Income Taxes (Tables)

12 Months Ended

Dec. 31, 2021

Components Of Income Tax Expense Benefit Continuing Operations [Abstract]

Provision For Income Taxes/(Benefit)

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

	Year Ended December 31,
	2021		2020			2019
Current taxes:
Federal	$	167,258	$	143,859		$	123,802
State		39,911		42,705			30,464
Foreign		2,950		(236	)		1,684
		210,119		186,328			155,950
Deferred taxes:
Federal		19,747		(31,019	)		(7,027	)
State		5,640		(5,803	)		4,266
Foreign		6,717		(1,818	)		(4,037	)
		32,104		(38,640	)		(6,798	)
Provision for income taxes	$	242,223	$	147,688		$	149,152

Reconciliation Of The Statutory Federal Income Tax With The Company's Effective Tax Rate

Reconciliation of the statutory federal income tax rate with our company’s effective income tax rate is as follows (in thousands):

	Year Ended December 31,
	2021			2020			2019
Statutory rate	$	224,087		$	136,744		$	125,485
State income taxes, net of federal income tax		37,169			27,934			28,333
Change in uncertain tax position		841			666			2,661
Foreign tax rate difference		125			(2,032	)		(629	)
Excess tax benefit from stock-based compensation		(32,004	)		(21,605	)		(9,670	)
Non-deductible business expenses		9,732			7,957			8,390
Other, net		2,273			(1,976	)		(5,418	)
	$	242,223		$	147,688		$	149,152

Deferred Tax Assets And Liabilities

Tax effect of temporary differences and carryforwards that comprise significant portions of deferred tax assets and liabilities (in thousands):

	December 31,
	2021			2020
Deferred tax assets:
Lease liabilities	$	187,576		$	211,524
Deferred compensation		79,081			79,068
Accrued expenses		46,539			73,835
Receivable reserves		38,432			41,963
Net operating loss carryforwards		24,837			32,727
Depreciation		1,302			—
Other		4,155			3,311
Total deferred tax assets		381,922			442,428
Valuation allowance		(14,515	)		(11,740	)
		367,407			430,688
Deferred tax liabilities:
Lease ROU asset		(186,168	)		(210,670	)
Goodwill and other intangibles		(54,887	)		(51,189	)
Unrealized gain on investments		(7,841	)		(11,585	)
Prepaid expenses		(7,228	)		(5,396	)
Depreciation		—			(15,371	)
		(256,124	)		(294,211	)
Net deferred tax asset	$	111,283		$	136,477

Unrecognized Tax Benefits

The following table summarizes the activity related to our company’s unrecognized tax benefits from January 1, 2019 to December 31, 2021 (in thousands):

	Year Ended December 31,
	2021			2020			2019
Beginning balance	$	3,962		$	3,387		$	312
Increase related to prior year tax positions		2,719			977			2,173
Decrease related to prior year tax positions		(119	)		(11	)		(54	)
Increase related to current year tax positions		745			790			956
Decrease related to settlements with taxing authorities		(2,370	)		(1,181	)		—
Decrease related to lapsing of statute of limitations		(13	)		—			—
Ending balance	$	4,924		$	3,962		$	3,387