Restructuring and Other Charges (Narrative) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Dec. 31, 2016	Jan. 02, 2016	Oct. 01, 2016
Restructuring Cost and Reserve [Line Items]
Restructuring and Other Charges	$ 0	$ 1,507
AMER | Fremont [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Other Charges	0		$ 7,034
AMER | Employee Severance [Member] | Fremont [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Other Charges	0	1,394	5,255
AMER | Other Restructuring [Member] | Fremont [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Other Charges	$ 0	$ 113	$ 1,779