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Income Taxes (Tables) | 12 Months Ended
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Aug. 31, 2019
Income Tax Disclosure [Abstract] |
Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] | Income tax expense consisted of the following:
(in thousands) | 2019 |  | 2018 |  | 2017
Current |  |  |  |  |
Federal | $ | 16,433 |  |  | $ | 28,874 |  |  | $ | 33,125 |
State | 3,138 |  |  | 5,215 |  |  | 2,937 |
Total | 19,571 |  |  | 34,089 |  |  | 36,062 |
Deferred |  |  |  |  |
Federal | 6,395 |  |  | 5,123 |  |  | 926 |
State | 1,145 |  |  | 1,071 |  |  | 281 |
Total | 7,540 |  |  | 6,194 |  |  | 1,207 |
Provision for income taxes | $ | 27,111 |  |  | $ | 40,283 |  |  | $ | 37,269 |
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] | The following table provides a reconciliation of the U.S. statutory income tax rate to our effective income tax rate:
| 2019 |  | 2018 |  | 2017
U.S. federal statutory rate(1) | 21.0 | % |  | 25.9 | % |  | 35.0 | %
State taxes, net of federal benefit | 2.9 | % |  | 3.0 | % |  | 2.8 | %
Impact from Tax Act | — | % |  | 2.6 | % |  | — | %
Domestic production activities deduction | — | % |  | (2.2 | )% |  | (2.4 | )%
Income tax credits | (4.5 | )% |  | (0.5 | )% |  | (0.6 | )%
Tax-free and dividend income | (0.5 | )% |  | (0.4 | )% |  | (0.7 | )%
Uncertain tax position settlements and adjustments | 0.9 | % |  | 0.1 | % |  | (0.6 | )%
Other items | (0.3 | )% |  | (0.3 | )% |  | 0.8 | %
Effective tax provision rate | 19.5 | % |  | 28.2 | % |  | 34.3 | %
(1) | The U.S. federal statutory rate for Fiscal 2018 is a blended rate, which includes the impact of the Tax Act enactment.
Schedule of Deferred Tax Assets and Liabilities [Table Text Block] | The tax effects of temporary differences that give rise to deferred income taxes were as follows:
(in thousands) | August 31, 2019 |  | August 25, 2018
Warranty reserves | $ | 10,949 |  |  | $ | 9,842 |
Deferred compensation | 3,989 |  |  | 4,730 |
Self-insurance reserve | 2,617 |  |  | 2,601 |
Stock-based compensation | 2,558 |  |  | 1,277 |
Accrued vacation | 1,227 |  |  | 1,298 |
Unrecognized tax benefit | 444 |  |  | 584 |
Inventory | — |  |  | 615 |
Other(1) | 3,337 |  |  | 1,797 |
Total deferred tax assets | 25,121 |  |  | 22,744 |
Intangibles | 28,055 |  |  | 21,292 |
Depreciation | 8,192 |  |  | 5,909 |
Inventory | 906 |  |  | — |
Total deferred tax liabilities | 37,153 |  |  | 27,201 |
Total deferred income tax liabilities, net | $ | 12,032 |  |  | $ | 4,457 |
(1) | At August 31, 2019, other includes $0.6 million and $0.4 million related to federal and state net operating losses, respectively. At August 25, 2018, other includes $1.4 million and $0.1 million related to federal and state net operating losses, respectively. These net operating losses do not expire. We have evaluated all the positive and negative evidence and consider it more likely than not that these carryforwards can be realized.
Summary of Income Tax Contingencies [Table Text Block] | Changes in the unrecognized tax benefits are as follows:
(in thousands) | 2019 |  | 2018 |  | 2017
Balance at beginning of year | $ | 1,220 |  |  | $ | 1,195 |  |  | $ | 1,710 |
Gross increases (decreases)-tax positions in a prior year | 1,173 |  |  | 25 |  |  | (536 | )
Gross increases-current year tax positions | 429 |  |  | — |  |  | 21 |
Balance at end of year | 2,822 |  |  | 1,220 |  |  | 1,195 |
Accrued interest and penalties | 769 |  |  | 525 |  |  | 411 |
Total unrecognized tax benefits | $ | 3,591 |  |  | $ | 1,745 |  |  | $ | 1,606 |

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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://fasb.org/us-gaap/role/ref/legacyRef -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://fasb.org/us-gaap/role/ref/legacyRef -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 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://fasb.org/us-gaap/role/ref/legacyRef -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://fasb.org/us-gaap/role/ref/legacyRef -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://fasb.org/us-gaap/role/ref/legacyRef -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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