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Fair Value of Financial Instruments and Long Term Debt
12 Months Ended
Apr. 30, 2020
Fair Value Disclosures [Abstract]  
Fair Value of Financial Instruments and Long-Term Debt FAIR VALUE OF FINANCIAL INSTRUMENTS AND LONG-TERM DEBT
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) and finance lease obligations is estimated based on the current rates offered to the Company for debt of the same or similar issues. The fair value of the Company’s long-term debt and capital lease obligations was approximately $1,341,000 and $1,272,000, respectively, at April 30, 2020 and 2019.
The carrying amount of the Company’s long-term debt and finance lease obligations by issuance is as follows: 
 
As of April 30,
 
2020
 
2019
Finance lease liabilities (Note 7)
$
16,746

 
$
16,480

5.72% Senior notes due in 14 installments beginning September 30, 2012 and ending March 30, 2020

 
15,000

5.22% Senior notes due August 9, 2020 (1)
569,000

 
569,000

3.67% Senior notes (Series A) due in 7 installments beginning June 17, 2022, and ending June 15, 2028
150,000

 
150,000

3.75% Senior notes (Series B) due in 7 installments beginning December 17, 2022 and ending December 18, 2028
50,000

 
50,000

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

 
1,285,746

 
1,300,480

Less current maturities (2)
571,244

 
17,205

 
$
714,502

 
$
1,283,275



(1)    The Company is in the process of refinancing these Senior notes, and expects to execute the applicable note purchase agreement for the refinancing in the near future shortly after the report date.

(2)     Long-term debt is presented gross in the table above, but net of unamortized debt issuance costs of $964 and $1,171 on the consolidated balance sheets for the years ended April 30, 2020 and 2019, respectively.

In January 2019, the Company entered into the Credit Facility that provides for a $300 million unsecured revolving line of credit, a $30 million sublimit for letters of credit and a $30 million sublimit for swingline loans. The Credit Facility contains an expansion option permitting the Company to request an increase of the Credit Facility from time to time up to an aggregate additional $150 million 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 maturity date is January 11, 2024. Amounts borrowed under the Credit Facility bear interest at variable rates based upon, at the Company's option, either (a) LIBOR plus an applicable margin or (b) an alternate base rate. The Credit Facility also carries a facility fee between 0.2% and 0.4% per annum based on the Company's consolidated leverage ratio as defined in the credit agreement. The Company had $120,000 and 75,000 outstanding under the line of credit at April 30, 2020 and 2019, respectively.

Concurrently with this credit agreement, the Company also reduced the Bank Line from $150,000 to $25,000. 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 (the “Index”). The interest rate to be applied to the unpaid principal balance of the Bank Line was at a rate of 1.0% over the Index. There was $0 outstanding at April 30, 2020 and 2019. The line of credit is due upon demand.
Interest expense is net of interest income of $860, $595, and $1,583 for the years ended April 30, 2020, 2019, and 2018, respectively. Interest expense is also net of interest capitalized of $5,258, $3,057, and $2,260 during the years ended April 30, 2020, 2019, and 2018, respectively.
The agreements relating to the above long-term debt contain certain operating and financial covenants. At April 30, 2020, the Company was in compliance with all such operating and financial covenants.
Listed below are the aggregate maturities of long-term debt, including finance lease obligations, for the 5 years commencing May 1, 2020 and thereafter:
 
Years ended April 30,
Finance Leases
 
Senior Notes
 
Total
2021
$
2,244

 
$
569,000

 
$
571,244

2022
2,354

 

 
2,354

2023
2,484

 
20,000

 
22,484

2024
2,060

 
32,000

 
34,060

2025
734

 
32,000

 
32,734

Thereafter
6,870

 
616,000

 
622,870

 
$
16,746

 
$
1,269,000

 
$
1,285,746