FAIR VALUE MEASUREMENTS (Tables)

3 Months Ended

Mar. 31, 2021

Fair Value Disclosures [Abstract]

Schedule of Fair Value, Assets Measured on Recurring Basis

As of March 31, 2021 and December 31, 2020, the assets measured at fair value on a recurring basis were as set forth in the table below:

(In millions)	March 31, 2021		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Cash equivalents	$	19.9	$	19.9	$	—	$	—
	December 31, 2020		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Cash equivalents	$	20.2	$	20.2	$	—	$	—