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Leases - Narrative (Detail) - USD ($) | 3 Months Ended | 9 Months Ended
--- | --- | ---
Jan. 31, 2021 | Feb. 02, 2020 | Jan. 31, 2021 | Feb. 02, 2020
Lessee, Operating Lease, Option to Extend |  |  | renewal options for additional periods ranging up to ten years |
Operating Lease Expenses | $ 713,000 | $ 726,000 | $ 2,100,000 | $ 2,100,000
Minimum [Member] |  |  |  |
Operating Lease Remaining Lease Terms |  |  | 1 year |
Maximum [Member] |  |  |  |
Operating Lease Remaining Lease Terms |  |  | 4 years |

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- Definition Operating lease remaining lease term. + References No definition available. + Details
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- Definition Amount of lease cost recognized by lessee for lease contract. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=121609121&loc=SL77918686-209980 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 55 -Paragraph 53 -URI http://asc.fasb.org/extlink&oid=121568110&loc=SL77918982-209971 + Details
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- Definition Description of terms and conditions of option to extend lessee's operating lease. Includes, but is not limited to, information about option recognized as part of right-of-use asset and lease liability. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=121609121&loc=SL77918673-209980 + Details
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- Details
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- Details
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