Plant, Property and Equipment - PPE by Type (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Property, Plant and Equipment [Abstract]
Machinery and equipment	$ 1,263.4	$ 1,317.9
Buildings and improvements	293.4	298.4
Furniture, fixtures and office equipment	73.6	83.7
Construction in progress	103.0	78.1
Land and improvements	25.1	29.5
Other	2.0	1.7
Plant, property and equipment, gross	1,760.5	1,809.3
Less: accumulated depreciation	(1,183.3)	(1,248.3)
Plant, property and equipment, net	$ 577.2	$ 561.0