Long-Term Debt - Maturities (Details) - USD ($) $ in Thousands	Apr. 30, 2020	Apr. 30, 2019
Debt maturities
2021	$ 50,372
2022	46,953
2023	48,628
2024	31,723
2025	100,770
Thereafter	830,734
Total	1,109,180
First Lien Term Loan
Debt maturities
2021	9,968
2022	9,968
2023	9,968
2024	9,968
2025	9,968
Thereafter	827,063
Total	876,903
Long Term Debt
Unamortized discount	1,602
Term Loan Facility
Long Term Debt
Unamortized discount	1,602	$ 2,149
Deferred financing costs	9,000	12,072
ABL Facility
Debt maturities
2025	80,000
Total	80,000
Finance lease obligations
Debt maturities
2021	35,530
2022	32,547
2023	27,062
2024	19,974
2025	9,983
Thereafter	3,671
Total	128,767
Installment notes
Debt maturities
2021	4,874
2022	4,438
2023	4,404
2024	1,781
2025	819
Total	16,316
Long Term Debt
Unamortized discount	1,098	$ 1,200
Canadian Facility
Debt maturities
2023	7,194
Total	7,194
Installment notes
Long Term Debt
Unamortized discount	$ 1,098

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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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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