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Industry Segment Operations (Details 2)
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3 Months Ended |
|---|---|
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Apr. 29, 2012
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Samsung Electronics Co., Ltd. [Member]
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|
| Segment Reporting, Disclosure of Entity's Reportable Segments [Abstract] | |
| Accounted net sales in percent | 30.00% |
|
Taiwan Semiconductor Manufacturing Company Limited [Member]
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|
| Segment Reporting, Disclosure of Entity's Reportable Segments [Abstract] | |
| Accounted net sales in percent | 13.00% |