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Common Stock Repurchase Program (Detail) - Common Stock [Member] - USD ($) | 6 Months Ended |
--- | --- | ---
Nov. 01, 2020 | Nov. 03, 2019 | Mar. 31, 2020
Stockholders Equity Note [Line Items] |  |  |
Common stock repurchased | 0 | 0 |
Remaining authorized repurchase amount | $ 5,000,000.0 |  |
Stock Repurchase Program March 2020 [Member] |  |  |
Stockholders Equity Note [Line Items] |  |  |
Authorization amount for repurchase of common stock |  |  | $ 5,000,000.0

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- Definition Amount of stock repurchase plan authorized. + References No definition available. + Details
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- Definition Amount remaining of a stock repurchase plan authorized. + References No definition available. + Details
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