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Income Taxes (Tables)

12 Months Ended

Dec. 31, 2020

Income Tax Disclosure [Abstract]

Schedule of Components of Income Tax Benefit

Our benefit for income taxes includes U.S. federal, state and foreign income taxes. The domestic and foreign components of our income (loss) before income taxes were as follows:

			Year Ended December 31,
			2020						2019						2018
U.S.			$	(423.4)					$	176.4					$	138.9
Foreign			(72.0)						(50.0)						(65.9)
Income (loss) before income taxes			$	(495.4)					$	126.4					$	73.0

Our benefit for income taxes was as follows:

			Year Ended December 31,
			2020						2019						2018
Current:
Federal			$	(3.4)					$	(0.7)					$	(1.3)
State			(1.1)						(0.6)						(0.7)
Foreign			(19.3)						(7.8)						(10.3)
			(23.8)						(9.1)						(12.3)
Deferred:
Federal			2.9						4.4						1.4
State			1.5						0.4						1.0
Foreign			20.7						16.3						18.9
			25.1						21.1						21.3
Benefit for income taxes			$	1.3					$	12.0					$	9.0

Schedule of Effective Income Tax Rate Reconciliation

A reconciliation of the statutory U.S. federal income tax rate to our effective income tax rate was as follows:

			Year Ended December 31,
			2020						2019						2018
Expected provision at U.S. federal statutory tax rate			$	104.0					$	(26.5)					$	(15.3)
Research and development credits			75.0						—						—
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)						—						—
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

Schedule of Deferred Tax Assets and Liabilities

The components of our deferred taxes were as follows:

			December 31,
			2020						2019
DTAs:
Investment in Desert Newco			$	1,099.5					$	968.0
NOLs			558.1						476.1
Credit and incentives			77.1						3.0
Deferred interest			26.4						34.1
Operating lease liabilities			22.7						25.7
TRA liability			—						24.4
Other			4.7						5.9
Valuation allowance			(1,761.0)						(1,497.0)
Total DTAs			27.5						40.2
DTLs:
Identified intangible assets			(101.8)						(112.8)
Operating lease assets			(12.5)						(22.7)
Total DTLs			(114.3)						(135.5)
Net DTLs			$	(86.8)					$	(95.3)

Summary of Operating Loss Carryforwards

As of December 31, 2020, we had U.S. federal, state and foreign gross NOLs, credits and incentives, a portion of which will begin to expire in 2030, as follows:

			Gross NOLs, Credits and Incentives						Portion Subject to a Valuation Allowance
Federal NOLs and credits			$	2,112.3					$	2,112.3
State NOLs, credits and incentives			2,586.4						2,586.4
Foreign NOLs			36.0						23.9
Total NOLs, credits and incentives			$	4,734.7					$	4,722.6

Summary of Tax Credit Carryforwards

As of December 31, 2020, we had U.S. federal, state and foreign gross NOLs, credits and incentives, a portion of which will begin to expire in 2030, as follows:

			Gross NOLs, Credits and Incentives						Portion Subject to a Valuation Allowance
Federal NOLs and credits			$	2,112.3					$	2,112.3
State NOLs, credits and incentives			2,586.4						2,586.4
Foreign NOLs			36.0						23.9
Total NOLs, credits and incentives			$	4,734.7					$	4,722.6

Schedule of Unrecognized Tax Benefits Roll Forward

Our liability for unrecognized tax benefits was as follows:

			December 31,
			2020						2019
Balance at beginning of period			$	9.3					$	2.1
Gross increases - tax positions in prior period			24.2						4.5
Gross increases - tax positions in current period			13.0						2.7
Current year acquisitions			20.2						—
Balance at end of period			$	66.7					$	9.3

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