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Acquisitions - Schedule of Acquisition of Business (Details)
$ in Thousands
12 Months Ended
Aug. 25, 2018
USD ($)
business
Aug. 26, 2017
USD ($)
business
Aug. 27, 2016
USD ($)
business
Business Combinations [Abstract]      
Number of businesses acquired | business 9 6 6
Tangible assets acquired $ 7,743 $ 26,174 $ 3,572
Intangible assets and goodwill acquired 34,110 101,530 14,239
Liabilities assumed (95) (2,156) (80)
Acquisition of businesses $ 41,758 $ 125,548 $ 17,731