Legal Proceedings (Details) (Pending Litigation [Member])			0 Months Ended		0 Months Ended			9 Months Ended
	Jun. 28, 2014 Council for Education and Research on Toxics vs Brad Barry LLC and Starbucks Corp [Member] item	Jun. 28, 2014 Putative Securities Fraud Class Actions [Member] item	Sep. 26, 2013 Putative Securities Fraud Class Action Fifield [Member]	Jun. 28, 2014 Putative Stockholder Derivative Actions [Member] item	Apr. 27, 2012 Consolidated Putative Stockholder Derivative Action District of Vermont [Member] item	Nov. 29, 2010 Consolidated Putative Stockholder Derivative Action District of Vermont [Member] item	Sep. 28, 2010 Consolidated Putative Stockholder Derivative Action District of Vermont [Member] item	Jun. 28, 2014 Consolidated Putative Stockholder Derivative Action District of Vermont [Member] item	Jun. 28, 2014 Antitrust Litigation Putative Class Action [Member] item
Legal Proceedings
Number of affirmative defenses shared by all defendants	3
Number of pending actions		2		2					26
Number of separate complaints in consolidated action								5
Loss Contingency, New Claims Filed, Number							2
Period allowed to plaintiffs to amend their complaint			30 days
Number of separate complaints ordered by federal court to be consolidated into the action					2	2