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Accounts Receivable, Net and Revenue Concentrations - Significant Customers (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2016 | Mar. 31, 2015 | Dec. 31, 2015
Revenue and Accounts Receivable, Major Customer [Line Items] |  |  |  |
Net sales | $ 150,658 | $ 132,705 |  |
Accounts receivable, net | 110,992 |  | $ 121,801 |
Sales [Member] | Comcast Corporation [Member] |  |  |  |
Revenue and Accounts Receivable, Major Customer [Line Items] |  |  |  |
Net sales | $ 39,609 | $ 15,577 |  |
Concentration risk | 26.30% | 11.70% |  |
Sales [Member] | DIRECTV [Member] |  |  |  |
Revenue and Accounts Receivable, Major Customer [Line Items] |  |  |  |
Net sales | $ 16,819 | $ 17,365 |  |
Concentration risk | 11.20% | 13.10% |  |
Trade Accounts Receivable [Member] | Comcast Corporation [Member] |  |  |  |
Revenue and Accounts Receivable, Major Customer [Line Items] |  |  |  |
Concentration risk | 24.40% |  | 24.10% |
Accounts receivable, net | $ 27,126 |  | $ 29,404 |
Trade Accounts Receivable [Member] | DIRECTV [Member] |  |  |  |
Revenue and Accounts Receivable, Major Customer [Line Items] |  |  |  |
Concentration risk | 11.50% |  | 0.00% | [1]
Accounts receivable, net | $ 12,769 |  | $ 0 | [1]
[1] | (1) Trade receivables associated with this customer did not total more than 10% of our accounts receivable, net at December 31, 2015.

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