XML 94 R81.htm IDEA: XBRL DOCUMENT v3.20.4
Income Taxes - Income Tax Rate Reconciliation (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Effective Income Tax Rate Reconciliation, Amount [Abstract]      
Expected provision at U.S. federal statutory tax rate $ 104.0 $ (26.5) $ (15.3)
Research and development credits 75.0 0.0 0.0
State taxes, net of federal benefit 44.9 (1.2) 2.1
Effect of investment in Desert Newco 10.4 7.1 13.1
TRA liability adjustment (5.3) 1.7 0.3
Foreign earnings (5.4) 2.1 3.1
Uncertain tax positions (5.6) 0.0 0.0
Other 0.9 (4.3) 0.9
Effect of changes in valuation allowances (217.6) 33.1 4.8
Benefit for income taxes $ 1.3 $ 12.0 $ 9.0