Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5047-113901

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 14.F)
-URI http://asc.fasb.org/extlink&oid=115993241&loc=d3e301413-122809

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(1)(i)
-URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901

Name:	us-gaap_AllocatedShareBasedCompensationExpense
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

2011 EQUITY INCENTIVE PLAN (Narrative) (Details) - USD ($)	3 Months Ended		12 Months Ended
	Jun. 28, 2019	Jun. 28, 2018	Mar. 29, 2021	Mar. 29, 2020
Recognition of stock compensation expense	$ 8,462
Stock options granted on August 15, 2016 [Member]
Recognition of stock compensation expense	2,798	$ 2,798
Stock options granted on October 26, 2018 [Member]
Recognition of stock compensation expense	$ 5,664
Stock Option [Member] \| Subsequent Event [Member]
Unrecognized stock-based compensation expense			$ 16,992	$ 25,454