Note 9 Restructuring (Details) $ in Thousands	3 Months Ended
	Dec. 28, 2019 USD ($)	Dec. 29, 2018 USD ($)	Sep. 28, 2019 USD ($)
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	$ 9,160	$ 2,139
Restructuring Reserve	4,000		$ 5,000
IMS
Restructuring Cost and Reserve [Line Items]
Restructuring Expense (Recovery), net		(4,000)
Restructuring Charges	7,000
CPS
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	$ 2,000	6,000
Q1 FY20 Plan [Member]
Restructuring Cost and Reserve [Line Items]
Initiation Date	Dec. 28, 2019
Completion Date	Oct. 03, 2020
Expected Number of Positions Eliminated	1,450
Restructuring Charges	$ 6,736	0
Q1 FY20 Plan [Member] | Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	6,728	0
Q1 FY20 Plan [Member] | Other Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	8	0
Other plans [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	2,424	$ 2,139
Minimum [Member] | Q1 FY20 Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost	10,000
Maximum [Member] | Q1 FY20 Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost	$ 20,000