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Basis of Presentation - Narrative (Details) - USD ($) | Mar. 25, 2017 | Sep. 24, 2016 | Mar. 26, 2016
--- | --- | --- | ---
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |
Restricted cash | $ 10,988,000 | $ 10,910,000 | $ 11,946,000
Outstanding derivative instruments | $ 0 |  | $ 0
Subsidiaries |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |
Noncontrolling interest owned by the subsidiary | 20.00% |  |

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