Property, Plant, and Equipment, net (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Property, Plant, and Equipment
Property, plant and equipment, gross	$ 1,602.7	$ 1,536.3
Accumulated depreciation	(828.6)	(752.8)
Property, plant, and equipment, net	774.1	783.5
Capitalized interest	1.3	1.2	$ 2.2
Land
Property, Plant, and Equipment
Property, plant and equipment, gross	72.9	75.8
Buildings and leasehold improvements
Property, Plant, and Equipment
Property, plant and equipment, gross	499.1	479.8
Machinery and equipment
Property, Plant, and Equipment
Property, plant and equipment, gross	971.1	926.0
Projects in progress
Property, Plant, and Equipment
Property, plant and equipment, gross	$ 59.6	$ 54.7

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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Amount of interest capitalized during the period.

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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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