XML 95 R80.htm IDEA: XBRL DOCUMENT v3.20.2
Income Taxes - Summary of Valuation Allowances Against Net Deferred Income Taxes (Detail) - USD ($)
$ in Thousands
Nov. 01, 2020
May 03, 2020
Nov. 03, 2019
Valuation Allowance [Line Items]      
Valuation allowance $ 10,824 $ 3,148 $ 711
Capital Loss Carry Forwards and Credits [Member]      
Valuation Allowance [Line Items]      
Valuation allowance 2,281 2,281  
Federal and State [Member] | Deferred Income Tax Assets [Member]      
Valuation Allowance [Line Items]      
Valuation allowance $ 8,543 $ 867 $ 711