Supplemental Balance Sheet Information (Details) - USD ($) $ in Millions	Dec. 31, 2020	Dec. 31, 2019
Accrued Expenses other [Line Items]
Other Accrued Liabilities, Current	$ 135.4	$ 42.7
Accrued Liabilities, Current [Abstract]
Accrued wages and bonuses	41.1	35.2
Accrued fringe benefits	103.0	125.5
Accrued interest	29.1	3.5
Workers' compensation	7.7	8.7
Property and sales tax	47.2	24.1
Warranty/extraordinary rework reserve — current	2.1	0.5
Other(1)	135.4	42.7
Total	365.6	240.2
Repayable Investment Agreement	307.2
Other Liabilities, Noncurrent [Abstract]
Warranty/extraordinary rework reserve - non-current	74.8	64.3
Other(3)	55.0	31.5
Total	$ 437.0	$ 95.8