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Net Income Per Common Unit (Details) | 3 Months Ended
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Dec. 27, 2014 | Dec. 28, 2013
Net Income Per Common Unit [Abstract] |  |
Increase in weighted average units outstanding used to compute basic net income per Common Unit to reflect the potential dilutive effect of the unvested restricted units outstanding (in units) | 273,111 us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment | 230,329 us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment

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- Details
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Namespace Prefix: | us-gaap_
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- Definition The sum of dilutive potential common shares or units used in the calculation of the diluted per-share or per-unit computation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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