Note 6 Restructuring (Details) $ in Thousands	3 Months Ended
	Dec. 30, 2017 USD ($)	Dec. 31, 2016 USD ($)
Restructuring Cost and Reserve [Line Items]
Initiation Date	Dec. 30, 2017
Completion Date	Dec. 28, 2019
Expected Number of Positions Eliminated	2,900
Restructuring costs	$ 23,542	$ 728
Q1 FY18 Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Current	12,000
Restructuring Reserve, Noncurrent	11,000
Expected Cost	35,000
Q1 FY18 Plan [Member] | Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring costs	23,301
Expected Cost	27,700
Q1 FY18 Plan [Member] | Other Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring costs	0
Expected Cost	7,300
Q1 FY18 Plan [Member] | IMS
Restructuring Cost and Reserve [Line Items]
Expected Cost	24,600
Q1 FY18 Plan [Member] | IMS | Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring costs	19,500
Q1 FY18 Plan [Member] | CPS [Member]
Restructuring Cost and Reserve [Line Items]
Expected Cost	10,400
Q1 FY18 Plan [Member] | CPS [Member] | Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring costs	3,800
Prior to Q1 FY18 Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring costs	241
Expected Cost	$ 0