Revenue Recognition (Schedule of Net Revenue Disaggregated by Geographical Region and Sales Channel) (Details) - USD ($) $ in Thousands	3 Months Ended			6 Months Ended
	Jul. 01, 2018	Jul. 02, 2017	[1]	Jul. 01, 2018	Jul. 02, 2017	[1]
Disaggregation of Revenue [Line Items]
Total net revenue	$ 366,820	$ 330,723		$ 711,793	$ 654,380
Service provider
Disaggregation of Revenue [Line Items]
Total net revenue	54,624	57,045		105,871	113,005
Non-service provider
Disaggregation of Revenue [Line Items]
Total net revenue	312,196	273,678		605,922	541,375
Americas
Disaggregation of Revenue [Line Items]
Total net revenue	259,826	226,949		493,446	438,578
EMEA
Disaggregation of Revenue [Line Items]
Total net revenue	68,681	55,204		135,310	113,649
APAC
Disaggregation of Revenue [Line Items]
Total net revenue	38,313	48,570		83,037	102,153
Arlo
Disaggregation of Revenue [Line Items]
Total net revenue	104,813	78,732		201,022	139,444
Arlo | Service provider
Disaggregation of Revenue [Line Items]
Total net revenue	7,591	7,972		15,978	9,949
Arlo | Non-service provider
Disaggregation of Revenue [Line Items]
Total net revenue	97,222	70,760		185,044	129,495
Arlo | Americas
Disaggregation of Revenue [Line Items]
Total net revenue	80,877	66,485		151,877	109,157
Arlo | EMEA
Disaggregation of Revenue [Line Items]
Total net revenue	19,149	9,937		37,890	22,407
Arlo | APAC
Disaggregation of Revenue [Line Items]
Total net revenue	4,787	2,310		11,255	7,880
Connected Home
Disaggregation of Revenue [Line Items]
Total net revenue	191,164	185,905		368,945	380,266
Connected Home | Service provider
Disaggregation of Revenue [Line Items]
Total net revenue	46,333	48,485		88,130	101,678
Connected Home | Non-service provider
Disaggregation of Revenue [Line Items]
Total net revenue	144,831	137,420		280,815	278,588
Connected Home | Americas
Disaggregation of Revenue [Line Items]
Total net revenue	149,271	131,674		280,875	267,878
Connected Home | EMEA
Disaggregation of Revenue [Line Items]
Total net revenue	21,027	18,901		42,454	40,903
Connected Home | APAC
Disaggregation of Revenue [Line Items]
Total net revenue	20,866	35,330		45,616	71,485
SMB
Disaggregation of Revenue [Line Items]
Total net revenue	70,843	66,086		141,826	134,670
SMB | Service provider
Disaggregation of Revenue [Line Items]
Total net revenue	700	588		1,763	1,378
SMB | Non-service provider
Disaggregation of Revenue [Line Items]
Total net revenue	70,143	65,498		140,063	133,292
SMB | Americas
Disaggregation of Revenue [Line Items]
Total net revenue	29,678	28,790		60,694	61,543
SMB | EMEA
Disaggregation of Revenue [Line Items]
Total net revenue	28,505	26,366		54,966	50,339
SMB | APAC
Disaggregation of Revenue [Line Items]
Total net revenue	$ 12,660	$ 10,930		$ 26,166	$ 22,788

[1] As noted above, prior period amounts have not been adjusted under the modified retrospective method.