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Basis of Presentation and Our Divisions (Schedule of Quarterly Reporting) (Details) | 3 Months Ended | 4 Months Ended
--- | --- | ---
Sep. 05, 2015 | Jun. 13, 2015 | Mar. 21, 2015 | Dec. 26, 2015
U.S. and Canada |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Quarterly reporting calendar, period | P12W | P12W | P12W | P16W
International Divisions |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Quarterly reporting calendar, period | June, July and August | March, April and May | January, February | September, October, November and December

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