Property and Equipment (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Property, Plant and Equipment, Net [Abstract]
Less accumulated depreciation	$ (248.1)	$ (233.8)
Total	187.6	173.6
Land
Property, Plant and Equipment, Net [Abstract]
Property and equipment, gross	12.7	12.4
Building and land improvements
Property, Plant and Equipment, Net [Abstract]
Property and equipment, gross	149.1	140.8
Construction in progress
Property, Plant and Equipment, Net [Abstract]
Property and equipment, gross	20.3	19.7
Manufacturing and office equipment
Property, Plant and Equipment, Net [Abstract]
Property and equipment, gross	249.0	230.0
Aviation equipment
Property, Plant and Equipment, Net [Abstract]
Property and equipment, gross	$ 4.6	$ 4.5