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Income Taxes - Uncertain Income Tax Positions - Narrative (Detail) - USD ($)	Oct. 31, 2021	May 02, 2021	Nov. 01, 2020
Income Taxes [Line Items]
Unrecognized tax benefits	$ 1,400,000	$ 1,400,000	$ 1,400,000
Unrecognized tax benefits that would favorably impact effective income tax rate if recognized	1,100,000	1,100,000	1,100,000
Non-current Deferred Income Taxes [Member]
Income Taxes [Line Items]
Unrecognized tax benefits	380,000	380,000	380,000
Income Taxes Payable - Long-Term [Member]
Income Taxes [Line Items]
Unrecognized tax benefits	$ 1,100,000	$ 1,100,000	$ 1,100,000