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Fair Value Measurements - Schedule of Assets or Liabilities Measured Fair Value on a Recurring Basis (Details) - Fair Value, Measurements, Recurring - USD ($) $ in Thousands | Aug. 26, 2017 | Aug. 27, 2016
--- | --- | ---
Assets: |  |
Cash equivalents | $ 81,253 | $ 172,760
Pension plan assets | 5,097 | 4,753
Foreign currency forward contracts |  | 188
Total assets at fair value | 86,350 | 177,701
Liabilities: |  |
Foreign currency forward contracts | 177 |
Total liabilities at fair value | 177 |
Level 1 |  |
Assets: |  |
Cash equivalents | 81,253 | 172,760
Pension plan assets | 0 | 0
Foreign currency forward contracts |  | 0
Total assets at fair value | 81,253 | 172,760
Liabilities: |  |
Foreign currency forward contracts | 0 |
Total liabilities at fair value | 0 |
Level 2 |  |
Assets: |  |
Cash equivalents | 0 | 0
Pension plan assets | 5,097 | 4,753
Foreign currency forward contracts |  | 188
Total assets at fair value | 5,097 | 4,941
Liabilities: |  |
Foreign currency forward contracts | 177 |
Total liabilities at fair value | 177 |
Level 3 |  |
Assets: |  |
Cash equivalents | 0 | 0
Pension plan assets | 0 | 0
Foreign currency forward contracts |  | 0
Total assets at fair value | 0 | $ 0
Liabilities: |  |
Foreign currency forward contracts | 0 |
Total liabilities at fair value | $ 0 |

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- Definition Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 + Details
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- Definition Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. + References No definition available. + Details
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- Definition Fair value of assets that have been segregated and restricted to provide pension or postretirement benefits. Assets include, but are not limited to, stocks, bonds, other investments, earnings from investments, and contributions by the employer and employees. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920 + Details
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- Definition Fair value portion of liability contracts related to the exchange of different currencies, including, but not limited to, foreign currency options, forward (delivery or nondelivery) contracts, and swaps entered into. + References No definition available. + Details
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- Definition Fair value of financial and nonfinancial obligations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 + Details
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