Significant Accounting Policies (Details 2) (USD $)	3 Months Ended												12 Months Ended
	Sep. 27, 2014	Jun. 28, 2014	Mar. 29, 2014	Dec. 28, 2013	Sep. 28, 2013	Jun. 29, 2013	Mar. 30, 2013	Dec. 29, 2012	Sep. 29, 2012	Jun. 23, 2012	Mar. 24, 2012	Dec. 24, 2011	Sep. 27, 2014	Sep. 28, 2013	Sep. 29, 2012
Significant Customer Credit Risk and Supply Risk
Sales processed	$ 1,195,567,000	$ 1,022,371,000	$ 1,103,072,000	$ 1,386,670,000	$ 1,047,177,000	$ 967,072,000	$ 1,004,792,000	$ 1,339,059,000	$ 946,736,000	$ 869,194,000	$ 885,052,000	$ 1,158,216,000	$ 4,707,680,000	$ 4,358,100,000	$ 3,859,198,000
Accounts receivable of major customers	621,451,000				467,976,000								621,451,000	467,976,000
Supplier Concentration Risk [Member] | Cost of Goods, Total [Member] | Purchased Brewers [Member]
Significant Customer Credit Risk and Supply Risk
Number of major suppliers													1	1	1
Purchases from brewer manufacturer													735,200,000	637,000,000	721,300,000
Credit Concentration Risk [Member] | Accounts Receivable [Member] | Costco Wholesale Corporation [Member]
Significant Customer Credit Risk and Supply Risk
Accounts receivable of major customers	104,500,000				65,700,000								104,500,000	65,700,000
Credit Concentration Risk [Member] | Accounts Receivable [Member] | Mblock [Member]
Significant Customer Credit Risk and Supply Risk
Sales processed													1,706,100,000	1,600,200,000	1,458,400,000
Accounts receivable of major customers	$ 148,200,000				$ 157,400,000								$ 148,200,000	$ 157,400,000
Customer Concentration Risk [Member] | Sales Revenue, Net [Member] | Wal Mart Stores Inc and Affiliates [Member]
Significant Customer Credit Risk and Supply Risk
Percentage of net sales													17.00%	14.00%	12.00%
Customer Concentration Risk [Member] | Sales Revenue, Net [Member] | Costco Wholesale Corporation [Member]
Significant Customer Credit Risk and Supply Risk
Percentage of net sales													12.00%	11.00%