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Income Taxes (Tables)

12 Months Ended

Dec. 31, 2023

Income Taxes [Abstract]

Schedule Of Provision For Income Taxes

		For the Years Ended December 31,
		2023			2022			2021
Current
U.S. federal	$	75,333		$	52,910		$	64,620
U.S. state and local		9,983			11,813			14,233
Foreign		569			505			511
Deferred
U.S. federal, state and local		(8,029)			14,821			2,358
Foreign		2			6			42
Total	$	77,858		$	80,055		$	81,764

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

			December 31,
			2023			2022
	Accrued liabilities	$	39,436		$	38,620
	Lease liabilities		34,028			39,057
	Stock compensation expense		9,023			9,102
	Implicit price concessions		7,294			7,572
	State net operating loss carryforwards		1,652			1,443
	Other		1,259			1,330
	Deferred income tax assets		92,692			97,124
	Amortization of intangible assets		(40,747)			(43,205)
	Accelerated tax depreciation		(32,411)			(36,519)
	Right of use lease assets		(30,891)			(35,514)
	Deposit with OAS		(11,413)			(12,769)
	Currents assets		(4,272)			(5,064)
	State income taxes		(2,552)			(2,634)
	Market valuation of investments		(600)			102
	Other		(127)			(134)
	Deferred income tax liabilities		(123,013)			(135,737)
	Net deferred income tax liabilities	$	(30,321)		$	(38,613)

Schedule Of Significant Changes To Unrecognized Tax Benefits

		2023			2022			2021
Balance at January 1,	$	1,313		$	1,379		$	1,304
Decrease due to expiration of statute of limitations		(355)			(422)			(258)
Unrecognized tax benefits due to positions taken in current year		263			356			333
Balance at December 31,	$	1,221		$	1,313		$	1,379

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,
		2023			2022			2021
Income tax provision calculated using the statutory rate of 21%	$	73,577		$	69,233		$	73,566
State and local income taxes, less federal income tax effect		2,306			10,207			10,025
Nondeductible expenses		6,600			6,958			7,443
Excess stock compensation tax benefits		(4,330)			(5,928)			(9,884)
Other--net		(295)			(415)			614
Income tax provision	$	77,858		$	80,055		$	81,764
Effective tax rate		22.2	%		24.3	%		23.3	%

Schedule Of Income Taxes Paid

2023	$	73,876
2022		65,894
2021		99,430

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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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