Note 6 Line of Credit Facility (Details) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Jun. 27, 2015	Sep. 30, 2017	Oct. 01, 2016	Oct. 03, 2015
Line of Credit Facility [Line Items]
Loss on extinguishments of debt		$ 0	$ 0	$ (3,760)
Foreign Line of Credit
Line of Credit Facility [Line Items]
Maximum Borrowing Capacity		$ 74,100
Facility Expiration Date		Mar. 10, 2019
Amount Outstanding		$ 0
Asset-backed Lending Facility [Member] | Revolving Credit Facility
Line of Credit Facility [Line Items]
Loss on extinguishments of debt	$ (800)
Cash Flow Revolver [Member] | Revolving Credit Facility
Line of Credit Facility [Line Items]
Maximum Borrowing Capacity	$ 375,000
Additional Credit Line		$ 125,000
Facility Expiration Date		May 20, 2020
Amount Outstanding		$ 85,000
Letters of Credit Outstanding, Amount		$ 13,100