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Significant Accounting Policies (Details)
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3 Months Ended |
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Mar. 31, 2012
weeks
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| Accounting Policies [Abstract] | |
| Number of weeks spanning fiscal quarters (in numbers of weeks) | 13 |
| X | ||||||||||
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- Definition
Number of weeks spanning a fiscal quarter ending on the Saturday closest to the end of thirteen-week period. No definition available.
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| X | ||||||||||
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- Details
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