Income Taxes (Tables)

12 Months Ended

Dec. 31, 2022

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,
	2022			2021			2020
Current
Federal	$	178,666		$	276,471		$	268,974
Foreign		14,740			13,754			13,978
State		33,423			44,993			43,333
		226,829			335,218			326,285
Deferred
Federal		(9,935	)		(26,638	)		(20,382	)
Foreign		(1,509	)		1,521			(2,496	)
State		(6,107	)		(4,420	)		(4,114	)
		(17,551	)		(29,537	)		(26,992	)
Total	$	209,278		$	305,681		$	299,293

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,
	2022			2021			2020
Federal statutory rate		21.0	%		21.0	%		21.0	%
State taxes, net of federal income tax benefit		2.4	%		2.5	%		2.5	%
Tax effects of foreign operations		-0.3	%		-0.1	%		-0.3	%
Tax benefit from settlement of employee equity awards		0.1	%		-0.2	%		0.5	%
Other items		0.5	%		0.3	%		0.4	%
Impact of income attributable to noncontrolling interests		0.5	%		0.1	%		-0.2	%
Effective tax rate		24.2	%		23.6	%		23.9	%

Components of Deferred Taxes

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

		Year Ended December 31,
		2022							2021
		Assets				Liabilities			Assets				Liabilities
Self-insurance reserves	$		103,528		$			$		97,024		$
Compensation accruals			77,269							77,917
Doubtful accounts and other reserves			141,511							127,876
Other currently non-deductible accrued liabilities			12,520							31,240
Depreciable and amortizable assets							281,203							303,079
Operating lease liabilities			108,704							86,652
Right of use assets-operating leases							106,675							86,269
State and foreign net operating loss carryforwards and other state and foreign deferred tax assets			80,823							79,499
Net pension liabilities – OCI only			1,702							1,014
Other liabilities							6,457							3,811
	$		526,057		$		394,335	$		501,222		$		393,159
Valuation Allowance			(63,325	)			0			(62,356	)			0
Total deferred income taxes	$		462,732		$		394,335	$		438,866		$		393,159

Reconciliation of Unrecognized Tax Benefits

The tabular reconciliation of unrecognized tax benefits for the years ended December 31, 2022, 2021 and 2020 is as follows (amounts in thousands):

	As of December 31,
	2022			2021			2020
Balance at January 1,	$	2,544		$	2,806		$	2,164
Additions based on tax positions related to the current year		500			500			500
Additions for tax positions of prior years		159			213			142
Reductions for tax positions of prior years		(461	)		(261	)		0
Settlements		(15	)		(714	)		0
Balance at December 31,	$	2,727		$	2,544		$	2,806