FINANCIAL INSTRUMENTS - Fair Value Measurements (Details) - USD ($) $ in Millions	Jun. 30, 2024	Dec. 31, 2023
Recurring
Asset Category
Total	$ 74.2	$ 54.6
Liability Category
Total	3.3	25.6
Level 2 | Recurring | Metals contracts
Asset Category
Derivative asset	0.4	0.5
Liability Category
Derivative liability	3.2	1.7
Level 3 | Recurring
Asset Category
Available-for-sale debt securities	11.5	14.2
Foreign exchange contracts | Level 2 | Recurring
Asset Category
Derivative asset	0.5	0.2
Liability Category
Derivative liability	0.1	0.9
Interest rate swaps
Asset Category
Derivative asset	23.2	11.9
Interest rate swaps | Level 2 | Recurring
Liability Category
Derivative liability	0.0	12.3
Interest rate swaps | Level 2 | Recurring | Other current assets
Asset Category
Derivative asset	20.1	19.9
Interest rate swaps | Level 2 | Recurring | Other assets
Asset Category
Derivative asset	3.1	4.3
Cross-currency swaps
Asset Category
Derivative asset	38.6	4.8
Cross-currency swaps | Level 2 | Recurring | Other current assets
Asset Category
Derivative asset	36.0	5.9
Cross-currency swaps | Level 2 | Recurring | Other assets
Asset Category
Derivative asset	2.6	9.6
Cross-currency swaps | Level 2 | Recurring | Accrued expenses and other current liabilities
Liability Category
Derivative liability	0.0	0.9
Cross-currency swaps | Level 2 | Recurring | Other liabilities
Liability Category
Derivative liability	$ 0.0	$ 9.8