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Common Stock Repurchase Program (Detail) - Common Stock [Member] - USD ($) | 6 Months Ended |
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Oct. 29, 2023 | Oct. 30, 2022 | Mar. 31, 2020
Stockholders Equity Note [Line Items] |  |  |
Common stock repurchased | 0 | 0 |
Remaining authorized repurchase amount | $ 3,200,000 |  |
Stock Repurchase Program March 2020 [Member] |  |  |
Stockholders Equity Note [Line Items] |  |  |
Authorization amount for repurchase of common stock |  |  | $ 5,000,000

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