Income Taxes (Tables)

12 Months Ended

Dec. 31, 2023

Income Tax Disclosure [Abstract]

Schedule of Components of Earnings (Loss) Before Income Taxes

Earnings before income taxes during the years ended December 31, 2023, 2022 and 2021, was as follows:

	Year Ended December 31,
(millions)	2023		2022		2021
United States	$	47.8	$	65.1	$	44.8
Foreign		0.9		0.5		1.0
Total	$	48.7	$	65.6	$	45.8

Schedule of Components of Income Tax Expense (Benefit)

The components of income tax expense (benefit) during the years ended December 31, 2023, 2022 and 2021 were as follows:

	Year Ended December 31,
(millions)	2023			2022		2021
Current
U.S. Federal	$	8.2		$	6.9	$	(3.2	)
Foreign		0.8			0.3		0.2
State		3.6			2.7		1.0
Total current		12.6			9.9		(2.0	)
Deferred
U.S. Federal		1.3			5.1		9.7
Foreign		(0.5	)		—		0.1
State		0.6			2.5		2.7
Total deferred		1.4			7.6		12.5
Income tax expense	$	14.0		$	17.5	$	10.5

Schedule of Components of Company's Deferred Tax Assets and Liabilities

omponents of the Company's deferred tax assets and liabilities as of December 31, 2023 and 2022 were as follows:

	December 31,
(millions)	2023			2022
Deferred income tax assets
NOL carry forwards and tax credits	$	17.7		$	20.2
Lease liabilities		57.8			59.0
Accrued expenses		16.7			15.7
Accrued compensation		10.3			10.2
Depreciation		27.6			27.6
Other		4.8			0.2
Total deferred income tax assets		134.9			132.9
Valuation allowances		(6.8	)		(9.0	)
Net deferred income tax assets		128.1			123.9
Deferred income tax liabilities
ROU assets		(47.3	)		(43.9	)
Depreciation and amortization		(12.9	)		(13.5	)
Goodwill		(22.3	)		(19.3	)
Equity investments in unconsolidated entities		(4.7	)		(5.1	)
Other		(0.4	)		(0.3	)
Total deferred income tax liabilities		(87.6	)		(82.1	)
Total net deferred income tax asset	$	40.5		$	41.8
Amounts per Consolidated Balance Sheets
Deferred income tax assets		42.8			44.4
Deferred income tax liabilities (included in Other noncurrent liabilities)		(2.3	)		(2.6	)
Total net deferred income tax asset	$	40.5		$	41.8

Schedule of Changes Affecting the Valuation Allowances on Deferred Tax Assets

Changes affecting the valuation allowances on deferred tax assets during the years ended December 31, 2023, 2022 and 2021, were as follows:

	December 31,
(millions)	2023			2022			2021
Beginning Balance	$	9.0		$	10.9		$	10.7
Current year (benefit) expense		(2.2	)		(1.9	)		0.2
Ending Balance	$	6.8		$	9.0		$	10.9

Schedule of Reconciliation of Differences Between the U.S. Federal Statutory Income Tax Rate and Effective Income Tax Rate

A reconciliation of differences between the U.S. Federal statutory income tax rate and the Company's effective income tax rate during the years ended December 31, 2023, 2022 and 2021, was as follows:

	Year Ended December 31,
(percentages)	2023			2022			2021
Tax at statutory rate		21.0	%		21.0	%		21.0	%
Permanent differences		4.8	%		1.3	%		1.4	%
State and local income taxes, net of federal benefit		11.6	%		10.0	%		6.8	%
Foreign taxes		0.7	%		0.4	%		0.5	%
Federal NOL carryback rate differential		—			—			(4.4	)%
Noncontrolling interest		(1.6	)%		(0.9	)%		(1.7	)%
Recognition of tax credits		(3.3	)%		(2.2	)%		(1.0	)%
		33.2	%		29.6	%		22.6	%
Change in valuation allowance		(4.5	)%		(2.9	)%		0.3	%
Effective tax rate		28.7	%		26.7	%		22.9	%

Schedule of Tax Years that Remain Subject to Examination for the Company's Major Tax Jurisdictions

The tax years that remain subject to examination for the Company's major tax jurisdictions as of December 31, 2023 and 2022 were as follows:

2020 - 2023	United States - federal income tax
2019 - 2023	United States - state and local income tax
2019 - 2023	Foreign - Canada and Puerto Rico