Significant Accounting Policies - Accounts Receivables by Type (Details) - USD ($) $ in Thousands	Apr. 30, 2023	Apr. 30, 2022
Accounts, Notes, Loans and Financing Receivable [Line Items]
Receivables	$ 120,547	$ 108,028
Credit Card Receivable
Accounts, Notes, Loans and Financing Receivable [Line Items]
Receivables	46,851	57,724
Vendor Rebates
Accounts, Notes, Loans and Financing Receivable [Line Items]
Receivables	54,979	40,045
Other Receivables
Accounts, Notes, Loans and Financing Receivable [Line Items]
Receivables	$ 18,717	$ 10,259