The aggregate amount of recurring noncash expense charged against earnings in the period to allocate the cost of assets over their estimated remaining economic lives.

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Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

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Percentage of voting equity interests acquired at the acquisition date in the business combination.

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Amount of income (loss) from continuing operations before deduction of income tax expense (benefit) and income (loss) attributable to noncontrolling interest, and addition of income (loss) from equity method investments.

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The aggregate amount of income or expense from ancillary business-related activities (that is to say, excluding major activities considered part of the normal operations of the business).

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Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

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Generally recurring costs associated with normal operations except for the portion of these expenses which can be clearly related to production and included in cost of sales or services. Includes selling, general and administrative expense.

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The net result for the period of deducting operating expenses from operating revenues.

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Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Segment Information (Details) $ in Thousands	3 Months Ended		9 Months Ended
Segment Information (Details) $ in Thousands	Sep. 29, 2017 USD ($)	Sep. 30, 2016 USD ($)	Sep. 29, 2017 USD ($) segment	Sep. 30, 2016 USD ($)	Feb. 29, 2016
Segment Reporting Information [Line Items]
Revenue, Net	$ 92,014	$ 101,406	$ 257,272	$ 292,809
Income (loss) from operations	(14,206)	(11,933)	(62,786)	(50,807)
Operating Expenses	(61,231)	(63,296)	(184,034)	(193,864)
Stock-based compensation	(3,720)	(2,680)	(11,107)	(8,542)
Amortization of intangibles	(2,088)	(4,389)	(6,232)	(12,711)
Nonoperating Income (Expense)	(3,292)	(4,321)	(9,892)	(10,546)
Loss before income taxes	(17,498)	(16,254)	$ (72,678)	(61,353)
Number of Reportable Segments \| segment			2
Video [Member]
Segment Reporting Information [Line Items]
Revenue, Net	84,155	91,353	$ 231,876	246,949
Cable Edge [Member]
Segment Reporting Information [Line Items]
Revenue, Net	7,859	10,053	25,396	45,860
Operating Segments [Member]
Segment Reporting Information [Line Items]
Income (loss) from operations	1,652	119	(26,622)	(9,061)
Operating Segments [Member] \| Video [Member]
Segment Reporting Information [Line Items]
Income (loss) from operations	7,009	4,886	(7,774)	(1,943)
Operating Segments [Member] \| Cable Edge [Member]
Segment Reporting Information [Line Items]
Income (loss) from operations	(5,357)	(4,767)	(18,848)	(7,118)
Corporate, Non-Segment [Member]
Segment Reporting Information [Line Items]
Operating Expenses	$ (10,050)	$ (4,983)	$ (18,825)	$ (20,493)
TVN [Member]
Segment Reporting Information [Line Items]
Business Acquisition, Percentage of Voting Interests Acquired					100.00%