Condensed Consolidated Statements of Earnings - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Jul. 02, 2017	Jun. 26, 2016	Jul. 02, 2017	Jun. 26, 2016
Net revenues:
Total net revenues	$ 5,661.5	$ 5,238.0	$ 16,688.5	$ 15,604.7
Cost of sales including occupancy costs	2,249.1	2,060.3	6,685.3	6,256.9
Store operating expenses	1,628.9	1,529.4	4,853.5	4,502.0
Other operating expenses	142.5	137.5	422.7	423.3
Depreciation and amortization expenses	252.6	247.6	756.0	730.9
General and administrative expenses	325.0	323.4	1,008.2	959.4
Goodwill and Asset Impairment Charge	120.2	0.0	120.2	0.0
Total operating expenses	4,718.3	4,298.2	13,845.9	12,872.5
Income from equity investees	101.0	82.5	269.5	212.3
Operating income	1,044.2	1,022.3	3,112.1	2,944.5
Interest income and other, net	31.7	72.9	123.7	95.5
Interest expense	(23.5)	(21.8)	(70.2)	(56.6)
Earnings before income taxes	1,052.4	1,073.4	3,165.6	2,983.4
Income tax expense	361.1	318.9	1,070.1	966.2
Net earnings including noncontrolling interests	691.3	754.5	2,095.5	2,017.2
Net earnings/(loss) attributable to noncontrolling interests	(0.3)	0.4	(0.6)	0.4
Net earnings attributable to Starbucks	$ 691.6	$ 754.1	$ 2,096.1	$ 2,016.8
Earnings per share - basic	$ 0.48	$ 0.51	$ 1.44	$ 1.37
Earnings per share - diluted	$ 0.47	$ 0.51	$ 1.43	$ 1.35
Weighted average shares outstanding:
Basic	1,447.7	1,465.3	1,452.8	1,474.4
Diluted	1,459.4	1,479.3	1,464.9	1,489.7
Cash dividends declared per share	$ 0.25	$ 0.20	$ 0.75	$ 0.6
Company-operated stores [Member]
Net revenues:
Total net revenues	$ 4,509.0	$ 4,181.6	$ 13,173.7	$ 12,336.3
Licensed stores [Member]
Net revenues:
Total net revenues	588.3	527.2	1,737.4	1,561.0
CPG, foodservice and other [Member]
Net revenues:
Total net revenues	$ 564.2	$ 529.2	$ 1,777.4	$ 1,707.4