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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
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.

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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

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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

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