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Royalties Receivable - Additional Information (Detail) (USD $)
In Millions, unless otherwise specified |
6 Months Ended |
|---|---|
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Jun. 29, 2013
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| Disclosure Royalties Receivable Additional Information [Abstract] | |
| Royalty receivable | $ 7.0 |
| Number of days after which royalty report and payment is received | 60 days |
| Rate of royalty agreed to be paid | 7.75% |