FINANCIAL INSTRUMENTS - Schedule of Fair Value Measurements (Details) - USD ($) $ in Millions	Jun. 30, 2023	Dec. 31, 2022
Recurring
Asset Category
Total	$ 104.6	$ 131.9
Liability Category
Total	7.4	5.5
Level 2 | Recurring | Metals contracts
Asset Category
Derivative asset	1.7	2.5
Liability Category
Derivative liability	1.9	5.0
Level 3 | Recurring
Asset Category
Available-for-sale debt securities	13.9	11.5
Foreign exchange contracts | Level 2 | Recurring
Asset Category
Derivative asset	0.1	0.2
Liability Category
Derivative liability	0.1	0.5
Interest rate swaps
Asset Category
Derivative asset	43.3	47.3
Interest rate swaps | Level 2 | Recurring | Other current assets
Asset Category
Derivative asset	32.2	32.7
Interest rate swaps | Level 2 | Recurring | Other assets
Asset Category
Derivative asset	11.1	14.6
Cross-currency swaps
Asset Category
Derivative asset	40.2	70.4
Cross-currency swaps | Level 2 | Recurring
Liability Category
Derivative liability	5.4	0.0
Cross-currency swaps | Level 2 | Recurring | Other current assets
Asset Category
Derivative asset	27.4	26.1
Cross-currency swaps | Level 2 | Recurring | Other assets
Asset Category
Derivative asset	$ 18.2	$ 44.3