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Income Taxes (Tables)

12 Months Ended

Dec. 31, 2014

Earnings before income taxes were derived from the following sources:



	2014		2013	2012
Domestic	$	757,896	697,062	649,098
Foreign	29,538		16,406	25,057
	$	787,434	713,468	674,155

Components Of Income Tax Expense (Benefit)

Components of income tax expense (benefit) are as follows:



2014 :	Current		Deferred		Total
Federal	$	250,527	1,919		252,446
State	30,768		256		31,024
Foreign	10,518		(704	)	9,814
	$	291,813	1,471		293,284



2013 :	Current		Deferred		Total
Federal	$	220,588	8,547		229,135
State	29,073		527		29,600
Foreign	7,487		(1,390	)	6,097
	$	257,148	7,684		264,832



2012 :	Current		Deferred		Total
Federal	$	202,095	14,742		216,837
State	27,586		981		28,567
Foreign	8,476		(261	)	8,215
	$	238,157	15,462		253,619

Difference In Income Tax Expense And Expected Expense

Income tax expense in the accompanying consolidated financial statements differs from the expected expense as follows:



	2014			2013		2012
Federal income tax expense at the ‘expected’ rate of 35%	$	275,602		249,714		235,954
Increase (decrease) attributed to:
State income taxes, net of federal benefit	20,549			16,683		20,449
Other, net	(2,867		)	(1,565	)	(2,784	)
Total income tax expense	$	293,284		264,832		253,619
Effective income tax rate	37.2		%	37.1	%	37.6	%

Summary Of Temporary Differences That Give Rise To Deferred Income Tax Assets And Liabilities

The tax effects of temporary differences that give rise to deferred income tax assets and liabilities at year end are as follows:



	2014			2013
Deferred income tax assets (liabilities):
Inventory costing and valuation methods	$	4,311		3,834
Allowance for doubtful accounts receivable	4,873			3,586
Insurance claims payable	10,404			10,594
Promotions payable	1,586			1,240
Stock-based compensation	7,837			5,974
Federal and state benefit of uncertain tax positions	1,327			1,158
Foreign net operating loss and credit carryforwards	5,768			5,089
Foreign valuation allowances	(3,007		)	(2,819	)
Other, net	592			932
Total deferred income tax assets	33,691			29,588
Property and equipment	(80,458		)	(74,595	)
Total deferred income tax liabilities	(80,458		)	(74,595	)
Net deferred income tax liabilities	$	(46,767	)	(45,007	)

Reconciliation Of The Beginning And Ending Amount Of Total Gross Unrecognized Tax Benefits

A reconciliation of the beginning and ending amount of total gross unrecognized tax benefits is as follows:



	2014			2013
Balance at start of year:	$	3,282		5,331
Increase related to prior year tax positions	185			37
Decrease related to prior year tax positions	(113		)	(1,695	)
Increase related to current year tax positions	924			1,058
Decrease related to statute of limitation lapses	(506		)	—
Settlements	—			(1,449	)
Balance at end of year:	$	3,772		3,282

- Definition

Tabular disclosure of tax positions taken in the tax returns filed or to be filed for which it is more likely than not that the tax position will not be sustained upon examination by taxing authorities (i.e., uncertain tax positions) and other types of income tax contingencies, including: (1) the policy on classification of interest and penalties; (2) a tabular reconciliation of the total amounts of unrecognized tax benefits at the beginning and end of the period; the total amount(s) of: (3) unrecognized tax benefits that, if recognized, would affect the effective tax rate, and (4) interest and penalties recognized in each of the income statement and balance sheet; (5) for positions for which it is reasonably possible that the total amounts unrecognized will significantly change within 12 months of the reporting date the: (i) nature of the uncertainty, (ii) nature of the event that could occur that would cause the change, and (iii) an estimate of the range of the reasonably possible change or a statement that an estimate of the range cannot be made; and (6) a description of tax years that remain subject to examination by major tax jurisdictions.

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