FAIR VALUE MEASUREMENTS (Tables)

12 Months Ended

Dec. 31, 2022

FAIR VALUE MEASUREMENTS

Schedule of fair value hierarchy of financial assets carried at fair value on a recurring basis


					Fair Value Measurements at December 31, 2022 Using
											Significant
		Total Carrying			Quoted prices in			Significant other			unobservable
		Value at			active market			observable inputs			inputs
(In millions)		December 31, 2022			(Level 1)			(Level 2)			(Level 3)
Other long-term assets:
Investment in Hycroft Mining Holding Corporation warrants		$	9.2		$	—		$	—		$	9.2
Marketable equity securities:
Investment in Hycroft Mining Holding Corporation			12.5			12.5			—			—
Total assets at fair value		$	21.7		$	12.5		$	—		$	9.2


					Fair Value Measurements at December 31, 2021 Using
											Significant
		Total Carrying			Quoted prices in			Significant other			unobservable
		Value at			active market			observable inputs			inputs
(In millions)		December 31, 2021			(Level 1)			(Level 2)			(Level 3)
Other long-term assets:
Money market mutual funds		$	0.5		$	0.5		$	—		$	—
Investments measured at net asset value(1)			12.4			—			—			—
Total assets at fair value		$	12.9		$	0.5		$	—		$	—

(1)

The investments relate to non-qualified deferred compensation arrangements on behalf of certain members of management. The Company has an equivalent liability for this related-party transaction recorded in other long-term liabilities for the deferred compensation obligation. The plan was terminated on May 3, 2021 and liquidated in 2022.

Summary of fair value hierarchy of the Company's assets that were measured at fair value on a nonrecurring basis


					Fair Value Measurements at December 31, 2022 Using
								Significant other			Significant
		Total Carrying			Quoted prices in			observable			unobservable
		Value at			active market			inputs			inputs			Total Impairment
(In millions)		December 31, 2022			(Level 1)			(Level 2)			(Level 3)			Losses
Property, net:
Property net		$	57.3		$	—		$	—		$	57.3		$	27.8
Operating lease right-of-use assets
Operating lease right-of-use assets			138.4			—			—			138.4			105.3
Total		$	195.7		$	—		$	—		$	195.7		$	133.1


					Fair Value Measurements at December 31, 2021 Using
								Significant other			Significant
		Total Carrying			Quoted prices in			observable			unobservable
		Value at			active market			inputs			inputs			Total Impairment
(In millions)		December 31, 2021			(Level 1)			(Level 2)			(Level 3)			Losses
Property, net:
Property net		$	22.8		$	—		$	—		$	22.8		$	21.8
Operating lease right-of-use assets, net
Operating lease right-of-use assets, et			99.2			—			—			99.2			53.4
Other long-term assets
Property owned, net			2.0			—			—			2.0			2.0
Total		$	124.0		$	—		$	—		$	124.0		$	77.2

Schedule of fair value of financial instruments not recognized at fair value for which it is practicable to estimate fair value


					Fair Value Measurements at December 31, 2022 Using
								Significant other			Significant
		Total Carrying			Quoted prices in			observable			unobservable
		Value at			active market			inputs			inputs
(In millions)		December 31, 2022			(Level 1)			(Level 2)			(Level 3)
Current maturities of corporate borrowings		$	20.0		$	—		$	10.8		$	—
Corporate borrowings			5,120.8			—			2,516.2			—


					Fair Value Measurements at December 31, 2021 Using
								Significant other			Significant
		Total Carrying			Quoted prices in			observable			unobservable
		Value at			active market			inputs			inputs
(In millions)		December 31, 2021			(Level 1)			(Level 2)			(Level 3)
Current maturities of corporate borrowings		$	20.0		$	—		$	18.1		$	—
Corporate borrowings			5,408.0			—			4,263.5			681.4