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Employee Benefits - Total Costs Associated with Plans (Details) - USD ($) $ in Thousands	12 Months Ended
	Apr. 30, 2022	Apr. 24, 2021	Apr. 25, 2020
401(k) Retirement Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Labor and related expense	$ 11,763	$ 7,313	$ 9,380
Performance Compensation Retirement Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Labor and related expense	1,654	3,810	1,115
Deferred Compensation Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Labor and related expense	242	24	719
Non-Qualified Defined Benefit Retirement Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Labor and related expense	$ 763	$ 803	$ 796

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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- Definition

Amount of expense for salary, wage, profit sharing; incentive and equity-based compensation; and other employee benefit.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03(b)(4))
-URI http://asc.fasb.org/extlink&oid=123367319&loc=SL114868664-224227

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