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Stock-Based Compensation - Time Based Restricted Stock Unit Activity (Detail) - Time Vested Restricted Stock Awards [Member] - shares		12 Months Ended
		Apr. 27, 2025	Apr. 28, 2024	Apr. 30, 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
outstanding at beginning of year		308,927	285,826	210,284
granted		91,629	174,753	119,687
vested	[1]	(103,320)	(151,652)	(32,799)
forfeited		(35,088)		(11,346)
outstanding at end of year		262,148	308,927	285,826
[1] During fiscal 2025, time-based restricted stock units totaling 103,320 vested at a fair value of $581,000, or $5.63 per share. During fiscal 2024, time-based restricted stock units totaling 151,652 vested at a fair value of $857,000, or $5.65 per share. During fiscal 2023, time-based restricted stock units totaling 32,799 vested at a fair value of $167,000, or $5.10 per share.

X

- Definition

The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.

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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

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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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