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Acquisitions - Schedule of Acquisition of Business (Details)
$ in Thousands
12 Months Ended
Aug. 26, 2017
USD ($)
business
Aug. 27, 2016
USD ($)
business
Aug. 29, 2015
USD ($)
business
Business Combinations [Abstract]      
Number of businesses acquired | business 6 6 7
Tangible assets acquired $ 26,174 $ 3,572 $ 4,179
Intangible assets and goodwill acquired 101,530 14,239 18,190
Liabilities assumed (2,156) (80) (10)
Acquisition of businesses $ 125,548 $ 17,731 $ 22,359