1. Background and Basis of Presentation (Details Narrative)	12 Months Ended
Dec. 29, 2018 USD ($) W	Dec. 30, 2017 USD ($) W	Sep. 28, 2018 USD ($)	Jun. 30, 2018 USD ($)	Mar. 31, 2018 USD ($)
Number of weeks reflected in operating results \| W	52	52
Undiscounted lease payments \| $	$ 5,500	$ 7,000	$ 5,300	$ 5,900	$ 6,400
ARCA Advanced Processing, LLC [Member]
Interest in a joint venture (as a percent)	50.00%

Represents the number of weeks reflected in the operating results.

No definition available.

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- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=114001798&loc=d3e33918-111571

+ Details

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- Definition

Amount of lessee's undiscounted obligation for lease payments in excess of discounted obligation for lease payments for finance lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918701-209980

+ Details

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