Significant Customers (Details) (Customers)	3 Months Ended															12 Months Ended	3 Months Ended	12 Months Ended	3 Months Ended	12 Months Ended
	Sep. 28, 2014 item	Sep. 29, 2013 item	Sep. 28, 2014 Sales Revenue	Sep. 29, 2013 Sales Revenue	Sep. 28, 2014 Sales Revenue Customer 1	Sep. 29, 2013 Sales Revenue Customer 1	Sep. 28, 2014 Sales Revenue Customer 2	Sep. 29, 2013 Sales Revenue Customer 2	Sep. 28, 2014 Sales Revenue Customer 3	Sep. 29, 2013 Sales Revenue Customer 3 Maximum	Sep. 29, 2013 Sales Revenue Customer 4	Sep. 28, 2014 Sales Revenue Customer 4 Maximum	Sep. 29, 2013 Sales Revenue Customer 5	Sep. 28, 2014 Sales Revenue Customer 5 Maximum	Sep. 28, 2014 Accounts Receivable Customer 1	Jun. 30, 2014 Accounts Receivable Customer 1	Sep. 28, 2014 Accounts Receivable Customer 2	Jun. 30, 2014 Accounts Receivable Customer 2	Sep. 28, 2014 Accounts Receivable Customer 3	Jun. 30, 2014 Accounts Receivable Customer 3 Maximum
Significant customers
Concentration Risk, Number of Customers	3	4
Concentration risk, percentage			25.30%	41.80%	8.80%	10.40%	7.60%	14.00%	8.90%	5.00%	9.10%	5.00%	8.30%	5.00%	11.40%	11.60%	6.30%	8.30%	5.50%	5.00%