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Goodwill and Intangible Assets Schedule of Goodwill (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Aug. 31, 2019 | Aug. 25, 2018 | Aug. 26, 2017
Goodwill [Line Items] |  |  |
Balance at beginning of year | $ 274,370 | $ 242,728 | $ 1,228
Goodwill, Period Increase (Decrease) |  | 29,686 | 241,500
Goodwill, Purchase Accounting Adjustments | 561 | 1,956 |
Balance at end of year | 274,931 | 274,370 | 242,728
Towable [Member] |  |  |
Goodwill [Line Items] |  |  |
Balance at beginning of year | 244,684 | 242,728 | 1,228
Goodwill, Period Increase (Decrease) |  |  | 241,500
Goodwill, Purchase Accounting Adjustments |  | 1,956 |
Balance at end of year | 244,684 | 244,684 | $ 242,728
Corporate All Other [Member] |  |  |
Goodwill [Line Items] |  |  |
Balance at beginning of year | 29,686 |  |
Goodwill, Period Increase (Decrease) |  | 29,686 |
Goodwill, Purchase Accounting Adjustments | 561 |  |
Balance at end of year | $ 30,247 | $ 29,686 |

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