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Summary of Significant Accounting Policies (Details) $ / shares in Units, $ in Thousands |  | 12 Months Ended
--- | --- | ---
Sep. 26, 2018 USD ($) $ / shares | Aug. 25, 2018 USD ($) reportable_segments $ / shares | Aug. 26, 2017 USD ($) $ / shares | Aug. 27, 2016 USD ($) $ / shares
New Accounting Pronouncements and Subsequent Events [Line Items] |  |  |  |
Reclassification to retained earnings |  | $ 0 |  |
Excess tax benefits |  | $ 500 |  |
Excess tax benefit, percent |  | 0.40% |  |
Excess tax benefit effect on earnings per share | $ / shares |  | $ 0.02 |  |
Dividends paid per common share | $ / shares |  | $ 0.40 | $ 0.40 | $ 0.40
Dividends, Common Stock, Cash |  | $ 12,738 | $ 12,738 | $ 10,891
Number of Reportable Segments | reportable_segments |  | 2 |  |
Insurance policy limit |  | $ 50,000 |  |
Self insurance reserve for product liability, per occurance |  | 2,500 |  |
Self insurance reserve for product liability, aggregate per policy year |  | 6,000 |  |
Advertising expense |  | 7,400 | 5,700 | $ 4,900
Subsequent Event [Member] |  |  |  |
New Accounting Pronouncements and Subsequent Events [Line Items] |  |  |  |
Dividends paid per common share | $ / shares | $ 0.10 |  |  |
Dividends, Common Stock, Cash | $ 3,200 |  |  |
Accumulated Other Comprehensive Income [Member] |  |  |  |
New Accounting Pronouncements and Subsequent Events [Line Items] |  |  |  |
Reclassification to retained earnings |  | $ (59) | $ 0 |

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- Definition Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 720 -SubTopic 35 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6420018&loc=d3e36677-107848 + Details
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