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Income Taxes (Tables)
12 Months Ended
Dec. 31, 2013
Income Tax Disclosure [Abstract]  
Earnings Before Income Taxes
Earnings before income taxes were derived from the following sources:
 
 
2013
 
2012
 
2011
Domestic
$
697,062

 
649,098

 
545,527

Foreign
16,406

 
25,057

 
29,554

 
$
713,468

 
674,155

 
575,081

Components Of Income Tax Expense (Benefit)
Components of income tax expense (benefit) are as follows:
 
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

 
2011 :
Current
 
Deferred
 
Total
Federal
$
164,125

 
17,343

 
181,468

State
28,669

 
(244
)
 
28,425

Foreign
8,683

 
(1,424
)
 
7,259

 
$
201,477

 
15,675

 
217,152

Difference In Income Tax Expense And Expected Expense
Income tax expense in the accompanying consolidated financial statements differs from the expected expense as follows:

 
2013
 
2012
 
2011
Federal income tax expense at the ‘expected’ rate of 35%
$
249,714

 
235,954

 
201,278

Increase (decrease) attributed to:
 
 
 
 
 
State income taxes, net of federal benefit
17,150

 
19,565

 
18,210

State tax matters
(467
)
 
884

 
737

Other, net
(1,565
)
 
(2,784
)
 
(3,073
)
Total income tax expense
$
264,832

 
253,619

 
217,152

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:
 
 
2013
 
2012
Deferred income tax assets (liabilities):
 
 
 
Inventory costing and valuation methods
$
3,834

 
4,045

Allowance for doubtful accounts receivable
3,586

 
2,618

Insurance claims payable
10,594

 
7,825

Promotions payable
1,240

 
945

Accrued legal reserves
309

 
207

Stock-based compensation
5,974

 
4,715

Federal and state benefit of uncertain tax positions
1,158

 
1,871

Foreign net operating loss and credit carryforwards
5,089

 
3,309

Foreign valuation allowances
(2,819
)
 
(2,090
)
Other, net
(1,482
)
 
(952
)
Total deferred income tax assets
27,483

 
22,493

Property and equipment
(72,490
)
 
(59,371
)
Total deferred income tax liabilities
(72,490
)
 
(59,371
)
Net deferred income tax assets (liabilities)
$
(45,007
)
 
(36,878
)
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:
 
2013
 
2012
Balance at start of year:
$
5,331

 
4,653

Increase related to prior year tax positions
37

 
172

Decrease related to prior year tax positions
(1,695
)
 
(1,025
)
Increase related to current year tax positions
1,058

 
2,170

Decrease related to statute of limitation lapses

 

Settlements
(1,449
)
 
(639
)
Balance at end of year:
$
3,282

 
5,331