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Income Taxes (Tables) | 12 Months Ended
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Dec. 30, 2017
Income Tax Disclosure [Abstract] |
Income tax expense (benefit) | Income tax expense consisted of the following (in thousands):
|  | 2017 |  | 2016 |  | 2015
Current: |  |  |  |  |  |
Federal |  | $ | 19,153 |  |  | $ | 21,634 |  |  | $ | 7,272 |
State |  | 4,046 |  |  | 5,289 |  |  | 3,870 |
|  | 23,199 |  |  | 26,923 |  |  | 11,142 |
Deferred: |  |  |  |  |  |  |  |  |
Federal |  | 2,734 |  |  | (105 | ) |  | 13,567 |
State |  | 28 |  |  | (2,302 | ) |  | 202 |
|  | 2,762 |  |  | (2,407 | ) |  | 13,769 |
Income tax expense |  | $ | 25,961 |  |  | $ | 24,516 |  |  | $ | 24,911 |
Reconciliation of income tax expense (benefit) at the statutory federal rate | The following table provides a reconciliation between the statutory federal income tax rate and our effective income tax rate:
|  | 2017 |  | 2016 |  | 2015
Statutory federal income tax |  | 35.0 | % |  | 35.0 | % |  | 35.0 | %
State income taxes, net of federal benefit |  | 2.5 |  |  | 2.6 |  |  | 3.0 |
Manufacturing deduction |  | (3.5 | ) |  | (3.3 | ) |  | (1.7 | )
Effect of 2018 deferred tax rate change |  | (1.9 | ) |  | — |  |  | — |
Changes in unrecognized tax benefits |  | (0.6 | ) |  | 1.2 |  |  | 0.3 |
Non-taxable acquisition-related transactions |  | — |  |  | — |  |  | (2.6 | )
Other |  | (3.0 | ) |  | (3.2 | ) |  | (1.0 | )
Effective income tax rate |  | 28.5 | % |  | 32.3 | % |  | 33.0 | %
Deferred income taxes | The tax effects of temporary differences that give rise to deferred income taxes were as follows (in thousands):
|  | 2017 |  | 2016
Deferred tax assets: |  |  |  |
Stock-based compensation |  | $ | 6,940 |  |  | $ | 9,834 |
Deferred rent and lease incentives |  | 6,007 |  |  | 8,388 |
Warranty and returns liabilities |  | 6,602 |  |  | 7,948 |
Net operating loss carryforwards and credits |  | 3,240 |  |  | 6,368 |
Compensation and benefits |  | 3,315 |  |  | 4,115 |
Other |  | 3,321 |  |  | 5,264 |
Total gross deferred tax assets |  | 29,425 |  |  | 41,917 |
Valuation allowance |  | (615 | ) |  | (620 | )
Total deferred tax assets after valuation allowance |  | 28,810 |  |  | 41,297 |
Deferred tax liabilities: |  |  |  |
Property and equipment |  | 21,475 |  |  | 27,049 |
Deferred revenue |  | 723 |  |  | 3,279 |
Other |  | 3,987 |  |  | 6,302 |
Total gross deferred tax liabilities |  | 26,185 |  |  | 36,630 |
Net deferred tax assets |  | $ | 2,625 |  |  | $ | 4,667 |
Summary of Income Tax Contingencies [Table Text Block] | Reconciliations of the beginning and ending amounts of unrecognized tax benefits for 2017, 2016 and 2015 were as follows (in thousands):
|  | Federal and State Tax
|  | 2017 |  | 2016 |  | 2015
Beginning balance |  | $ | 3,460 |  |  | $ | 2,077 |  |  | $ | 742 |
Increases related to current-year tax positions |  | 330 |  |  | 326 |  |  | 1,277 |
Increases related to prior-year tax positions |  | 87 |  |  | 1,594 |  |  | 113 |
Decreases related to prior-year tax positions |  | (1,038 | ) |  | — |  |  | — |
Lapse of statute of limitations |  | — |  |  | (333 | ) |  | (55 | )
Settlements with taxing authorities |  | — |  |  | (204 | ) |  | — |
Ending balance |  | $ | 2,839 |  |  | $ | 3,460 |  |  | $ | 2,077 |

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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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