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Other Financial Instruments and Fair Value Measurements | 12 Months Ended
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Apr. 30, 2015
Other Financial Instruments and Fair Value Measurements [Abstract] |
Other Financial Instruments and Fair Value Measurements |
NOTE 9 | OTHER FINANCIAL INSTRUMENTS AND FAIR VALUE MEASUREMENTS
Financial instruments, other than derivatives, that potentially subject us to significant concentrations of credit risk consist principally of cash investments, short-term borrowings, and trade receivables. The carrying value of these financial instruments approximates fair value. With respect to trade receivables, we believe there is no concentration of risk with any single customer whose failure or nonperformance would materially affect our results other than as discussed in Note 3: Reportable Segments. We do not require collateral from our customers. Our other financial instruments, with the exception of long-term debt, are recognized at estimated fair value in the Consolidated Balance Sheets. The following table provides information on the carrying amount and fair value of our financial instruments.
|  | April 30, 2015 |  |  | April 30, 2014 |
|  | Carrying Amount |  |  | Fair Value |  |  | Carrying Amount |  |  | Fair Value |
Other investments |  | $ | 48.4 |  |  | $ | 48.4 |  |  | $ | 55.4 |  |  | $ | 55.4 |
Derivative financial instruments - net |  |  | (17.3) |  |  |  | (17.3) |  |  |  | 33.9 |  |  |  | 33.9 |
Long-term debt |  |  | (5,944.9) |  |  |  | (6,011.3) |  |  |  | (1,973.1) |  |  |  | (2,239.1) |
Fair value is defined as the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date. Valuation techniques are based on observable and unobservable inputs. Observable inputs reflect readily obtainable data from independent sources, while unobservable inputs reflect our market assumptions. The following tables summarize the fair values and the levels within the fair value hierarchy in which the fair value measurements fall for our financial instruments.
|  | Quoted Prices in Active Markets for Identical Assets (Level 1) |  |  | Significant Observable Inputs (Level 2) |  |  | Significant Unobservable Inputs (Level 3) |  |  | Fair Value at April 30, 2015 |
Other investments: (A) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity mutual funds |  | $ | 9.7 |  |  | $ | — |  |  | $ | — |  |  | $ | 9.7 |
Municipal obligations |  |  | — |  |  |  | 37.9 |  |  |  | — |  |  |  | 37.9 |
Money market funds |  |  | 0.8 |  |  |  | — |  |  |  | — |  |  |  | 0.8 |
Derivatives: (B) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commodity contracts - net |  |  | (12.4) |  |  |  | (8.7) |  |  |  | — |  |  |  | (21.1) |
Foreign currency exchange contracts - net |  |  | (0.2) |  |  |  | 4.0 |  |  |  | — |  |  |  | 3.8 |
Long-term debt (C) |  |  | (4,459.0) |  |  |  | (1,552.3) |  |  |  | — |  |  |  | (6,011.3) |
Total financial instruments measured at fair value |  | $ | (4,461.1) |  |  | $ | (1,519.1) |  |  | $ | — |  |  | $ | (5,980.2) |
|  | Quoted Prices in Active Markets for Identical Assets (Level 1) |  |  | Significant Observable Inputs (Level 2) |  |  | Significant Unobservable Inputs (Level 3) |  |  | Fair Value at April 30, 2014 |
Other investments: (A) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity mutual funds |  | $ | 12.0 |  |  | $ | — |  |  | $ | — |  |  | $ | 12.0 |
Municipal obligations |  |  | — |  |  |  | 34.4 |  |  |  | — |  |  |  | 34.4 |
Money market funds |  |  | 9.0 |  |  |  | — |  |  |  | — |  |  |  | 9.0 |
Derivatives: (B) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commodity contracts - net |  |  | 13.5 |  |  |  | 4.8 |  |  |  | — |  |  |  | 18.3 |
Foreign currency exchange contracts - net |  |  | — |  |  |  | 0.7 |  |  |  | — |  |  |  | 0.7 |
Interest rate contract - net |  |  | — |  |  |  | 14.9 |  |  |  | — |  |  |  | 14.9 |
Long-term debt (C) |  |  | (772.0) |  |  |  | (1,467.1) |  |  |  | — |  |  |  | (2,239.1) |
Total financial instruments measured at fair value |  | $ | (737.5) |  |  | $ | (1,412.3) |  |  | $ | — |  |  | $ | (2,149.8) |
(A) | Other investments consist of funds maintained for the payment of benefits associated with nonqualified retirement plans. The funds include equity securities listed in active markets, municipal obligations valued by a third party using valuation techniques that utilize inputs that are derived principally from or corroborated by observable market data, and money market funds with maturities of three months or less. Based on the short-term nature of these money market funds, carrying value approximates fair value. As of April 30, 2015, our municipal obligations are scheduled to mature as follows: $0.9 in 2016, $1.3 in 2017, $1.1 in 2018, $3.0 in 2019, and the remaining $31.6 in 2020 and beyond. For additional information, see Marketable Securities and Other Investments in Note 1: Accounting Policies.
(B) | Level 1 commodity contract and foreign currency exchange derivatives are valued using quoted market prices for identical instruments in active markets. Level 2 commodity contract and foreign currency exchange derivatives are valued using quoted prices for similar assets or liabilities in active markets. The Level 2 interest rate contract derivative is valued using the income approach, observable Level 2 market expectations at the measurement date, and standard valuation techniques to convert future amounts to a single discounted present value. Level 2 inputs for the interest rate contract are limited to quoted prices for similar assets or liabilities in active markets and inputs other than quoted prices that are observable for the asset or liability. For additional information, see Note 8: Derivative Financial Instruments.
(C) | Long-term debt is comprised of $750.0 in public Senior Notes and the $3.7 billion Senior Notes issued in 2015 classified as Level 1 and the Term Loan classified as Level 2 in 2015. Long-term debt is comprised of public Senior Notes classified as Level 1 and private Senior Notes classified as Level 2 in 2014. The public Senior Notes are traded in an active secondary market and valued using quoted prices. The value of the private Senior Notes and Term Loan are based on the net present value of each interest and principal payment calculated, utilizing an interest rate derived from a fair market yield curve for private Senior Notes or an estimated yield curve obtained from independent pricing sources for similar types of term loan borrowing arrangements. For additional information, see Note 6: Debt and Financing Arrangements.

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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 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 30 -URI http://asc.fasb.org/extlink&oid=6957238&loc=d3e14172-108612 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=6957238&loc=d3e14064-108612 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 21 -URI http://asc.fasb.org/extlink&oid=35750535&loc=d3e13537-108611 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 16 -URI http://asc.fasb.org/extlink&oid=35750535&loc=d3e13504-108611 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=35750535&loc=d3e13433-108611 + Details
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