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Retirement Plans (Assumptions Used) (Details) | Dec. 27, 2014 | Dec. 28, 2013
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Retirement Plans [Abstract] |  |
Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate | 7.50%us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate | 7.50%us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate

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- Definition The interest rate used to adjust for the time value of money for the plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (k)(1) -URI http://asc.fasb.org/extlink&oid=35743120&loc=d3e1928-114920 + Details
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Balance Type: | na
Period Type: | instant

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- Details
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