Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2022

Accounting Policies [Abstract]

Estimated useful lives of property, plant and equipment

Depreciation is computed using the straight-line method over the following estimated useful lives:

Buildings and improvements:
Buildings and improvements	2 to 40 years
Leasehold improvements	1 to 39 years
Machinery and equipment:
Computer hardware	3 to 5 years
Computer software	3 to 10 years
Factory machinery and equipment	1 to 15 years
Research and development equipment	3 to 5 years
Vehicles	3 to 10 years

Components of Property, plant and equipment, net were as follows (in millions):

	As of December 31,
	2022		2021
Land	$	24.1	$	24.0
Buildings and improvements	321.6		285.9
Machinery and equipment	964.7		946.5
Finance leases	66.5		63.5
Construction in progress and equipment not yet in service	92.8		84.0
Total	1,469.7		1,403.9
Less accumulated depreciation	(920.8)		(888.8)
Property, plant and equipment, net	$	548.9	$	515.1