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Description of Business and Summary of Significant Accounting Policies Life Insurance Contracts (Details) $ in Millions | Dec. 26, 2015 USD ($) contract | Dec. 27, 2014 USD ($) contract
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Description of Business and Summary of Significant Accounting Policies [Abstract] |  |
Life insurance contracts, number of contracts | contract | 42 | 40
Life insurance contracts, face value | $ | $ 60.5 | $ 68.2

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- Definition Description of Business and Summary of Significant Accounting Policies [Abstract] + References No definition available. + Details
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- Definition Face value (death benefits) of the life insurance policies underlying the life settlement contracts accounted for under the investment method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Life Settlement Contract -URI http://asc.fasb.org/extlink&oid=6516907 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 325 -SubTopic 30 -Section 50 -Paragraph 4 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=50487048&loc=d3e42674-111610 + Details
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- Definition Number of life settlement contracts accounted for under the investment method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Life Settlement Contract -URI http://asc.fasb.org/extlink&oid=6516907 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 325 -SubTopic 30 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=50487048&loc=d3e42674-111610 + Details
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