Earnings Per Share (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Mar. 29, 2014	Mar. 30, 2013	Mar. 29, 2014	Mar. 30, 2013
Numerator for basic and diluted earnings per share:
Net income attributable to Keurig	$ 162,084	$ 132,421	$ 300,311	$ 240,004
Denominator:
Basic weighted average shares outstanding	153,945,441	148,774,443	151,552,422	149,044,980
Effect of dilutive securities (in shares)	3,517,655	3,535,610	2,973,327	3,505,180
Diluted weighted average shares outstanding	157,463,096	152,310,053	154,525,749	152,550,160
Basic and diluted net income per common share
Basic net income per common share (in dollars per share)	$ 1.05	$ 0.89	$ 1.98	$ 1.61
Diluted net income per common share (in dollars per share)	$ 1.03	$ 0.87	$ 1.94	$ 1.57
Diluted earnings per share, other disclosure
Antidilutive securities excluded from computation of earnings per share (in shares)	419,000	953,000	602,000	1,101,000