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Goodwill and Other Intangible Assets - Schedule of Goodwill and Intangible Assets (Details) - USD ($) $ in Thousands | 12 Months Ended
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Aug. 26, 2017 | Aug. 27, 2016
Finite-Lived Intangible Assets [Line Items] |  |
Goodwill | $ 55,302 | $ 7,481
Weighted average life | 13 years 10 months 24 days |
Total intangible assets and goodwill acquired | $ 101,450 | 14,239
Customer contracts |  |
Finite-Lived Intangible Assets [Line Items] |  |
Intangible assets | $ 43,369 | $ 6,088
Weighted average life | 14 years 6 months | 14 years 9 months 18 days
Other intangible assets |  |
Finite-Lived Intangible Assets [Line Items] |  |
Intangible assets | $ 2,779 | $ 670
Weighted average life | 4 years 8 months 12 days | 5 years 3 months 18 days

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