Income Taxes (Tables)

12 Months Ended

Dec. 31, 2022

Income Tax Disclosure [Abstract]

Schedule of Components of Income before Income Taxes

The components of income before income taxes for the periods indicated were as follows (in millions):

	For the Years Ended December 31,
	2022		2021		2020
Domestic	$	66.7	$	414.1	$	435.9
Foreign	(23.6)		16.0		(10.7)
Total	$	43.1	$	430.1	$	425.2

Schedule of Provision for Income Taxes

The provision for income taxes for the periods indicated were as follows (in millions):

	For the Years Ended December 31,
	2022		2021		2020
Current:
Federal	$	(9.8)	$	36.9	$	70.6
Foreign	3.6		1.5		2.1
State and local	5.8		9.0		22.6
	$	(0.4)	$	47.4	$	95.3
Deferred:
Federal	$	5.9	$	37.0	$	14.8
Foreign	0.6		(0.1)		(9.8)
State and local	3.1		15.0		2.2
	$	9.6	$	51.9	$	7.2
Provision for income taxes	$	9.2	$	99.3	$	102.5

Schedule of Deferred Tax Assets and Liabilities

The tax effects of significant items comprising the Company’s net deferred tax liability as of the dates indicated were as follows (in millions):

	December 31,
	2022		2021
Deferred tax assets:
Accrued insurance	$	40.9	$	42.2
Operating loss carryforwards and tax credits	115.4		80.7
Compensation and benefits	36.9		36.1
Bad debt	2.0		1.6
Other	36.4		15.4
Capitalized expenses	110.3		—
Valuation allowance	(87.6)		(54.2)
Total deferred tax assets	$	254.3	$	121.8
Deferred tax liabilities:
Property and equipment	$	375.7	$	310.1
Goodwill	91.3		77.9
Other intangible assets	131.4		58.7
Gain on remeasurement of equity investee	7.3		7.2
Revenue recognition	84.6		1.6
Investments in unconsolidated entities	109.3		99.7
Other	26.1		17.0
Total deferred tax liabilities	$	825.7	$	572.2
Net deferred tax liabilities	$	(571.4)	$	(450.4)

Schedule of Effective Tax Rate Reconciliation

A reconciliation of the U.S. statutory federal income tax rate related to pretax income to the effective tax rate for the periods indicated is as follows:

	For the Years Ended December 31,
	2022		2021		2020
U.S. statutory federal rate applied to pretax income	21.0	%	21.0	%	21.0	%
State and local income taxes, net of federal benefit	8.8		4.3		4.3
Foreign tax rate differential	1.3		0.1		(0.2)
Non-deductible expenses	(1.6)		0.3		1.5
Goodwill and intangible assets	(0.7)		0.4		(0.2)
Change in tax rate	12.7		1.6		0.6
Other	(1.3)		0.8		(0.6)
Tax credits	(37.9)		(4.8)		(1.2)
Stock basis adjustment	0.0		(0.9)		0.0
Valuation allowance for deferred tax assets	19.0		0.3		(1.1)
Effective income tax rate	21.3	%	23.1	%	24.1	%

Rollforward of Uncertain Tax Positions

A reconciliation of the beginning and ending amount of uncertain tax positions including interest and penalties is as follows (in millions):

	For the Years Ended December 31,
	2022		2021		2020
Beginning balance	$	23.7	$	18.4	$	13.5
Additions based on tax positions related to the current year	8.0		4.4		1.5
Additions for tax positions of prior years	17.6		6.8		3.4
Settlements	—		(5.1)		—
Lapse of statute of limitations	(6.9)		(0.8)		—
Ending balance	$	42.4	$	23.7	$	18.4