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Income Taxes (Tables) | 12 Months Ended
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Dec. 31, 2014
Income Tax Disclosure [Abstract] |
Earnings Before Income Taxes | 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 |

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- Definition Tabular disclosure of the components of income tax expense attributable to continuing operations for each year presented including, but not limited to: current tax expense (benefit), deferred tax expense (benefit), investment tax credits, government grants, the benefits of operating loss carryforwards, tax expense that results from allocating certain tax benefits either directly to contributed capital or to reduce goodwill or other noncurrent intangible assets of an acquired entity, adjustments of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity, and adjustments of the beginning-of-the-year balances of a valuation allowance because of a change in circumstances that causes a change in judgment about the realizability of the related deferred tax asset in future years. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32639-109319 + Details
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- Definition Tabular disclosure of the components of net deferred tax asset or liability recognized in an entity's statement of financial position, including the following: the total of all deferred tax liabilities, the total of all deferred tax assets, the total valuation allowance recognized for deferred tax assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32537-109319 + Details
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- Definition Tabular disclosure of the reconciliation using percentage or dollar amounts of the reported amount of income tax expense attributable to continuing operations for the year to the amount of income tax expense that would result from applying domestic federal statutory tax rates to pretax income from continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32687-109319 + Details
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- Definition Tabular disclosure of income before income tax between domestic and foreign jurisdictions. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(h)(1)(i)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
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- 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. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32718-109319 + Details
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