Long-Term Debt - Components (Details) - USD ($) $ in Thousands	Jul. 31, 2019	Apr. 30, 2019
Long-term debt
Carrying value of debt	$ 1,161,005	$ 1,141,195
Less current portion	49,308	42,118
Long-term debt	1,111,697	1,099,077
First Lien Loan
Long-term debt
Carrying value of debt	970,754	972,650
Unamortized discount	2,059	2,149
Deferred financing costs	11,566	12,072
ABL Facility
Long-term debt
Carrying value of debt	53,673	43,972
Finance lease obligations
Long-term debt
Carrying value of debt	114,043	109,286
Installment notes
Long-term debt
Carrying value of debt	$ 19,494	$ 15,287
Interest rate	5.00%	5.00%
Unamortized discount	$ 1,127	$ 1,200
Titan Facility
Long-term debt
Carrying value of debt	$ 3,041

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
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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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