Inventories (Narrative) (Details) - USD ($)	3 Months Ended
	Apr. 01, 2018	Oct. 01, 2017	Apr. 02, 2017
Inventory [Line Items]
Roasted Coffee Inventory	$ 246,300,000	$ 301,100,000	$ 272,800,000
Price-to-be-fixed Contract [Member]
Inventory [Line Items]
Amount of coffee committed to be purchased	547,000,000
Fixed-price Contract [Member]
Inventory [Line Items]
Amount of coffee committed to be purchased	631,000,000
Designated as Hedging Instrument [Member]
Inventory [Line Items]
Derivative Assets	$ 0