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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The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

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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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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services 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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Supplemental Balance Sheet Information - Property, Plant and Equipment (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019	Dec. 31, 2019
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 284.4		$ 284.4		$ 283.2
Less accumulated depreciation	(107.1)		(107.1)		(98.7)
Total	177.3		177.3		184.5
Depreciation expense	5.8	$ 3.5	17.5	$ 10.8
Land
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	0.8		0.8		1.0
Buildings
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	46.9		46.9		48.3
Machinery and equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	213.8		213.8		215.0
Construction in progress
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	22.9		22.9		$ 18.9
IT platform and post-divestiture
Property, Plant and Equipment [Line Items]
Depreciation expense	$ 59.3		$ 59.3