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Income Taxes (Tables)

12 Months Ended

Dec. 31, 2022

Income Taxes [Abstract]

Schedule Of Provision For Income Taxes

		For the Years Ended December 31,
		2022			2021			2020
Current
U.S. federal	$	52,910		$	64,620		$	58,602
U.S. state and local		11,813			14,233			15,950
Foreign		505			511			539
Deferred
U.S. federal, state and local		14,821			2,358			1,456
Foreign		6			42			(23)
Total	$	80,055		$	81,764		$	76,524

Schedule Of Temporary Differences That Give Rise To Deferred Tax Assets (Liabilities)

			December 31,
			2022			2021
	Lease liabilities	$	39,057		$	35,936
	Accrued liabilities		38,620			42,840
	Stock compensation expense		9,102			6,976
	Implicit price concessions		7,572			7,744
	State net operating loss carryforwards		1,443			1,920
	Other		1,330			920
	Deferred income tax assets		97,124			96,336
	Amortization of intangible assets		(43,205)			(41,925)
	Accelerated tax depreciation		(36,519)			(35,416)
	Right of use lease assets		(35,514)			(32,489)
	Deposit with OAS		(12,769)			-
	Currents assets		(5,064)			(3,858)
	State income taxes		(2,634)			(2,504)
	Market valuation of investments		102			(3,189)
	Other		(134)			(138)
	Deferred income tax liabilities		(135,737)			(119,519)
	Net deferred income tax liabilities	$	(38,613)		$	(23,183)

Schedule Of Significant Changes To Unrecognized Tax Benefits

		2022			2021			2020
Balance at January 1,	$	1,379		$	1,304		$	1,323
Decrease due to expiration of statute of limitations		(422)			(258)			(219)
Unrecognized tax benefits due to positions taken in current year		356			333			200
Balance at December 31,	$	1,313		$	1,379		$	1,304

Schedule Of Difference Between Actual Income Tax Provision For Continuing Operations And Income Tax Provision Calculated At Statutory U.S. Federal Tax Rate

		For the Years Ended December 31,
		2022			2021			2020
Income tax provision calculated using the statutory rate of 21%	$	69,233		$	73,566		$	83,158
State and local income taxes, less federal income tax effect		10,207			10,025			13,855
Nondeductible expenses		6,958			7,443			5,377
Excess stock compensation tax benefits		(5,928)			(9,884)			(26,089)
Other--net		(415)			614			223
Income tax provision	$	80,055		$	81,764		$	76,524
Effective tax rate		24.3	%		23.3	%		19.3	%

Schedule Of Income Taxes Paid

2022	$	65,894
2021		99,430
2020		61,517

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Tabular disclosure of the components of income tax expense attributable to continuing operations for each year presented including, but not limited to: current tax expense (benefit), deferred tax expense (benefit), investment tax credits, government grants, the benefits of operating loss carryforwards, tax expense that results from allocating certain tax benefits either directly to contributed capital or to reduce goodwill or other noncurrent intangible assets of an acquired entity, adjustments of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity, and adjustments of the beginning-of-the-year balances of a valuation allowance because of a change in circumstances that causes a change in judgment about the realizability of the related deferred tax asset in future years.

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Tabular disclosure of the components of net deferred tax asset or liability recognized in an entity's statement of financial position, including the following: the total of all deferred tax liabilities, the total of all deferred tax assets, the total valuation allowance recognized for deferred tax assets.

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Tabular disclosure of the reconciliation using percentage or dollar amounts of the reported amount of income tax expense attributable to continuing operations for the year to the amount of income tax expense that would result from applying domestic federal statutory tax rates to pretax income from continuing operations.

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Tabular disclosure of the change in unrecognized tax benefits, excluding amounts pertaining to examined tax returns.

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