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Significant Accounting Policies (Details) $ in Millions | 6 Months Ended |  |
--- | --- | --- | ---
Jul. 04, 2015 USD ($) weeks | Dec. 31, 2014 USD ($) | Jun. 28, 2014 USD ($)
Accounting Policies [Abstract] |  |  |
Number Of Weeks Spanning Fiscal Quarters (in number of weeks) | 13 |  |
Debt issuance cost | $ | $ 3.6 | $ 3.9 | $ 4.1

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- Definition Number of weeks spanning a fiscal quarter ending on the Saturday closest to the end of the thirteen-week period. + References No definition available. + Details
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- Definition The remaining balance of debt issuance expenses that were capitalized and are being amortized against income over the lives of the respective bond issues. This does not include the amounts capitalized as part of the cost of the utility plant or asset. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.17) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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