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Goodwill and Intangibles - Schedule of Carrying Amounts of Intangible Assets (Detail) - USD ($) $ in Thousands | 12 Months Ended
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Aug. 26, 2017 | Aug. 27, 2016
Finite Lived And Indefinite Lived Intangible Assets [Line Items] |  |
Finite Lived, Gross Carrying Amount | $ 61,546 | $ 61,546
Finite Lived, Accumulated Amortization | (35,947) | (27,465)
Finite Lived, Net Carrying Amount | 25,599 | 34,081
Total intangible assets other than goodwill, Net Carrying Amount | $ 52,499 | 60,981
Minimum [Member] |  |
Finite Lived And Indefinite Lived Intangible Assets [Line Items] |  |
Estimated Useful Life | 3 years |
Maximum [Member] |  |
Finite Lived And Indefinite Lived Intangible Assets [Line Items] |  |
Estimated Useful Life | 10 years |
Technology [Member] |  |
Finite Lived And Indefinite Lived Intangible Assets [Line Items] |  |
Finite Lived, Gross Carrying Amount | $ 10,570 | 10,570
Finite Lived, Accumulated Amortization | (9,994) | (7,988)
Finite Lived, Net Carrying Amount | $ 576 | $ 2,582
Technology [Member] | Minimum [Member] |  |
Finite Lived And Indefinite Lived Intangible Assets [Line Items] |  |
Estimated Useful Life | 3 years | 3 years
Technology [Member] | Maximum [Member] |  |
Finite Lived And Indefinite Lived Intangible Assets [Line Items] |  |
Estimated Useful Life | 5 years | 5 years
Noncompete Agreements [Member] |  |
Finite Lived And Indefinite Lived Intangible Assets [Line Items] |  |
Estimated Useful Life | 5 years | 5 years
Finite Lived, Gross Carrying Amount | $ 1,300 | $ 1,300
Finite Lived, Accumulated Amortization | (1,223) | (963)
Finite Lived, Net Carrying Amount | 77 | 337
Customer Relationships [Member] |  |
Finite Lived And Indefinite Lived Intangible Assets [Line Items] |  |
Finite Lived, Gross Carrying Amount | 49,676 | 49,676
Finite Lived, Accumulated Amortization | (24,730) | (18,514)
Finite Lived, Net Carrying Amount | $ 24,946 | $ 31,162
Customer Relationships [Member] | Minimum [Member] |  |
Finite Lived And Indefinite Lived Intangible Assets [Line Items] |  |
Estimated Useful Life | 3 years | 3 years
Customer Relationships [Member] | Maximum [Member] |  |
Finite Lived And Indefinite Lived Intangible Assets [Line Items] |  |
Estimated Useful Life | 10 years | 10 years
Trade Names [Member] |  |
Finite Lived And Indefinite Lived Intangible Assets [Line Items] |  |
Non-amortizing intangible asset - Trade name, Net Carrying Amount | $ 26,900 | $ 26,900

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- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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- Definition Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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- Definition Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16212-109274 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph ((a)(1),(b)) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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