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Summary of Significant Accounting Policies (Narrative) (Details) - Nestle Global Coffee Alliance [Member] - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Sep. 29, 2019 | Aug. 26, 2018
Revenue Recognition, Multiple-deliverable Arrangements [Line Items] |  |
Deferred Revenue |  | $ 7,000.0
Deferred Revenue, Current | $ 175.9 |
Deferred Revenue, Revenue Recognized | $ 175.2 |

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