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Investments - Additional Information (Detail) (USD $)
In Thousands, unless otherwise specified |
6 Months Ended | |
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Jun. 28, 2014
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Jun. 29, 2013
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| Investments Schedule [Abstract] | ||
| Recognized gross realized losses | $ 0 | $ 0 |
| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
This item represents the gross loss realized on the sale of debt or equity securities categorized neither as held-to-maturity nor trading securities. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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