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Income Taxes (Tables) | 12 Months Ended
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Dec. 30, 2017
Schedule of Provisions for Income Taxes | The provisions for income taxes consisted of the following (in thousands):
|  | Fiscal Years |
|  | 2017 |  |  | 2016 |  |  | 2015 |
Current: |  |  |  |  |  |  |  |  |  |  |  |
Federal |  | $ | 72,025 |  |  | $ | 68,548 |  |  | $ | 74,289 |
State |  |  | 8,312 |  |  |  | 6,668 |  |  |  | 9,550 |
Foreign |  |  | 500 |  |  |  | 563 |  |  |  | 437 |
Total current |  | $ | 80,837 |  |  | $ | 75,779 |  |  | $ | 84,276 |
Deferred: |  |  |  |  |  |  |  |  |  |  |  |
Federal |  | $ | (17,110 | ) |  | $ | 6,104 |  |  | $ | 6,524 |
State |  |  | 79 |  |  |  | 224 |  |  |  | 268 |
Total deferred |  | $ | (17,031 | ) |  | $ | 6,328 |  |  | $ | 6,792 |
Income taxes |  | $ | 63,806 |  |  | $ | 82,107 |  |  | $ | 91,068 |
Schedule of Deferred Tax Assets and Liabilities | Temporary differences and carryforwards which gave rise to deferred tax assets and liabilities consisted of the following (in thousands):
|  | Dec. 30, 2017 |  |  | Dec. 31, 2016 |
Deferred tax assets: |  |  |  |  |  |  |  |
Receivable valuations |  | $ | 3,244 |  |  | $ | 4,518 |
Share-based payments |  |  | 2,182 |  |  |  | 1,185 |
Self-insured claims |  |  | 4,688 |  |  |  | 6,270 |
Other |  |  | 3,666 |  |  |  | 4,336 |
Total deferred tax assets |  | $ | 13,780 |  |  | $ | 16,309 |
Deferred tax liabilities: |  |  |  |  |  |  |  |
Operating property |  | $ | 43,105 |  |  | $ | 59,720 |
Goodwill |  |  | 3,773 |  |  |  | 5,883 |
Other |  |  | 2,016 |  |  |  | 2,851 |
Total deferred tax liabilities |  | $ | 48,894 |  |  | $ | 68,454 |
Net deferred tax liability |  | $ | 35,114 |  |  | $ | 52,145 |
Schedule of Income Taxes Calculated on Income from Continuing Operations Before Income Taxes and Provision for Income Taxes | The following table summarizes the differences between income taxes calculated at the federal income tax rate of 35% on income before income taxes and the provisions for income taxes (in thousands):
|  | Fiscal Years |
|  | 2017 |  |  | 2016 |  |  | 2015 |
Income taxes at federal income tax rate |  | $ | 84,281 |  |  | $ | 76,810 |  |  | $ | 83,565 |
State income taxes, net of federal income tax benefit |  |  | 5,417 |  |  |  | 4,505 |  |  |  | 7,201 |
Meals and entertainment exclusion |  |  | 1,021 |  |  |  | 958 |  |  |  | 946 |
Share-based payments |  |  | (1,549 | ) |  |  | (239 | ) |  |  | (61 | )
Section 199 deductions and R&D credits |  |  | (5,546 | ) |  |  | (250 | ) |  |  | — |
Tax Reform Act |  |  | (19,530 | ) |  |  | — |  |  |  | — |
Other, net |  |  | (288 | ) |  |  | 323 |  |  |  | (583 | )
Income taxes |  | $ | 63,806 |  |  | $ | 82,107 |  |  | $ | 91,068 |
Schedule for Gross Unrecognized Tax Benefits | The following table summarizes the rollforward of the total amounts of gross unrecognized tax benefits for fiscal years 2017 and 2016 (in thousands):
|  | Fiscal Years |
|  | 2017 |  |  | 2016 |
Gross unrecognized tax benefits – beginning of the year |  | $ | 2,635 |  |  | $ | 2,704 |
Gross increases related to current year tax positions |  |  | 645 |  |  |  | 428 |
Gross increases related to prior year tax positions |  |  | 2,189 |  |  |  | 596 |
Gross decreases related to prior year tax positions |  |  | (75 | ) |  |  | (399 | )
Settlements |  |  | (100 | ) |  |  | (133 | )
Lapse of statute of limitations |  |  | (482 | ) |  |  | (561 | )
Gross unrecognized tax benefits – end of the year |  | $ | 4,812 |  |  | $ | 2,635 |

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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=84230637&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=84230637&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=84230637&loc=d3e32687-109319 + Details
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- Definition Tabular disclosure for 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 and other income tax contingencies. Includes, but is not limited to, interest and penalties, reconciliation of unrecognized tax benefits, unrecognized tax benefits that would affect the effective tax rate, tax years that remain subject to examination by tax jurisdictions, and information about positions for which it is reasonably possible that amounts unrecognized will significantly change within 12 months. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15A -URI http://asc.fasb.org/extlink&oid=84230637&loc=SL6600010-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32718-109319 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 19 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32840-109319 + Details
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