Property, Plant And Equipment (Narrative) (Details) - USD ($) $ in Thousands	12 Months Ended
	Oct. 03, 2015	Sep. 27, 2014	Sep. 28, 2013	Jun. 28, 2014
Capital Leases, Balance Sheet, Assets by Major Class, Net	$ 4,509	$ 7,405
Lease Expiration Date	Dec. 31, 2021
Amortization of assets held under capital leases	$ 500	600	$ 600
Capital Lease Obligations Incurred	1,200	1,400	1,400
Accounts payable related to the purchase of property, plant and equipment	2,700	7,000	10,900
Gain (Loss) on Disposition of Property Plant Equipment	$ (123)	(183)	$ (104)
Guadalajara Facility [Member]
Lessee Leasing Arrangements, Capital Lease, Base Lease Term	10 years
Lessee Leasing Arrangements, Capital Lease, Renewal Term	5 years
Capital Lease Obligations	$ 8,200	8,000		$ 8,000
Guadalajara Facility [Member] | First Five-Year Lease Renewal Option [Member]
Lease Expiration Date	Aug. 01, 2024
Guadalajara Facility [Member] | Second Five-Year Lease Renewal Option [Member]
Lease Expiration Date	Aug. 01, 2029
San Diego Facility [Member]
Capital Leases, Balance Sheet, Assets by Major Class, Net	$ 1,900	4,300
Lease Expiration Date	Jun. 01, 2016
Leasehold Improvements [Member]
Capital lease additions	$ 1,400	$ 16,200
Loss Contingency, Nature [Domain]
Gain (Loss) on Disposition of Property Plant Equipment	4,100
Loss Contingency, Nature [Domain] | Second Five-Year Lease Renewal Option [Member]
Gain (Loss) on Disposition of Property Plant Equipment	$ 800