PROPERTY, PLANT AND EQUIPMENT, NET - Major Components of Property, Plant, and Equipment (Details) - USD ($) $ in Millions	Mar. 31, 2024	Dec. 31, 2023
Property, plant and equipment
Total property, plant and equipment	$ 631.7	$ 621.2
Accumulated depreciation	(336.2)	(324.3)
Property, plant and equipment, net	295.5	296.9
Land and leasehold improvements
Property, plant and equipment
Total property, plant and equipment	50.5	51.7
Buildings and improvements
Property, plant and equipment
Total property, plant and equipment	184.7	168.5
Machinery, equipment, fixtures and software
Property, plant and equipment
Total property, plant and equipment	342.1	334.3
Construction in process
Property, plant and equipment
Total property, plant and equipment	$ 54.4	$ 66.7