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Consolidated Statements of Comprehensive (Loss) Income (Parenthetical) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Jan. 29, 2022
Jan. 30, 2021
Jan. 29, 2022
Jan. 30, 2021
Consolidated Statements of Comprehensive (Loss) Income        
Unrealized (loss) gain on available-for-sale investments, deferred tax benefit $ 1 $ 2 $ 1 $ 2