Debt and Available Credit Facilities (Details) - USD ($) $ in Thousands		3 Months Ended	12 Months Ended
	Nov. 30, 2022	Jan. 31, 2023	Apr. 30, 2023	Apr. 30, 2022	Apr. 30, 2021
Components of Total Debt Outstanding [Abstract]
Short-term portion of long-term debt			$ 5,000	$ 18,750
Long-term debt			743,292	768,277
Total debt			748,292	787,027
Unamortized debt issuance costs			700	300
Annual Maturities of Long-term Debt, Including Short-term Portion [Abstract]
2024			5,000
2025			12,500
2026			22,500
2027			35,000
2028			674,035
Total			749,035
Debt and Available Credit Facilities [Abstract]
Payments of debt issuance costs			4,493	0	$ 0
Amended and Restated RCA
Debt and Available Credit Facilities [Abstract]
Amortization expense of the lender and non-lender fees in interest expense			1,100	1,100	$ 1,100
Term Loan A Facility | Amended and Restated RCA
Components of Total Debt Outstanding [Abstract]
Long-term debt			191,757	204,343
Debt and Available Credit Facilities [Abstract]
Term of credit facility	5 years
Debt instrument, face amount	$ 200,000
Debt issuance costs, line of credit arrangements, net		$ 800
Debt issuance costs line of credit arrangements net lender fees		800
Debt issuance costs, non-lender fees		100
Revolving Credit Facility | Amended and Restated RCA
Components of Total Debt Outstanding [Abstract]
Long-term debt			551,535	$ 563,934
Debt and Available Credit Facilities [Abstract]
Term of credit facility	5 years
Line of credit facility, maximum borrowing capacity	$ 1,115,000
Payments of debt issuance costs		4,500
Debt issuance costs, line of credit arrangements, net		5,800
Write off of deferred debt issuance cost		(200)
Revolving Credit Facility | Amended and Restated RCA | Secured Overnight Financing Rate | Minimum
Debt and Available Credit Facilities [Abstract]
Debt instrument, basis spread on variable rate	0.10%
Revolving Credit Facility | Amended and Restated RCA | Secured Overnight Financing Rate | Maximum
Debt and Available Credit Facilities [Abstract]
Debt instrument, basis spread on variable rate	0.25%
Line of Credit
Debt and Available Credit Facilities [Abstract]
Line of credit facility, maximum borrowing capacity			1,500,000
Line of credit facility, remaining borrowing capacity			$ 700,000
Weighted average interest rate on total debt outstanding during the period			4.05%	2.02%
Debt, weighted average interest rate			4.76%	2.55%
Revolving Credit Facility Through May 2024 | Amended and Restated RCA
Debt and Available Credit Facilities [Abstract]
Term of credit facility			18 months
Line of credit facility, maximum borrowing capacity	$ 185,000
Debt issuance costs, line of credit arrangements, net		200
Revolving Credit Facility Through November 2027 | Amended and Restated RCA
Debt and Available Credit Facilities [Abstract]
Term of credit facility			5 years
Debt issuance costs, line of credit arrangements, net		$ 4,800
Syndicate Bank Group led by Bank of America | Revolving Credit Facility | Amended and Restated RCA
Debt and Available Credit Facilities [Abstract]
Optional credit limit increase available on request	500,000
Minimum increments in which optional credit limit increase may be requested	$ 50,000
Syndicate Bank Group led by Bank of America | Revolving Credit Facility | Amended and Restated RCA | Minimum
Debt and Available Credit Facilities [Abstract]
Line of credit facility fee percentage	0.15%
Syndicate Bank Group led by Bank of America | Revolving Credit Facility | Amended and Restated RCA | Maximum
Debt and Available Credit Facilities [Abstract]
Line of credit facility fee percentage	0.25%
Syndicate Bank Group led by Bank of America | Revolving Credit Facility | Amended and Restated RCA | SOFR SONIA And EURIBOR Based Rates | Minimum
Debt and Available Credit Facilities [Abstract]
Applicable margin	0.98%
Syndicate Bank Group led by Bank of America | Revolving Credit Facility | Amended and Restated RCA | SOFR SONIA And EURIBOR Based Rates | Maximum
Debt and Available Credit Facilities [Abstract]
Applicable margin	1.50%
Syndicate Bank Group led by Bank of America | Revolving Credit Facility | Amended and Restated RCA | Base Rate
Debt and Available Credit Facilities [Abstract]
Margin rate over reference rate used in determining base rate	0.50%
Syndicate Bank Group led by Bank of America | Revolving Credit Facility | Amended and Restated RCA | Base Rate | Minimum
Debt and Available Credit Facilities [Abstract]
Applicable margin	0.00%
Syndicate Bank Group led by Bank of America | Revolving Credit Facility | Amended and Restated RCA | Daily Secured Overnight Financing Rate SOFR
Debt and Available Credit Facilities [Abstract]
Margin rate over reference rate used in determining base rate	1.00%
Syndicate Bank Group led by Bank of America | Revolving Credit Facility | Amended and Restated RCA | Federal Funds Effective Rate | Maximum
Debt and Available Credit Facilities [Abstract]
Applicable margin			0.50%
Other Credit Facilities | Line of Credit
Debt and Available Credit Facilities [Abstract]
Line of credit facility, maximum borrowing capacity			$ 1,000
Outstanding borrowings under revolving credit facilities			$ 0	$ 0