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Revenue (Schedule of Net Revenue Disaggregated by Geographical Region and Sales Channel) (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Oct. 03, 2021 | Sep. 27, 2020 | Oct. 03, 2021 | Sep. 27, 2020
Disaggregation of Revenue [Line Items] |  |  |  |
Total net revenue | $ 290,150 | $ 378,114 | $ 916,886 | $ 888,129
Service provider |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total net revenue | 42,175 | 74,055 | 101,125 | 146,562
Non-service provider |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total net revenue | 247,975 | 304,059 | 815,761 | 741,567
Connected Home |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total net revenue | 208,539 | 316,739 | 679,320 | 711,419
Connected Home | Service provider |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total net revenue | 41,726 | 73,343 | 99,355 | 144,182
Connected Home | Non-service provider |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total net revenue | 166,813 | 243,396 | 579,965 | 567,237
SMB |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total net revenue | 81,611 | 61,375 | 237,566 | 176,710
SMB | Service provider |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total net revenue | 449 | 712 | 1,770 | 2,380
SMB | Non-service provider |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total net revenue | 81,162 | 60,663 | 235,796 | 174,330
Americas |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total net revenue | 195,123 | 277,891 | 626,907 | 638,327
Americas | Connected Home |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total net revenue | 158,888 | 248,888 | 523,008 | 557,862
Americas | SMB |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total net revenue | 36,235 | 29,003 | 103,899 | 80,465
EMEA |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total net revenue | 56,940 | 63,705 | 179,802 | 154,212
EMEA | Connected Home |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total net revenue | 28,253 | 42,760 | 91,975 | 91,934
EMEA | SMB |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total net revenue | 28,687 | 20,945 | 87,827 | 62,278
APAC |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total net revenue | 38,087 | 36,518 | 110,177 | 95,590
APAC | Connected Home |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total net revenue | 21,398 | 25,091 | 64,337 | 61,623
APAC | SMB |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total net revenue | $ 16,689 | $ 11,427 | $ 45,840 | $ 33,967

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