Leases - Lease Assets (Details) - USD ($) $ in Thousands	Apr. 30, 2022	Apr. 30, 2021
Lessee, Lease, Description [Line Items]
Finance lease right-of-use assets	$ 75,060	$ 22,413
Property and equipment
Lessee, Lease, Description [Line Items]
Finance lease right-of-use assets	59,677	11,711
Other assets
Lessee, Lease, Description [Line Items]
Operating lease right-of-use assets	$ 104,579	$ 20,145

Amount, after accumulated amortization, of right-of-use asset from finance lease.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 45
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=123391704&loc=SL77918627-209977

+ Details

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Balance Type:	debit
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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Period Type:	duration

- Definition

Amount of lessee's right to use underlying asset under operating lease.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Details

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Namespace Prefix:
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- Details

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