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Commitments and Contingencies (Details Textual) $ in Millions | 9 Months Ended
--- | ---
Jan. 31, 2025 USD ($) letterOfCredit | Jan. 31, 2024 USD ($) letterOfCredit
Lessee, Lease, Description [Line Items] |  |
Operating lease, percent of facilities leased | 87.00% |
Operating lease, rent expense | $ 7.8 | $ 6.6
Operating lease, weighted average discount rate | 4.90% |
Number of standby letters of credit | letterOfCredit | 2 | 2
Standby letters of credit, outstanding | $ 4.4 | $ 3.9
Minimum | Dealership Leases |  |
Lessee, Lease, Description [Line Items] |  |
Operating lease, term | 3 years |
Maximum | Dealership Leases |  |
Lessee, Lease, Description [Line Items] |  |
Operating lease, term | 5 years |

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 7A -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478964/842-20-50-7A Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org/1943274/2147478964/842-20-50-3 + Details
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- Definition Term of lessee's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (a)(3) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478964/842-20-50-3 + Details
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- Definition Amount of operating lease expense. Excludes sublease income. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 4 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479041/842-20-45-4 + Details
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