Inventories (Components of Inventory) (Details) (USD $) In Millions, unless otherwise specified	Mar. 30, 2014	Sep. 29, 2013	Mar. 31, 2013
Inventory Disclosure [Abstract]
Unroasted coffee	$ 400.0	$ 493.0	$ 590.4
Roasted coffee	189.5	235.4	214.3
Other merchandise held for sale	210.1	243.3	200.7
Packaging and other supplies	155.1	139.5	119.1
Total	$ 954.7	$ 1,111.2	$ 1,124.5