Condensed Consolidated Statements of Earnings - USD ($) shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Mar. 27, 2016	Mar. 29, 2015	Mar. 27, 2016	Mar. 29, 2015
Net revenues:
Total net revenues	$ 4,993.2	$ 4,563.5	$ 10,366.8	$ 9,366.8
Cost of sales including occupancy costs	2,010.3	1,859.8	4,196.5	3,851.0
Store operating expenses	1,466.4	1,324.6	2,972.6	2,640.1
Other operating expenses	139.6	133.5	285.8	262.9
Depreciation and amortization expenses	247.8	217.1	483.3	423.1
General and administrative expenses	330.5	305.9	636.0	604.3
Total operating expenses	4,194.6	3,840.9	8,574.2	7,781.4
Income from equity investees	65.6	54.9	129.7	107.7
Operating income	864.2	777.5	1,922.3	1,693.1
Gain resulting from acquisition of joint venture	0.0	0.0	0.0	390.6
Interest income and other, net	14.5	1.3	22.5	11.1
Interest expense	(18.3)	(16.9)	(34.8)	(33.2)
Earnings before income taxes	860.4	761.9	1,910.0	2,061.6
Income tax expense	285.4	266.3	647.4	581.2
Net earnings including noncontrolling interests	575.0	495.6	1,262.6	1,480.4
Net earnings/(loss) attributable to noncontrolling interests	(0.1)	0.7	0.0	2.1
Net earnings attributable to Starbucks	$ 575.1	$ 494.9	$ 1,262.6	$ 1,478.3
Earnings per share - basic	$ 0.39	$ 0.33	$ 0.85	$ 0.99
Earnings per share - diluted	$ 0.39	$ 0.33	$ 0.84	$ 0.97
Weighted average shares outstanding:
Basic	1,472.1	1,500.5	1,479.0	1,499.7
Diluted	1,486.6	1,516.5	1,495.0	1,516.7
Cash dividends declared per share	$ 0.20	$ 0.16	$ 0.4	$ 0.32
Company-operated stores [Member]
Net revenues:
Total net revenues	$ 3,944.2	$ 3,622.9	$ 8,154.8	$ 7,395.7
Licensed stores [Member]
Net revenues:
Total net revenues	493.1	421.3	1,033.8	905.3
CPG, foodservice and other [Member]
Net revenues:
Total net revenues	$ 555.9	$ 519.3	$ 1,178.2	$ 1,065.8