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 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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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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Components of Property, Plant and Equipment (Details) - USD ($) $ in Millions	Jun. 30, 2019	Jan. 01, 2019	Dec. 31, 2018
Property, Plant and Equipment [Line Items]
Gross PP&E	$ 1,239.7		$ 1,267.2
Less accumulated depreciation and amortization	680.7		669.0
Net PP&E	559.0	$ 563.0	598.2
Land
Property, Plant and Equipment [Line Items]
Gross PP&E	27.8		27.8
Building and Building Improvements
Property, Plant and Equipment [Line Items]
Gross PP&E	252.5		301.3
Machinery and Equipment
Property, Plant and Equipment [Line Items]
Gross PP&E	735.9		716.7
Software
Property, Plant and Equipment [Line Items]
Gross PP&E	98.4		97.9
Office equipment and other assets
Property, Plant and Equipment [Line Items]
Gross PP&E	77.9		73.8
Construction in progress
Property, Plant and Equipment [Line Items]
Gross PP&E	$ 47.2		$ 49.7