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Inventories (Components of Inventory) (Details) - USD ($) $ in Millions | Apr. 01, 2018 | Oct. 01, 2017 | Apr. 02, 2017
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Inventory Disclosure [Abstract] |  |  |
Unroasted coffee | $ 615.4 | $ 541.0 | $ 599.2
Roasted Coffee Inventory | 246.3 | 301.1 | 272.8
Other merchandise held for sale | 264.1 | 301.1 | 244.6
Packaging and other supplies | 250.1 | 220.8 | 207.0
Total | $ 1,375.9 | $ 1,364.0 | $ 1,323.6

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