Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
Dec. 26, 2015	Dec. 27, 2014
Numerator for basic and diluted earnings per share:
Net income attributable to Keurig	$ 104,497	$ 134,579
Denominator:
Basic weighted average shares outstanding	150,236,842	162,181,332
Effect of dilutive securities - stock options (in shares)	722,306	1,893,706
Diluted weighted average shares outstanding	150,959,148	164,075,038
Basic and diluted net income per common share
Basic net income per common share (in dollars per share)	$ 0.70	$ 0.83
Diluted net income per common share (in dollars per share)	$ 0.69	$ 0.82

The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

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The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.

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Net income after adjustments for dividends on preferred stock (declared in the period) and/or cumulative preferred stock (accumulated for the period).

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The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.

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