v2.4.0.6

Acquisition, Goodwill Impairment and Long-lived Asset Impairment (Details 1) (USD $) In Thousands, unless otherwise specified | 12 Months Ended |
--- | --- | ---
Dec. 29, 2012 | Dec. 31, 2011 | Nov. 21, 2011
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |
Fair Value as of acquisition date | $ 31,497 | $ 31,581 |
Amortization expense during period | (20,517) | (17,187) |
Net carrying amount, end of period | 10,980 | 14,394 |
Developed technology [Member] |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |
Fair Value as of acquisition date | 17,700 | 17,489 |
Amortization expense during period | (8,277) | (5,600) |
Net carrying amount, end of period | 9,423 | 11,889 |
Customer relationships [Member] |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |
Fair Value as of acquisition date | 9,538 | 9,517 |
Amortization expense during period | (8,643) | (8,164) |
Net carrying amount, end of period | 895 | 1,353 |
In-process research and development [Member] |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |
Fair Value as of acquisition date |  | 316 |
Amortization expense during period |  | 0 |
Net carrying amount, end of period |  | 316 |
Nanda [Member] | Developed technology [Member] |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |
Net carrying amount, beginning of period | 8,603 |  |
Fair Value as of acquisition date |  |  | 9,200
Adjustments to carrying value | 279 | (393) |
Amortization expense during period | (1,752) | (204) |
Net carrying amount, end of period | 7,130 | 8,603 |
Nanda [Member] | Customer relationships [Member] |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |
Net carrying amount, beginning of period | 957 |  |
Fair Value as of acquisition date |  |  | 1,040
Adjustments to carrying value | 12 | (45) |
Amortization expense during period | (330) | (38) |
Net carrying amount, end of period | 639 | 957 |
Nanda [Member] | In-process research and development [Member] |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |
Net carrying amount, beginning of period | 316 |  |
Fair Value as of acquisition date |  |  | 330
Adjustments to carrying value | (316) | (14) |
Amortization expense during period | 0 | 0 |
Net carrying amount, end of period | 0 | 316 |
Nanda [Member] | Total identifiable intangible assets acquired [Member] |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |
Net carrying amount, beginning of period | 9,876 |  |
Fair Value as of acquisition date |  |  | 10,570
Adjustments to carrying value | (25) | (452) |
Amortization expense during period | (2,082) | (242) |
Net carrying amount, end of period | $ 7,769 | $ 9,876 |

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