OTHER (INCOME) EXPENSE - Schedule of Other General Expense - Net (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Other Income and Expenses [Abstract]
Provisions for environmental matters - net	$ 3.3	$ 0.4	$ 3.4	$ 3.5
Loss (gain) on sale or disposition of assets	0.1	(1.3)	(1.8)	(3.4)
Other	0.0	7.2	8.1	15.1
Total	$ 3.4	$ 6.3	$ 9.7	$ 15.2

Amount, before recovery, of expense for known and estimated future costs arising from requirement to perform environmental remediation.

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 410
-SubTopic 30
-Name Accounting Standards Codification
-Section 55
-Paragraph 11
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481899/410-30-55-11

Reference 2: http://www.xbrl.org/2003/role/recommendedDisclosureRef
-Topic 410
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-Name Accounting Standards Codification
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Reference 3: http://www.xbrl.org/2003/role/recommendedDisclosureRef
-Topic 410
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-Paragraph 12
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481931/410-30-50-12

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Amount of gain (loss) on sale or disposal of property, plant and equipment assets, excluding oil and gas property and timber property.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 360
-SubTopic 10
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Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
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Amount of other expense (income) that is infrequent in occurrence or unusual in nature.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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The net amount of other operating income and expenses, the components of which are not separately disclosed on the income statement, from items that are associated with the entity's normal revenue producing operations.

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