Business, Basis of Presentation and Summary of Significant Accounting Policies - Leases (Details)	Apr. 30, 2022	Apr. 30, 2021
Lessee, Lease, Description [Line Items]
Finance lease liability current, balance sheet location [Extensible List]	Current portion of long-term debt	Current portion of long-term debt
Finance lease liability noncurrent, balance sheet location [Extensible List]	Long-term Debt, Excluding Current Maturities	Long-term Debt, Excluding Current Maturities
Minimum
Lessee, Lease, Description [Line Items]
Lease term (in years)	1 year
Renewal lease term (in years)	1 year
Maximum
Lessee, Lease, Description [Line Items]
Lease term (in years)	11 years
Renewal lease term (in years)	5 years

Indicates line item in statement of financial position that includes current finance lease liability.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=123391704&loc=SL77918631-209977

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Period Type:	instant

- Definition

Indicates line item in statement of financial position that includes noncurrent finance lease liability.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	enum2:enumerationSetItemType
Balance Type:	na
Period Type:	instant

- 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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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Term of lessee's operating lease renewal, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 3
-Subparagraph (a)(3)
-URI http://asc.fasb.org/extlink&oid=123408670&loc=SL77918673-209980

+ Details

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Balance Type:	na
Period Type:	instant

- Definition

Term of lessee's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

+ Details

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Balance Type:	na
Period Type:	instant

- Details

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