Property, Plant and Equipment

12 Months Ended

Dec. 31, 2020

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment

Property, Plant and Equipment

The components of property, plant and equipment at December 31 were as follows:

	2020		2019
Land	$	2.3	$	2.2
Buildings	87.1		84.7
Machinery and other equipment	223.3		218.1
Computer equipment	117.8		96.4
Software	80.9		73.3
	511.4		474.7
Accumulated depreciation	(370.8)		(334.8)
	$	140.6	$	139.9

Depreciation and amortization expense related to property, plant and equipment was $53.4, $49.2 and $49.5 for the years ended December 31, 2020, 2019 and 2018, respectively.