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Accumulated Other Comprehensive (Loss) Income and Reclassifications Adjustments - Taxes (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Jan. 28, 2023	Jan. 29, 2022	Jan. 28, 2023	Jan. 29, 2022	Apr. 30, 2022	Apr. 30, 2021
Accumulated other comprehensive income
Unrealized losses, tax portion	$ 0	$ 1	$ 0	$ 1
Accumulated Other Comprehensive (Loss) Income
Accumulated other comprehensive income
Other Comprehensive Income (Loss), Tax			$ 0	$ 2	$ 8	$ 1

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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- Definition

Amount of tax expense (benefit), after reclassification adjustments, of appreciation (loss) in value of unsold available-for-sale securities, attributable to parent entity. Excludes amounts related to other than temporary impairment (OTTI) loss.

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Amount of tax expense (benefit) allocated to other comprehensive income (loss).

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