	—
Liabilities:
Share swap transaction	$	0.1	$	0.1	$	—	$	—
Total liabilities	$	0.1	$	0.1	$	—	$	—

Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation

The following table provides a roll-forward of the contingent consideration liability, which is included in other long-term liabilities in the consolidated balance sheets:

(In millions)	2023
Fair value at beginning of period	$	—
Additions	$	3.0
Change in fair value recognized in earnings	$	—
Payments	$	—
Fair value at end of period	$	3.0