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Fair Value of Financial Instruments and Long Term Debt
 12 Months Ended
Apr. 30, 2024
Fair Value Disclosures [Abstract]  
Fair Value of Financial Instruments and Long-Term Debt FAIR VALUE OF FINANCIAL INSTRUMENTS AND LONG-TERM DEBT
U.S. GAAP requires that each financial asset and liability carried at fair value be classified into one of the following of the fair value hierarchy levels, which is based upon the quality of the inputs used in the valuation. Level 1 inputs are quoted market prices in active markets for identical assets and liabilities. Level 2 inputs are observable market-based inputs or unobservable inputs that are corroborated by market data (excluding those included within Level 1). Level 3 inputs are unobservable inputs that are not corroborated by market data. The Company has not changed its valuation techniques in measuring the fair value of any financial assets and liabilities during the period. A summary of the fair value of the Company’s financial instruments follows.
Cash and cash equivalents, receivables, and accounts payable: The carrying amount approximates fair value due to the short maturity of these instruments or the recent purchase of the instruments at current rates of interest.
Long-term debt: The fair value of the Company’s long-term debt (including current maturities) is estimated based on the current rates offered to the Company for debt of the same or similar issuances which are considered Level 2 inputs. The fair value of the Company’s long-term debt was approximately $1,375,000 and $1,437,000 at April 30, 2024 and 2023, respectively. The fair value calculated excludes finance lease obligations of $101,818 and $95,072 outstanding at April 30, 2024 and 2023, respectively, which are grouped with long-term debt on the consolidated balance sheets.
Credit Agreement
In the prior fiscal year, the Company entered into a credit agreement for (a) a $250 million unsecured term loan (the “Term Loan Facility”) and (b) an $850 million unsecured revolving credit facility (the “Revolving Facility” and together with the Term Loan Facility, the “Credit Facilities”). The Term Loan Facility was used to refinance the Company's previous term loan under a prior credit agreement, and to pay fees and expenses in connection therewith. The Revolving Facility is available for working capital and other general corporate purposes of the Company and its subsidiaries.
Amounts borrowed under the Credit Facilities bear interest at variable rates based upon, at the Company’s option, either: (a) either Term SOFR or Daily Simple SOFR, in each case plus 0.10% (with a floor of 0.00%) for the interest period in effect, plus an applicable margin ranging from 1.10% to 1.70% or (b) an alternate base rate, which generally equals the highest of (i) the prime commercial lending rate announced by the Administrative Agent as its “prime rate”, (ii) the federal funds rate plus 1/2 of 1.00%, and (iii) Adjusted Daily Simple SOFR plus 1.00%, each plus an applicable margin ranging from 0.10% to 0.70% and each with a floor of 1.00%. The Revolving Facility carries a facility fee of 0.15% to 0.30% per annum. The applicable margins and facility fee, in each case, are dependent upon the Company’s quarterly Consolidated Leverage Ratio, as defined in the credit agreement.
The outstanding principal balance on the Term Loan Facility is required to be repaid in equal quarterly installments in an amount equal to 1.25% of the original principal amount, on the last day of each March, June, September, and December, with the balance of the Credit Facilities due on April 21, 2028. The credit agreement contains an expansion option permitting the Company to request an increase of either of the Credit Facilities from time to time not to exceed the greater of (a) $900 million and (b) 100% of Consolidated EBITDA (as defined in the credit agreement) of the Company for the four most recently completed fiscal quarters, from the lenders or other financial institutions acceptable to the Company and the administrative agent, upon the satisfaction of certain conditions, including the consent of the lenders whose commitments would increase.
The Company had $0 outstanding on the Revolving Facility at April 30, 2024 and 2023, and $237,500 and $250,000 outstanding on the Term Loan Facility at April 30, 2024 and 2023, respectively.
Bank Line
The Company has an additional unsecured bank line of credit (the "Bank Line") with availability of up to $50,000. As of April 30, 2024, the availability under the Bank Line is encumbered by letters of credits totaling $308. The Bank Line bears
interest at a variable rate subject to change from time to time based on changes in an independent index referred to in the Bank Line as the Federal Funds Offered Rate. There was $0 outstanding under the Bank Line at April 30, 2024 and 2023. The Bank Line is due upon demand.
The carrying amount of the Company’s long-term debt and finance lease obligations by issuance is as follows: 
 As of April 30,
 20242023
Finance lease liabilities (Note 7)$101,818 $95,072 
3.67% Senior Notes (Series A) due in 7 installments beginning June 17, 2022, and ending June 15, 2028
111,000 135,000 
3.75% Senior Notes (Series B) due in 7 installments beginning December 17, 2022 and ending December 18, 2028
37,000 45,000 
3.65% Senior Notes (Series C) due in 7 installments beginning May 2, 2025 and ending May 2, 2031
50,000 50,000 
3.72% Senior Notes (Series D) due in 7 installments beginning October 28, 2025 and ending October 28, 2031
50,000 50,000 
3.51% Senior Notes (Series E) due June 13, 2025
150,000 150,000 
3.77% Senior Notes (Series F) due August 22, 2028
250,000 250,000 
2.85% Senior Notes (Series G) due August 7, 2030
325,000 325,000 
2.96% Senior Notes (Series H) due August 6, 2032
325,000 325,000 
Variable rate term loan facility, requiring quarterly installments ending April 21, 2028237,500 250,000 
Debt issuance costs(1,379)(1,698)
$1,635,939 $1,673,374 
Less current maturities53,181 52,861 
$1,582,758 $1,620,513 
Interest, net on the consolidated statements of income is net of interest income of $11,736, $7,823, and $48 for the years ended April 30, 2024, 2023, and 2022, respectively. Interest, net is also net of interest capitalized of $3,363, $3,631, and $2,031 during the years ended April 30, 2024, 2023, and 2022, respectively.
The agreements relating to the above long-term debt contain certain operating and financial covenants. At April 30, 2024, the Company was in compliance with all such operating and financial covenants.
Listed below are the aggregate maturities of long-term debt, excluding finance lease obligations (refer to Note 7 for future minimum payments under finance leases), for the 5 years commencing May 1, 2024 and thereafter:
 
Years ended April 30,
2025$44,500 
2026204,500 
202760,500 
2028248,000 
2029286,000 
Thereafter692,000 
$1,535,500