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Leases - Lessee Operating Lease Right of Use Assets and Liabilities (Parenthetical) (Detail) - USD ($)
Aug. 02, 2020
May 03, 2020
Aug. 04, 2019
Lessee Lease Description [Line Items]      
Right of use asset $ 6,443,000 $ 3,903,000 $ 6,530,000 [1]
Right of use asset 6,443,000 3,903,000 [2] 5,488,000
Noncurrent assets - Discontinued operation     23,058,000
Operating lease liabilities 6,601,000   6,400,000
Operating lease liability - current 2,387,000 1,805,000 [2] 2,270,000
Current liabilities - Discontinued operation     1,431,000
Operating lease liability - noncurrent $ 4,214,000 $ 2,016,000 [2] 3,081,000
Noncurrent liabilities - Discontinued operation     3,599,000
Right of Use Assets [Member]      
Lessee Lease Description [Line Items]      
Right of use asset     5,500,000
Noncurrent Assets Discontinued Operation [Member]      
Lessee Lease Description [Line Items]      
Noncurrent assets - Discontinued operation     1,000,000.0
Operating Lease Liability Current [Member]      
Lessee Lease Description [Line Items]      
Operating lease liability - current     2,300,000
Current Liabilities - Discontinued Operation [Member]      
Lessee Lease Description [Line Items]      
Current liabilities - Discontinued operation     186,000
Operating Lease Liability Noncurrent [Member]      
Lessee Lease Description [Line Items]      
Operating lease liability - noncurrent     3,100,000
Noncurrent Liabilities Discontinued Operation [Member]      
Lessee Lease Description [Line Items]      
Noncurrent liabilities - Discontinued operation     $ 874,000
[1] As of August 4, 2019, right of use assets totaled $6.5 million, of which $5.5 million and $1.0 million were classified as right of use asset and within noncurrent assets – discontinued operation, respectively, in the accompanying Consolidated Balance Sheet.  At August 4, 2019, operating lease liabilities totaled $6.4 million, of which $2.3 million, $186,000, $3.1 million, and $874,000 were classified as operating lease liability – current, within current liabilities – discontinued operation, operating lease liability – long-term, and within noncurrent liabilities – discontinued operation, respectively, in the accompanying Consolidated Balance Sheet.
[2] Derived from audited financial statements.