Property, Plant, and Equipment, net - Summary of Property, Plant, and Equipment, net (Details) - USD ($) $ in Millions	Sep. 30, 2021	Dec. 31, 2020
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 258.3	$ 186.3
Less: Accumulated depreciation	90.1	73.5
Property, plant and equipment, net	168.2	112.8
Equipment, furniture and fixtures, and software
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	169.2	113.7
Building and leasehold improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	43.3	41.0
Land
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	24.1	24.1
Construction in progress
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	13.4	3.1
Plant and transportation equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 8.3	$ 4.4