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Percentage of Net Revenues by Geographies (Detail) | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2012 | Jun. 25, 2011 | Jun. 30, 2012 | Jun. 25, 2011
Segment Reporting Disclosure [Line Items] |  |  |  |
Total Revenues | 100.00% | 100.00% | 100.00% | 100.00%
Asia-Pacific |  |  |  |
Segment Reporting Disclosure [Line Items] |  |  |  |
Total Revenues | 22.00% | 19.00% | 21.00% | 22.00%
Americas |  |  |  |
Segment Reporting Disclosure [Line Items] |  |  |  |
Total Revenues | 75.00% | 79.00% | 78.00% | 77.00%
Europe |  |  |  |
Segment Reporting Disclosure [Line Items] |  |  |  |
Total Revenues | 3.00% | 2.00% | 1.00% | 1.00%

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