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Property, Plant and Equipment (Tables)
12 Months Ended
Dec. 31, 2023
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment
A summary of changes in property, plant and equipment follows (in millions):
December 31,
2022
Additions / (Depreciation)December 31,
2023
Land$1.2 $— $1.2 
Buildings and leasehold improvements4.8 0.2 5.0 
Machinery and equipment2.0 1.8 3.8 
Other1.1 0.2 1.3 
Property, plant and equipment, gross9.1 2.2 11.3 
Accumulated depreciation(3.6)(0.7)(4.3)
Property, plant and equipment, net$5.5 $1.5 $7.0