Discontinued Operations - Cash Flows (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Stock-based compensation expense recognized	$ 98.1	$ 51.3	$ 19.2
Discontinued Operations, Disposed of by Sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Loss (gain) on sale	(90.6)	0.0	0.0
Depreciation and amortization	18.8	88.4	31.6
Stock-based compensation expense recognized	10.9	3.8	0.5
Capital expenditures	1.9	6.7	5.3
Discontinued Operations, Disposed of by Sale | Specialty Vehicle Technologies
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Loss (gain) on sale	(298.3)	0.0	0.0
Depreciation and amortization	14.8	51.5	0.0
Stock-based compensation expense recognized	8.2	3.0	0.0
Capital expenditures	1.6	3.1	0.0
Discontinued Operations, Disposed of by Sale | High Pressure Solutions
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Loss (gain) on sale	207.7	0.0	0.0
Depreciation and amortization	4.0	36.9	31.6
Stock-based compensation expense recognized	2.7	0.8	0.5
Capital expenditures	$ 0.3	$ 3.6	$ 5.3