INCOME TAXES - Schedule of Primary Components of the Deferred Tax Assets and Liabilities are as Follows (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Deferred tax assets
Accounting provisions not currently deductible	$ 65.1	$ 30.4
Pensions and non-pension post-retirement benefits	7.6	5.1
Tax loss carryforwards	357.2	361.0
Other	60.8	77.9
Total gross deferred tax assets	490.7	474.4
Less: valuation allowance	(386.0)	(381.1)
Total net deferred tax assets	104.7	93.3
Deferred tax liabilities
Unrealized foreign exchange gains	16.4	23.1
Property, plant and equipment and intangibles	50.0	55.4
Total deferred tax liabilities	66.4	78.5
Net deferred tax assets/(liabilities)	38.3	14.8
Non-current assets	87.7	57.0
Non-current liabilities	$ 49.4	$ 42.2