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Summary of Significant Accounting Policies (Tables)
12 Months Ended
Dec. 31, 2023
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,
20232022
Land$23.7 $24.1 
Buildings and improvements371.9 321.6 
Machinery and equipment965.0 964.7 
Finance leases72.2 66.5 
Construction in progress and equipment not yet in service198.4 92.8 
Total1,631.2 1,469.7 
Less accumulated depreciation(910.8)(920.8)
Property, plant and equipment, net$720.4 $548.9 
Summary of amortization of intangible assets
The range of useful lives approximates the following (in years):
Customer relationships
2 to 20 years
Non-compete agreements
Contracted term
Trade names
2 to 10 years