Segment Information (Details) (USD $) In Thousands | 3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2011 | Oct. 01, 2010 | Sep. 30, 2011 | Oct. 01, 2010 | |
| Summary of revenue by product type | ||||
| Revenue by type, Total | $ 138,871 | $ 104,784 | $ 405,702 | $ 285,149 |
Video processing products [Member] | ||||
| Summary of revenue by product type | ||||
| Revenue by type, Total | 57,027 | 51,005 | 172,310 | 139,893 |
Production and playout products [Member] | ||||
| Summary of revenue by product type | ||||
| Revenue by type, Total | 26,619 | 4,880 | 73,005 | 4,880 |
Edge and access products [Member] | ||||
| Summary of revenue by product type | ||||
| Revenue by type, Total | 38,308 | 34,712 | 109,662 | 104,519 |
Service and support [Member] | ||||
| Summary of revenue by product type | ||||
| Revenue by type, Total | $ 16,917 | $ 14,187 | $ 50,725 | $ 35,857 |