Long-Term Debt - Components (Details) - USD ($) $ in Thousands	Jan. 31, 2023	Apr. 30, 2022
Long-term debt
Long-term debt, gross	$ 1,230,634
Finance lease obligations	131,690	$ 120,138
Carrying value of debt	1,223,480	1,184,190
Less current portion	54,222	47,605
Long-term debt	1,169,258	1,136,585
Term Loan Facility
Long-term debt
Long-term debt, gross	500,780	504,613
Unamortized discount and deferred financing costs	(2,719)	(3,581)
Senior Notes
Long-term debt
Long-term debt, gross	350,000	350,000
Unamortized discount and deferred financing costs	$ (4,280)	(4,836)
Interest rate	4.625%
ABL Facility
Long-term debt
Long-term debt, gross	$ 240,000	211,134
Installment Notes
Long-term debt
Long-term debt, gross	8,164	7,086
Unamortized discount	$ (155)	$ (364)
Interest rate	5.00%

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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Contractual interest rate for funds borrowed, under the debt agreement.

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Amount, after accumulated amortization, of debt discount.

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Present value of lessee's discounted obligation for lease payments from finance lease.

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