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Fair Value of Financial Instruments and Long Term Debt | 12 Months Ended
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Apr. 30, 2017
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 and capital 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 $941,000 and $887,000, respectively, at April 30, 2017 and 2016. The Company’s long-term debt at carrying amount by issuance is as follows:
| As of April 30,
| 2017 |  | 2016
Capitalized lease obligations discounted at 3.70% to 6.00% due in various monthly installments through 2048 (Note 7) | $ | 8,777 |  |  | $ | 9,244 |
5.72% Senior notes due in 14 installments beginning September 30, 2012 and ending March 30, 2020 | 45,000 |  |  | 60,000 |
5.22% Senior notes due August 9, 2020 | 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 |  |  | — |
3.72% Senior notes (Series D) due in 7 installments beginning October 28, 2025 and ending October 28, 2031 | 50,000 |  |  | — |
| 922,777 |  |  | 838,244 |
Less current maturities | 15,421 |  |  | 15,375 |
| $ | 907,356 |  |  | $ | 822,869 |
At April 30, 2017, the Company had a bank line of credit arrangement consisting of two Promissory Notes, in the principal amount of $50,000 each (together, the “Notes”). The Notes evidenced a revolving line of credit in the aggregate principal amount of $100,000 and bear interest at variable rates subject to change from time to time based on changes in an independent index referred to in the Notes as the Federal Funds Offered Rate (the “Index”). The interest rate to be applied to the unpaid principal balance of the first Note was at a rate of 0.750% over the Index. The interest rate applicable to the second note is 1.000% over the Index. There was a $900 balance owed on the Notes at April 30, 2017 and $0 at April 30, 2016. The line of credit is due upon demand. Interest expense is net of interest income of $588, $157, and $158 for the years ended April 30, 2017, 2016, and 2015, respectively. Interest expense is also net of interest capitalized of $1,470, $1,134, and $1,209 during the years ended April 30, 2017, 2016, and 2015, respectively. The agreements relating to the above long-term debt contain certain operating and financial covenants. At April 30, 2017, the Company was in compliance with all such operating and financial covenants. Listed below are the aggregate maturities of long-term debt, including capitalized lease obligations, for the 5 years commencing May 1, 2017 and thereafter:
Years ended April 30, | Capital Leases |  | Senior Notes |  | Total
2018 | $ | 421 |  |  | $ | 15,000 |  |  | $ | 15,421 |
2019 | 444 |  |  | 15,000 |  |  | 15,444 |
2020 | 468 |  |  | 15,000 |  |  | 15,468 |
2021 | 494 |  |  | 569,000 |  |  | 569,494 |
2022 | 455 |  |  | — |  |  | 455 |
Thereafter | 6,495 |  |  | 300,000 |  |  | 306,495 |
| $ | 8,777 |  |  | $ | 914,000 |  |  | $ | 922,777 |

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- Definition The entire disclosure for the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments as well as disclosures related to the fair value of non-financial assets and liabilities. Such disclosures about the financial instruments, assets, and liabilities would include: (1) the fair value of the required items together with their carrying amounts (as appropriate); (2) for items for which it is not practicable to estimate fair value, disclosure would include: (a) information pertinent to estimating fair value (including, carrying amount, effective interest rate, and maturity, and (b) the reasons why it is not practicable to estimate fair value; (3) significant concentrations of credit risk including: (a) information about the activity, region, or economic characteristics identifying a concentration, (b) the maximum amount of loss the entity is exposed to based on the gross fair value of the related item, (c) policy for requiring collateral or other security and information as to accessing such collateral or security, and (d) the nature and brief description of such collateral or security; (4) quantitative information about market risks and how such risks are managed; (5) for items measured on both a recurring and nonrecurring basis information regarding the inputs used to develop the fair value measurement; and (6) for items presented in the financial statement for which fair value measurement is elected: (a) information necessary to understand the reasons for the election, (b) discussion of the effect of fair value changes on earnings, (c) a description of [similar groups] items for which the election is made and the relation thereof to the balance sheet, the aggregate carrying value of items included in the balance sheet that are not eligible for the election; (7) all other required (as defined) and desired information. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -URI http://asc.fasb.org/topic&trid=2155941 + Details
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