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Business Combinations (Estimates of Acquired Intangible Assets) (Details) - USD ($) $ in Thousands | 1 Months Ended | 12 Months Ended |
--- | --- | --- | ---
May 07, 2015 | Sep. 27, 2016 | Sep. 30, 2015
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |  |
Goodwill, including assembled Workforce | $ 14,970 | [1] | $ 15,076 | $ 15,066
Trademarks and Trade Names [Member] |  |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |  |
Estimated Fair Value | 3,900 |  |  |
Noncompete Agreements [Member] |  |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |  |
Estimated Fair Value | 15 |  |  |
Weighted Average Estimated Useful Life |  |  | 3 years |
Franchise Rights [Member] |  |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |  |
Estimated Fair Value | $ 116 |  |  |
Franchise Rights [Member] | Maximum [Member] |  |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |  |
Weighted Average Estimated Useful Life |  |  | 9 years |
Franchise Rights [Member] | Minimum [Member] |  |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |  |
Weighted Average Estimated Useful Life |  |  | 3 years |
[1] | The excess of the purchase price over the aggregate fair value of net assets acquired was allocated to goodwill. The portion of the purchase price attributable to goodwill represents benefits expected as a result of the acquisition, including sales and unit growth opportunities.

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