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Employee Benefits - Total Costs Associated with Plans (Details) - USD ($) $ in Thousands | 12 Months Ended
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Apr. 29, 2023 | Apr. 30, 2022 | Apr. 24, 2021
401(k) Retirement Plan |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |
Labor and related expense | $ 12,877 | $ 11,763 | $ 7,313
Performance Compensation Retirement Plan |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |
Labor and related expense | 160 | 1,654 | 3,810
Deferred Compensation Plan |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |
Labor and related expense | 202 | 242 | 24
Non-Qualified Defined Benefit Retirement Plan |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |
Labor and related expense | $ 748 | $ 763 | $ 803

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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 https://asc.fasb.org/extlink&oid=126953954&loc=SL114868664-224227 + Details
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