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Acquisitions - Schedule of Acquisition of Business (Details) $ in Thousands | 12 Months Ended
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Aug. 31, 2019 USD ($) Business | Aug. 25, 2018 USD ($) Business | Aug. 26, 2017 USD ($) Business
Business Combinations [Abstract] |  |  |
Number of businesses acquired | Business | 6 | 9 | 6
Tangible assets acquired | $ 322 | $ 7,743 | $ 26,174
Intangible assets and goodwill acquired | 5,391 | 34,110 | 101,530
Liabilities assumed |  | (95) | (2,156)
Acquisition of businesses | $ 5,713 | $ 41,758 | $ 125,548

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