Property, plant and equipment (Details) - USD ($) $ in Millions	Mar. 31, 2020	Dec. 31, 2019
Property, Plant and Equipment [Abstract]
Property, plant and equipment, gross	$ 771.0	$ 752.7
Accumulated depreciation	(221.8)	(210.4)
Total property, plant and equipment, net	549.2	542.3
Land and improvements
Property, Plant and Equipment [Abstract]
Property, plant and equipment, gross	46.6	46.5
Buildings, building improvements and leasehold improvements
Property, Plant and Equipment [Abstract]
Property, plant and equipment, gross	242.3	234.8
Furniture and equipment
Property, Plant and Equipment [Abstract]
Property, plant and equipment, gross	340.0	334.2
Software
Property, Plant and Equipment [Abstract]
Property, plant and equipment, gross	55.6	55.7
Construction-in-progress
Property, Plant and Equipment [Abstract]
Property, plant and equipment, gross	$ 86.5	$ 81.5

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.

+ References

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