Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 27, 2015	Jun. 28, 2014	Jun. 27, 2015	Jun. 28, 2014
Numerator for basic and diluted earnings per share:
Net income attributable to Keurig	$ 113,621	$ 155,151	$ 403,679	$ 455,462
Denominator:
Basic weighted-average shares outstanding	154,052,575	162,695,801	158,402,095	155,267,136
Effect of dilutive securities (in shares)	1,544,945	1,997,345	1,704,634	2,654,959
Diluted weighted-average shares outstanding	155,597,520	164,693,146	160,106,729	157,922,095
Basic and diluted net income per common share
Basic net income per common share (in dollars per share)	$ 0.74	$ 0.95	$ 2.55	$ 2.93
Diluted net income per common share (in dollars per share)	$ 0.73	$ 0.94	$ 2.52	$ 2.88