Note H - Accounts and Other Receivables, Net - Summary of Accounts and Other Receivables (Details) - USD ($) $ in Thousands	Sep. 26, 2021	Mar. 28, 2021	Mar. 29, 2020
Accounts receivable, gross, current	$ 15,112	$ 11,997
Less: allowance for doubtful accounts	295	345	$ 237
Accounts and other receivables, net	14,817	11,652
Branded Product Sales [Member]
Accounts receivable, gross, current	10,458	6,480
Franchise and License Royalties [Member]
Accounts receivable, gross, current	3,307	5,224
Other Receivables [Member]
Accounts receivable, gross, current	$ 1,347	$ 293

Amount of allowance for credit loss on accounts receivable, classified as current.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(4)
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=123577603&loc=d3e5074-111524

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=124255206&loc=SL82895884-210446

Name:	us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant