Note 7 Restructuring (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2018 USD ($)	Jul. 01, 2017 USD ($)	Jun. 30, 2018 USD ($)	Jul. 01, 2017 USD ($)
Restructuring Cost and Reserve [Line Items]
Expected Cost	$ 25,000		$ 25,000
Restructuring costs (recovery)	1,021	$ (3,908)	15,972	$ 121
Q1 FY18 Plan [Member]
Restructuring Cost and Reserve [Line Items]
Expected cost prior to reimbursement	35,000		35,000
Restructuring Expense (Recovery) prior to reimbursement	847		25,613
Restructuring Reserve, Current	20,000		$ 20,000
Initiation Date			Dec. 30, 2017
Completion Date			Dec. 31, 2019
Expected Number of Positions Eliminated			2,900
Severance Reimbursement	0		$ (10,000)
Expected Cost	25,000		25,000
Restructuring costs (recovery)	847		15,613
Q1 FY18 Plan [Member] | Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Expected Cost	27,700		27,700
Restructuring Charges	758		25,250
Q1 FY18 Plan [Member] | Other Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Expected Cost	7,300		7,300
Restructuring Charges	89		363
Q1 FY18 Plan [Member] | IMS
Restructuring Cost and Reserve [Line Items]
Expected Cost	14,600		14,600
Restructuring costs (recovery)			11,100
Q1 FY18 Plan [Member] | CPS [Member]
Restructuring Cost and Reserve [Line Items]
Expected Cost	10,400		10,400
Restructuring costs (recovery)			4,500
Prior to Q1 FY18 Plan [Member]
Restructuring Cost and Reserve [Line Items]
Expected Cost	0		0
Restructuring costs (recovery)	$ 174		$ 359