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, after accumulated amortization, of debt discount.

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Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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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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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 in the next 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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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 in 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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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 in the fourth 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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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 in the third 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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Long-Term Debt - Maturities (Details) - USD ($) $ in Thousands	Apr. 30, 2018	Apr. 30, 2017	Apr. 01, 2014
Debt maturities
2019	$ 16,284
2020	14,225
2021	12,339
2022	10,076
2023	552,327
Thereafter	830
Total	606,081
First Lien Term Loan
Debt maturities
2019	5,776
2020	5,776
2021	5,776
2022	5,776
2023	548,736
Total	571,840
Long Term Debt
Unamortized discount	2,536	$ 1,658	$ 2,000
Deferred financing costs	6,125	5,712
Installment notes
Debt maturities
2019	4,048
2020	3,292
2021	2,989
2022	2,553
2023	2,521
Thereafter	274
Total	15,677
Long Term Debt
Unamortized discount	1,534	$ 751
Capital lease obligations
Debt maturities
2019	6,460
2020	5,157
2021	3,574
2022	1,747
2023	1,070
Thereafter	556
Total	$ 18,564