INCOME TAXES - Components of Deferred Income Taxes (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Deferred tax assets:
Net operating losses	$ 87.8	$ 98.5
Interest carryforward	81.4	39.4
Capital loss carryforward	53.5	54.2
Tax credits	64.6	32.2
Employee benefits	17.9	18.1
Research and development costs	33.2	28.0
Accrued liabilities	6.4	6.3
Other	40.0	49.6
Total gross deferred tax assets	384.8	326.3
Valuation allowances	(143.6)	(153.2)
Total deferred tax assets	241.2	173.1
Deferred tax liabilities:
Intangible assets	154.5	175.6
Property, plant and equipment	33.2	28.1
Undistributed foreign earnings	32.3	28.2
Goodwill	9.6	10.9
Total deferred tax liabilities	229.6	242.8
Net deferred tax asset	$ 11.6
Net deferred tax liability		$ (69.7)