Income Taxes (Tables)

12 Months Ended

Dec. 31, 2024

Income Tax Disclosure [Abstract]

Components of Income Tax Expense (Benefit)

Components of income tax expense/(benefit) are as follows (amounts in thousands):

	Year Ended December 31,
	2024			2023			2022
Current
Federal	$	311,545		$	202,895		$	178,666
Foreign		10,962			6,505			14,740
State		45,780			29,677			33,423
		368,287			239,077			226,829
Deferred
Federal		(28,499	)		(19,716	)		(9,935	)
Foreign		(1,318	)		3,367			(1,509	)
State		(3,643	)		(1,609	)		(6,107	)
		(33,460	)		(17,958	)		(17,551	)
Total	$	334,827		$	221,119		$	209,278

Reconciliation Between Federal Statutory Rate and Effective Tax Rate

A reconciliation between the federal statutory rate and the effective tax rate is as follows:

	Year Ended December 31,
	2024			2023			2022
Federal statutory rate		21.0	%		21.0	%		21.0	%
State taxes, net of federal income tax benefit		2.3	%		2.4	%		2.4	%
Tax effects of foreign operations		-0.5	%		-0.7	%		-0.3	%
Tax benefit from settlement of employee equity awards		-0.8	%		0.4	%		0.1	%
Other items		0.7	%		0.4	%		0.5	%
Impact of income attributable to noncontrolling interests		-0.3	%		0.0	%		0.5	%
Effective tax rate		22.4	%		23.5	%		24.2	%

Components of Deferred Taxes

The components of deferred taxes are as follows (amounts in thousands):

		Year Ended December 31,
		2024							2023
		Assets				Liabilities			Assets				Liabilities
Self-insurance reserves	$		131,945		$			$		118,824		$
Compensation accruals			80,673							81,747
Doubtful accounts and other reserves			136,067							123,634
Other currently non-deductible accrued liabilities			19,492							19,926
Depreciable and amortizable assets							278,412							280,678
Operating lease liabilities			105,444							106,590
Right of use assets-operating leases							97,925							101,853
State and foreign net operating loss carryforwards and other state and foreign deferred tax assets			111,388							96,117
Net pension liabilities – OCI only			121							701
Other liabilities							7,654							6,715
	$		585,130		$		383,991	$		547,539		$		389,246
Valuation allowance			(82,690	)			0			(72,667	)			0
Total deferred income taxes	$		502,440		$		383,991	$		474,872		$		389,246

Reconciliation of Unrecognized Tax Benefits

The tabular reconciliation of unrecognized tax benefits for the years ended December 31, 2024, 2023 and 2022 is as follows (amounts in thousands):

	As of December 31,
	2024			2023			2022
Balance at January 1,	$	2,850		$	2,727		$	2,544
Additions based on tax positions related to the current year		500			500			500
Additions for tax positions of prior years		189			180			159
Reductions for tax positions of prior years		(677	)		(557	)		(461	)
Settlements		0			0			(15	)
Balance at December 31,	$	2,862		$	2,850		$	2,727