The number of incremental loans allowed under the terms of the debt agreement.

No definition available.

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- Definition

The required periodic payments applied to principal as a percentage of the original principal at time of issuance.

+ References

No definition available.

+ Details

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- Definition

Face (par) of amount incremental loan as permitted under the debt agreement.

+ References

No definition available.

+ Details

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- Definition

Represents the floor of the variable rate on the debt instrument.

+ References

No definition available.

+ Details

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- Definition

Write-off of amounts previously capitalized as debt issuance cost and unamortized debt discount (net of debt premium) that was originally recognized at the issuance of the instrument in an extinguishment of debt.

+ References

No definition available.

+ Details

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- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

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Data Type:	num:percentItemType
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- Definition

Face (par) amount of debt instrument at time of issuance.

+ 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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-Section 55
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-URI http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Description of the frequency of periodic payments (monthly, quarterly, annual).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
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-Paragraph 1
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- Definition

Incremental percentage increase (decrease) in the stated rate on a debt instrument.

+ References

No definition available.

+ Details

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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- Definition

Amount of the required periodic payments applied to principal.

+ References

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The interest rate applicable to the portion of the carrying amount of long-term borrowings outstanding as of the balance sheet date, including current maturities, which accrues interest at a rate subject to change from time to time.

+ References

+ Details

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The cash outflow to repay long-term debt that is wholly or partially secured by collateral. Excludes repayments of tax exempt secured debt.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3291-108585

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Details

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Long-Term Debt - Acquisition Debt (Details) $ in Thousands					12 Months Ended
Long-Term Debt - Acquisition Debt (Details) $ in Thousands	Jun. 01, 2018 USD ($)	Jun. 07, 2017 USD ($)	Sep. 27, 2016 USD ($)	Jun. 01, 2016 USD ($)	Apr. 30, 2019 USD ($) loan	Apr. 30, 2018 USD ($)	Apr. 30, 2017 USD ($)
Long-term debt
Loan repayment							$ 160,000
Write-off of debt discount and deferred financing fees						$ 74	7,103
Second Lien Term Loan
Long-term debt
Loan repayment				$ 160,000
Write-off of debt discount and deferred financing fees							5,400
First Lien Loan
Long-term debt
Aggregate principal amount					$ 550,000
Loan repayment	$ 571,800	$ 477,600
First Lien Term Loan
Long-term debt
Loan repayment			$ 381,200
Loan amortization installment frequency					quarterly
Loan amortization installments					$ 2,500
Loan amortization installments (as a percent)					0.25%
First Lien Term Loan \| Minimum
Long-term debt
Number of incremental loans \| loan					1
First Lien Term Loan \| Maximum
Long-term debt
Fixed amount of incremental loan					$ 100,000
Incremental First Lien Term Commitments Amendment
Long-term debt
Aggregate principal amount			$ 481,200
Reduction to interest rate margin at each pricing level (as a percent)			(25.00%)
Write-off of debt discount and deferred financing fees							$ 1,500
Incremental First Lien Term Commitments Amendment \| LIBOR
Long-term debt
Margin added to variable rate (as a percent)			3.50%
Variable rate floor (as a percent)			1.00%
Second amendment to First Lien Credit Agreement
Long-term debt
Aggregate principal amount		$ 577,600
Reduction to interest rate margin at each pricing level (as a percent)		(50.00%)
Write-off of debt discount and deferred financing fees						$ 100
Second amendment to First Lien Credit Agreement \| LIBOR
Long-term debt
Margin added to variable rate (as a percent)		3.00%
Variable rate floor (as a percent)		1.00%
Third Amendment
Long-term debt
Aggregate principal amount	$ 996,800
Borrowing interest rate (as a percent)					5.23%
Third Amendment \| LIBOR
Long-term debt
Margin added to variable rate (as a percent)	2.75%
Variable rate floor (as a percent)	0.00%
ABL Facility
Long-term debt
Loan repayment					$ 94,000
Borrowing interest rate (as a percent)					5.75%