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Goodwill and Intangible Assets - Narratives (Details) $ / shares in Units, $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jul. 01, 2016 USD ($) $ / shares | Apr. 01, 2016 USD ($) | Dec. 31, 2015 USD ($) | Jul. 03, 2015 USD ($) | Jul. 01, 2016 USD ($) $ / shares
Goodwill [Line Items] |  |  |  |  |
Share Price | $ / shares | $ 3.01 |  |  |  | $ 3.01
Market Capitalization | $ 235,000 |  |  |  | $ 235,000
Goodwill | 235,369 |  | $ 197,781 |  | 235,369
Number of Reporting Units |  |  | 2 |  |
Preliminary Recorded Additional Goodwill |  |  |  |  | 37,630
Goodwill, Impairment Loss | 0 |  |  | $ 0 |
Video [Member] |  |  |  |  |
Goodwill [Line Items] |  |  |  |  |
Goodwill | 174,560 |  | $ 136,904 |  | 174,560
Preliminary Recorded Additional Goodwill |  |  |  |  | 37,630
Reporting Unit, Percentage of Fair Value in Excess of Carrying Amount |  |  | 87.00% |  |
Cable Edge [Member] |  |  |  |  |
Goodwill [Line Items] |  |  |  |  |
Goodwill | 60,809 |  | $ 60,877 |  | 60,809
Reporting Unit, Percentage of Fair Value in Excess of Carrying Amount |  |  | 42.00% |  |
TVN [Member] |  |  |  |  |
Goodwill [Line Items] |  |  |  |  |
Goodwill | 37,630 |  |  |  | 37,630
Preliminary Recorded Additional Goodwill |  | $ 39,200 |  |  |
Finite-lived Intangible Assets Acquired |  |  |  |  | $ 43,800
Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability | (5,500) |  |  |  |
Cash Earnout [Member] | TVN [Member] |  |  |  |  |
Goodwill [Line Items] |  |  |  |  |
Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability | $ 2,000 |  |  |  |

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