Long-Term Debt - Components (Details) - USD ($) $ in Thousands	Apr. 30, 2020	Apr. 30, 2019
Long-term debt
Carrying value of debt	$ 1,097,480	$ 1,141,195
Less current portion	50,201	42,118
Long-term debt	1,047,279	1,099,077
Term Loan Facility
Long-term debt
Carrying value of debt	866,301	972,650
Unamortized discount	1,602	2,149
Deferred financing costs	9,000	12,072
ABL Facility
Long-term debt
Carrying value of debt	80,000	43,972
Finance lease obligations
Long-term debt
Carrying value of debt	128,767	109,286
Installment notes
Long-term debt
Carrying value of debt	15,218	15,287
Unamortized discount	$ 1,098	$ 1,200
Installment notes \| Maximum
Long-term debt
Interest rate	5.00%	5.00%
Canadian Facility
Long-term debt
Carrying value of debt	$ 7,194

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

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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
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-Topic 835
-SubTopic 30
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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.

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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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