Income Taxes (Tables)

12 Months Ended

Dec. 31, 2022

Income Tax Disclosure [Abstract]

Components of Provision (Benefit) for Income Taxes

The following table summarizes the income tax expense from continuing operations:

	For the Years Ended December 31,
(in millions)	2022		2021		2020
Current tax expense:
Federal	$	24.0	$	14.7	$	16.4
Foreign	4.1		5.0		1.4
State and local	6.6		4.0		5.1
Total current tax expense	34.7		23.7		22.9
Deferred tax (benefit) expense:
Federal	(3.5)		0.4		2.7
Foreign	(0.1)		1.5		3.1
State and local	(0.6)		(8.6)		(0.2)
Total deferred tax (benefit) expense	(4.2)		(6.7)		5.6
Total income tax expense	$	30.5	$	17.0	$	28.5

Differences between Statutory Federal Income Tax Rate and Effective Income Tax Rate

The following table summarizes the differences between the statutory federal income tax rate and the effective income tax rate from continuing operations:

	For the Years Ended December 31,
	2022		2021		2020
Statutory federal income tax rate	21.0	%	21.0	%	21.0	%
State income taxes, net of federal tax benefit	4.0		3.4		3.5
Valuation allowance	(2.3)		(2.9)		0.1
Remeasurement of deferred taxes	(0.6)		(2.8)		—
Tax reserves	—		0.1		(0.1)
Tax credits	(0.3)		(0.4)		(0.3)
Foreign tax rate effects	0.6		1.2		0.8
Excess tax benefits from stock compensation activity	(1.6)		(4.8)		(2.9)
Other, net	(0.6)		(0.3)		0.8
Effective income tax rate	20.2	%	14.5	%	22.9	%

Schedule of Income before Income Tax

The following table summarizes income before income taxes from continuing operations:

	For the Years Ended December 31,
(in millions)	2022		2021		2020
U.S.	$	132.1	$	94.8	$	107.4
Non-U.S.	18.8		22.8		17.2
Income before income taxes	$	150.9	$	117.6	$	124.6

Deferred Income Tax Assets and Liabilities

The following table summarizes deferred income tax assets and liabilities of the Company’s continuing operations:

(in millions)	2022		2021
Deferred tax assets:
Properties and equipment	$	3.5	$	2.8
Accrued expenses	28.7		24.7
Stock-based compensation	3.5		3.3
Net operating loss and tax credit carryforwards	18.0		19.4
Goodwill and intangibles	0.9		1.8
Pension benefits	14.8		15.1
Gross deferred tax assets	69.4		67.1
Valuation allowance	(1.0)		(5.1)
Total deferred tax assets	68.4		62.0
Deferred tax liabilities:
Properties and equipment	(35.4)		(31.2)
Pension benefits	(10.1)		(9.2)
Goodwill and intangibles	(63.1)		(64.4)
Other	(1.9)		(1.9)
Gross deferred tax liabilities	(110.5)		(106.7)
Net deferred tax liabilities	$	(42.1)	$	(44.7)

Summary of Activities Related to Unrecognized Tax Benefits

The following table summarizes the activity related to the Company’s unrecognized tax benefits:

(in millions)	2022		2021		2020
Balance at January 1	$	1.2	$	1.2	$	1.3
Increases as a result of tax positions taken in the current period	—		0.1		—
Decreases due to lapse of statute of limitations	—		(0.1)		(0.1)
Balance at December 31	$	1.2	$	1.2	$	1.2