Income Taxes - Income (Loss) before Income Taxes Related to Foreign and U.S. Operations (Detail) - USD ($) $ in Thousands	12 Months Ended
May 02, 2021	May 03, 2020	Apr. 28, 2019
Income Taxes [Line Items]
income (loss) before income taxes, foreign	$ 15,583	$ 6,919	$ 15,667
income (loss) before income taxes from continuing operations	10,880	(7,679)	12,722
China [Member]
Income Taxes [Line Items]
income (loss) before income taxes, foreign	10,007	8,316	9,899
Canada [Member]
Income Taxes [Line Items]
income (loss) before income taxes, foreign	4,764	(1,391)	5,488
Haiti [Member]
Income Taxes [Line Items]
income (loss) before income taxes, foreign	817
Cayman Islands [Member]
Income Taxes [Line Items]
income (loss) before income taxes, foreign	(5)	(6)	280
United States [Member]
Income Taxes [Line Items]
income (loss) before income taxes, domestic	$ (4,703)	$ (14,598)	$ (2,945)

Income Taxes [Line Items]

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The portion of earnings or loss from continuing operations before income taxes that is attributable to domestic operations.

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The portion of earnings or loss from continuing operations before income taxes that is attributable to foreign operations, which is defined as Income or Loss generated from operations located outside the entity's country of domicile.

+ References

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Amount of income (loss) from continuing operations before deduction of income tax expense (benefit) and income (loss) attributable to noncontrolling interest, and addition of income (loss) from equity method investments.

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