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FINANCIAL INSTRUMENTS - Summary of Equity Investment Activity (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2023
Level 1
Fair Value, Level 1 [Abstract]
Beginning balance, carrying value		$ 4.3
Changes in fair value		(0.4)
Purchases / Sales / Other		(3.9)
Ending balance, carrying value	$ 0.0	0.0
Level 2
Fair Value, Level 2 [Abstract]
Beginning balance, carrying value		59.1
Changes in Fair Value	0.0	(5.6)
Purchases / Sales / Other		20.0
Ending balance, carrying value	73.5	73.5
Prepaids and other current assets | Level 1
Fair Value, Level 1 [Abstract]
Ending balance, carrying value	0.0	0.0
Prepaids and other current assets | Level 2
Fair Value, Level 2 [Abstract]
Ending balance, carrying value	0.0	0.0
Intangible and other assets, net | Level 1
Fair Value, Level 1 [Abstract]
Ending balance, carrying value	0.0	0.0
Intangible and other assets, net | Level 2
Fair Value, Level 2 [Abstract]
Ending balance, carrying value	$ 73.5	$ 73.5

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Amount of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI), classified as current.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(2))
-Publisher FASB
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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