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Summary of Significant Accounting Policies (Derviative) (Details) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 27, 2016 USD ($) | Dec. 29, 2015 USD ($) | Dec. 30, 2014 USD ($) | Oct. 31, 2015 derivative
Derivative Instruments and Hedging Activities |  |  |  |
Number of free standing interest rate swap agreements | derivative |  |  |  | 2
Amount of hedge ineffectiveness | $ | $ 0.0 | $ 0.0 | $ 0.0 |

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- Definition The net gain (loss) recognized in earnings during the reporting period representing the amount of the cash flow hedges' ineffectiveness. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (d)(1) -URI http://asc.fasb.org/extlink&oid=64837297&loc=SL5624171-113959 + Details
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