Restructuring and Other Charges (Narrative) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Jul. 01, 2017	Jul. 02, 2016	Jul. 01, 2017	Jul. 02, 2016	Oct. 01, 2016
Restructuring Cost and Reserve [Line Items]
Restructuring and Other Charges	$ 0	$ 1,805	$ 0	$ 5,229
AMER | Fremont [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Other Charges			2		$ 7,034
AMER | Employee Severance [Member] | Fremont [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Other Charges		1,641	0	4,691	5,255
AMER | Other Restructuring [Member] | Fremont [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Other Charges		$ 164	$ 2	$ 538	$ 1,779