Deferred Stock Activity (Detail) - Deferred Stock $ / shares in Units, shares in Thousands, $ in Thousands	4 Months Ended
Apr. 24, 2021 USD ($) $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of Shares, Balance at beginning of period \| shares	52
Number of Shares, Granted \| shares	2
Number of shares, Balance at end of period \| shares	54
Weighted Average Fair Value, Balance at beginning of period \| $ / shares	$ 23.21
Weighted Average Fair Value, Granted \| $ / shares	22.63
Weighted Average Fair Value, Balance at end of period \| $ / shares	$ 23.19
Weighted Average Remaining Contractual Term (Years)	2 months 23 days
Unrecognized compensation cost \| $	$ 149

Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

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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 weighted average fair value at grant date for nonvested equity-based awards issued 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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Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options.

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Weighted average remaining contractual term for equity-based awards excluding options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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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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