Significant Accounting Policies - 10K - Other Narrative (Details) $ in Thousands	3 Months Ended	5 Months Ended	6 Months Ended	12 Months Ended
Oct. 15, 2023 USD ($)	Oct. 09, 2022 USD ($)	Oct. 15, 2023 USD ($)	Oct. 09, 2022 USD ($)	Apr. 30, 2023 USD ($) location	Apr. 24, 2022 USD ($)	Apr. 25, 2021 USD ($)
Accounting Policies [Abstract]
Credit and debit card receivables	$ 1,417		$ 1,417		$ 1,381	$ 1,374	$ 1,381
Employee retention credits					0	7,852	4,019
Impairment charge					2,363	0	0
Pre-opening expenses	$ 3,026	$ 459	$ 5,304	$ 985	$ 4,935	$ 0	$ 0
New locations under construction \| location					6

The aggregate amount of write-downs for impairments recognized during the period for long lived assets held for use (including those held for disposal by means other than sale).

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 28
-Subparagraph (b)
-SubTopic 10
-Topic 230
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482740/230-10-45-28

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 360
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482099/360-10-50-2

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 45
-Paragraph 4
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482130/360-10-45-4

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