Commitments and Contingencies Operating Lease (Details) (USD $)	12 Months Ended
	Sep. 28, 2014	Sep. 29, 2013	Sep. 30, 2012
Long-term Purchase Commitment [Line Items]
Operating Leases, Future Minimum Payments Due, Next Twelve Months	$ 3,000,000
Operating Leases, Future Minimum Payments, Due in Two Years	2,252,000
Operating Leases, Future Minimum Payments, Due in Three Years	2,010,000
Operating Leases, Future Minimum Payments, Due in Four Years	1,945,000
Operating Leases, Future Minimum Payments, Due in Five Years	918,000
Operating Leases, Future Minimum Payments, Due Thereafter	2,000,000
Operating Leases, Rent Expense	$ 3,276,000	$ 3,581,000	$ 3,731,000