Property, Plant and Equipment, Net ("PP&E")

12 Months Ended

Dec. 31, 2021

Property Plant And Equipment [Abstract]

Property, Plant and Equipment, Net ("PP&E")

5. Property, Plant and Equipment, Net (“PP&E”)

PP&E consist of the following:

	December 31,		December 31,
	2021		2020
Land	$	28.3	$	28.3
Buildings and improvements		290.8		265.3
Machinery and equipment		828.9		793.4
Software		107.8		103.0
Office equipment and other assets		92.7		85.1
Construction in progress		104.3		86.8
Gross PP&E		1,452.8		1,361.9
Less accumulated depreciation and amortization		800.1		749.1
Net PP&E	$	652.7	$	612.8

	For the Year Ended December 31,
	2021		2020		2019
Depreciation expense on PP&E	$	68.4	$	66.2	$	63.8