Note 3 Property, Plant and Equipment (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 28, 2019	Sep. 29, 2018	Sep. 30, 2017
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	$ 2,195,533	$ 2,221,987
Accumulated Depreciation and Amortization	(1,564,886)	(1,579,074)
Property, plant and equipment, net	630,647	642,913
Depreciation Expense	115,000	112,000	$ 111,000
Machinery and equipment
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	1,448,812	1,476,903
Land and buildings
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	639,667	617,258
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	44,015	56,190
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	23,619	23,911
Construction in progress
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	$ 39,420	$ 47,725