Note 8 Restructuring (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Apr. 03, 2021 USD ($) people	Mar. 28, 2020 USD ($) people	Apr. 03, 2021 USD ($) people	Mar. 28, 2020 USD ($) people	Oct. 03, 2020 USD ($)
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	$ 11,880	$ 8,356	$ 13,784	$ 17,516
Restructuring Reserve	$ 16,000		16,000		$ 9,000
Corporate, Non-Segment [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges			600	3,000
IMS
Restructuring Cost and Reserve [Line Items]
Restructuring Charges			9,000	9,000
CPS
Restructuring Cost and Reserve [Line Items]
Restructuring Charges			$ 4,000	$ 6,000
Q1 FY20 Plan [Member]
Restructuring Cost and Reserve [Line Items]
Number of Positions Eliminated | people	790	300	830	1,750
Restructuring Charges	$ 10,665	$ 4,769	$ 11,501	$ 11,505
Expected Cost	35,000		35,000
Cost Incurred to Date	29,000		29,000
Q1 FY20 Plan [Member] | Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	10,656	4,725	11,492	11,453
Q1 FY20 Plan [Member] | Other Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	9	44	9	52
Other plans [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	$ 1,215	$ 3,587	$ 2,283	$ 6,011