Income Taxes (Tables)

12 Months Ended

Dec. 31, 2021

Income Tax Disclosure [Abstract]

Schedule of Components of Income Taxes

The provision for income taxes for consists of the following (in millions):

	Year Ended December 31,
	2021		2020		2019
Current:
Federal	$	43.6	$	44.9	$	26.0
State	15.5		15.5		7.5
Foreign	3.0		1.7		1.3
	62.1		62.1		34.8
Deferred:
Federal and State	19.5		1.8		19.9
	$	81.6	$	63.9	$	54.7

Income (Loss) before Income Tax Provision

Income from continuing operations before income taxes consists of the following (in millions): 

	Year Ended December 31,
	2021		2020		2019
United States	$	304.5	$	237.6	$	199.7
Foreign	8.9		3.9		4.7
	$	313.4	$	241.5	$	204.4

Schedule of Deferred Tax Assets and Liabilities

The components of deferred tax (liabilities) assets are as follows (in millions):

	December 31,
	2021		2020
Intangibles	$	(127.5)	$	(145.4)
Depreciation expense	(11.4)		(14.3)
Operating lease right-of-use assets	(14.8)		(22.1)
Operating lease liabilities	15.6		23.3
Allowance for doubtful accounts	1.5		1.4
Employee-related accruals	20.5		14.8
Stock-based compensation	10.0		8.4
Payroll tax deferral	10.5		22.5
Other	6.6		2.9
	$	(89.0)	$	(108.5)

Schedule of Effective Income Tax Rate Reconciliation

The reconciliation between the amount computed by applying the U.S. federal statutory tax rate of 21 percent to income before income taxes and the income tax provision is as follows (in millions):

	Year Ended December 31,
	2021		2020		2019
Income tax provision at the statutory rate	$	65.8	$	50.7	$	42.9
State income taxes, net of federal benefit	15.2		12.7		10.6
Nondeductible executive compensation	3.3		1.3		1.4
Disallowed meals and entertainment expenses	0.2		0.5		1.3
Excess stock-based compensation benefit	(2.0)		(1.1)		(0.6)
Work opportunity tax credit	(3.1)		(2.0)		(2.5)
Other	2.2		1.8		1.6
	$	81.6	$	63.9	$	54.7