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Debt - Revolving Credit Facility/Term Loan (Details)	Oct. 31, 2022 USD ($)	Jan. 28, 2023 USD ($)	Apr. 30, 2022 USD ($)
Debt Instrument [Line Items]
Debt issuance costs	$ 600,000	$ 3,500,000	$ 900,000
Bank of America, N.A., and Wells Fargo Bank, N.A. [Member] | Revolving Credit Facility
Debt Instrument [Line Items]
Interest rate (as a percent)		6.00%
Line of credit | Bank of America, N.A., and Wells Fargo Bank, N.A. [Member] | Revolving Credit Facility
Debt Instrument [Line Items]
Maximum borrowing capacity	$ 750,000,000
Line of credit | Bank of America, N.A. | Revolving Credit Facility
Debt Instrument [Line Items]
Leverage ratio on pro forma basis	3.00
Credit agreement termination date	Oct. 31, 2027
Debt issuance costs	$ 3,200,000
Line of credit | Bank of America, N.A. | Revolving Credit Facility | Base Rate | Maximum
Debt Instrument [Line Items]
Adjusted interest rate	1.25%
Line of credit | Bank of America, N.A. | Revolving Credit Facility | Base Rate | Minimum
Debt Instrument [Line Items]
Adjusted interest rate	0.375%
Line of credit | Bank of America, N.A. | Revolving Credit Facility | SOFR Daily Floating Rate Loans | Maximum
Debt Instrument [Line Items]
Adjusted interest rate	2.25%
Line of credit | Bank of America, N.A. | Revolving Credit Facility | SOFR Daily Floating Rate Loans | Minimum
Debt Instrument [Line Items]
Adjusted interest rate	1.375%
Line of credit | Bank of America, N.A. | Revolving Credit Facility | Euro Interbank Offered Rate Plus | Maximum
Debt Instrument [Line Items]
Adjusted interest rate	2.25%
Line of credit | Bank of America, N.A. | Revolving Credit Facility | Euro Interbank Offered Rate Plus | Minimum
Debt Instrument [Line Items]
Adjusted interest rate	1.375%
Term loan | Bank of America, N.A. | Revolving Credit Facility
Debt Instrument [Line Items]
Increase in revolving commitments	$ 250,000,000

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- Definition

Debt instrument, increase in revolving commitments.

+ References

No definition available.

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- Definition

Debt instrument, maximum leverage ratio on pro forma basis.

+ References

No definition available.

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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.

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- 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.

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- Definition

Date when the debt instrument is scheduled to be fully repaid, in YYYY-MM-DD format.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(2))
-URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 1B
-Subparagraph (d)
-URI https://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
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-URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258

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- Definition

The effective interest rate at the end of the reporting period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
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- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
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The remaining balance of debt issuance expenses that were capitalized and are being amortized against income over the lives of the respective bond issues. This does not include the amounts capitalized as part of the cost of the utility plant or asset.

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