Restructuring Restructuring Charges in the Statement of Operations (Details) - USD ($) $ in Thousands	3 Months Ended
	Jan. 29, 2016	Jan. 30, 2015
Schedule of Restructuring Charges in Statement of Operations [Line Items]
Restructuring charges	$ 869	$ 6,543
Cost of sales
Schedule of Restructuring Charges in Statement of Operations [Line Items]
Restructuring charges	435	4,849
Research and Development
Schedule of Restructuring Charges in Statement of Operations [Line Items]
Restructuring charges	0	552
Selling, General and Administrative
Schedule of Restructuring Charges in Statement of Operations [Line Items]
Restructuring charges	$ 434	$ 1,142