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Basis of Presentation and Our Divisions (Schedule of Quarterly Reporting) (Details)
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3 Months Ended | 4 Months Ended | ||
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Sep. 08, 2012
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Jun. 16, 2012
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Mar. 24, 2012
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Dec. 29, 2012
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U.S. and Canada [Member]
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| Segment Reporting Information [Line Items] | ||||
| Quarterly reporting calendar, period | P12W | P12W | P12W | P16W |
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International Divisions [Member]
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| Segment Reporting Information [Line Items] | ||||
| Quarterly reporting calendar, period | June, July and August | March, April and May | January, February | September, October, November and December |