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Summary of Significant Accounting Policies, Revenue (Details) $ in Thousands	12 Months Ended
	Dec. 25, 2018 USD ($)
ASU 2014-09 (Topic 606)
Cumulative effect on retained earnings	$ 878

X

- Definition

Amount of the cumulative effect on retained earnings net of related income tax effect.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 250
-SubTopic 10
-Section 50
-Paragraph 9
-URI http://asc.fasb.org/extlink&oid=109234566&loc=d3e22663-107794

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