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

3 Months Ended

Mar. 31, 2022

Property Plant And Equipment [Abstract]

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

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

PP&E consists of the following:

	March 31,		December 31,
	2022		2021
Land	$	28.3	$	28.3
Buildings and improvements		291.9		290.8
Machinery and equipment		837.0		828.9
Software		109.2		107.8
Office equipment and other assets		92.9		92.7
Construction in progress		109.7		104.3
Gross PP&E		1,469.0		1,452.8
Less accumulated depreciation and amortization		815.8		800.1
Net PP&E	$	653.2	$	652.7

	Three Months Ended
	March 31,		March 31,
	2022		2021
Depreciation expense on PP&E	$	16.6	$	16.8