Note 10 Restructuring and Related Activities (Details) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2018 USD ($)	Sep. 28, 2019 USD ($)	Sep. 29, 2018 USD ($)	Sep. 30, 2017 USD ($)	Oct. 28, 2019 USD ($)
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Current		$ 5,000	$ 24,000
Restructuring costs		13,753	29,146	$ 1,339
IMS
Restructuring Cost and Reserve [Line Items]
Restructuring Expense (Recovery), net		(4,000)
Restructuring costs			12,000
CPS [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring costs		18,000	17,000
Q1 FY18 Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Expense (Recovery) prior to reimbursement		$ 5,147	31,409
Initiation Date		Dec. 30, 2017
Completion Date		Dec. 31, 2019
Expected Number of Positions Eliminated		2,900
Severance reimbursement	$ (10,000)	$ 0	(10,000)
Other Receivables		5,000
Restructuring costs		5,147	21,409
Q1 FY18 Plan [Member] | Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring costs		1,900	26,425
Q1 FY18 Plan [Member] | Other Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring costs		3,247	4,984
Other plans [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring costs		$ 8,606	$ 7,737
Minimum | Subsequent Event [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost					$ 10,000
Maximum | Subsequent Event [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost					$ 20,000