Segment Information Segment Information (Schedule of Net Revenue By Channel) (Details) - USD ($) $ in Thousands	3 Months Ended
	Apr. 02, 2017	Apr. 03, 2016
Revenue, Major Customer [Line Items]
Net revenue	$ 323,657	$ 310,256
Arlo [Member]
Revenue, Major Customer [Line Items]
Net revenue	60,712	24,265	[1]
Connected Home [Member]
Revenue, Major Customer [Line Items]
Net revenue	194,361	216,110	[1]
SMB [Member]
Revenue, Major Customer [Line Items]
Net revenue	68,584	69,881	[1]
Service Provider [Member]
Revenue, Major Customer [Line Items]
Net revenue	55,960	84,281
Service Provider [Member] | Arlo [Member]
Revenue, Major Customer [Line Items]
Net revenue	1,977	5,981
Service Provider [Member] | Connected Home [Member]
Revenue, Major Customer [Line Items]
Net revenue	53,193	76,852
Service Provider [Member] | SMB [Member]
Revenue, Major Customer [Line Items]
Net revenue	$ 790	$ 1,448

[1] * Prior year financial information for each reportable segment has been recast to conform to the current reportable segment structure effective on January 1, 2017.