Property, Plant, and Equipment, net - Summary of Property, Plant, and Equipment, net (Details) - USD ($) $ in Millions	Jun. 30, 2021	Dec. 31, 2020
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 256.1	$ 186.3
Less: Accumulated depreciation	82.8	73.5
Property, plant and equipment, net	173.3	112.8
Equipment, furniture and fixtures, and software
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	170.4	113.7
Building and leasehold improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	43.4	41.0
Land
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	24.1	24.1
Plant and transportation equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	10.6	4.4
Construction in progress
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 7.6	$ 3.1