Long-Term Debt - Components (Details) - USD ($) $ in Thousands	Jan. 31, 2020	Apr. 30, 2019
Long-term debt
Carrying value of debt	$ 1,068,994	$ 1,141,195
Less current portion	48,688	42,118
Long-term debt	1,020,306	1,099,077
First Lien Loan
Long-term debt
Carrying value of debt	917,637	972,650
Unamortized discount	1,777	2,149
Deferred financing costs	9,981	12,072
ABL Facility
Long-term debt
Carrying value of debt	9,806	43,972
Finance lease obligations
Long-term debt
Carrying value of debt	125,827	109,286
Installment notes
Long-term debt
Carrying value of debt	$ 15,724	$ 15,287
Interest rate	5.00%	5.00%
Unamortized discount	$ 1,187	$ 1,200

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

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- Definition

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- Definition

Amount, after accumulated amortization, of debt discount.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
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- Definition

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

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
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Amount of long-term debt and lease obligation, classified as noncurrent.

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Amount of long-term debt and lease obligation, classified as current.

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