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FAIR VALUE | 9 Months Ended
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May. 31, 2015
Fair Value Disclosures [Abstract] |
Fair value | NOTE 9. FAIR VALUE The Company has established a fair value hierarchy which prioritizes the inputs to the valuation techniques used to measure fair value into three levels. These levels are determined based on the lowest level input that is significant to the fair value measurement. Levels within the hierarchy are defined as follows: Level 1 - Unadjusted quoted prices in active markets for identical assets and liabilities; Level 2 - Quoted prices for similar assets and liabilities in active markets (other than those included in Level 1) which are observable, either directly or indirectly; and Level 3 - Valuations derived from valuation techniques in which one or more significant inputs or significant value drivers are unobservable. The following tables summarize information regarding the Company's financial assets and financial liabilities that were measured at fair value on a recurring basis:
|  |  |  | Fair Value Measurements at Reporting Date Using
(in thousands) |  | May 31, 2015 |  | Quoted Prices in Active Markets for Identical Assets (Level 1) |  | Significant Other Observable Inputs (Level 2) |  | Significant Unobservable Inputs (Level 3)
Assets: |  |  |  |  |  |  |  |
Money market investments (1) |  | $ | 200,394 |  |  | $ | 200,394 |  |  | $ | — |  |  | $ | — |
Commodity derivative assets (2) |  | 958 |  |  | 942 |  |  | 16 |  |  | — |
Foreign exchange derivative assets (2) |  | 4,654 |  |  | — |  |  | 4,654 |  |  | — |
Liabilities: |  |  |  |  |  |  |  |
Commodity derivative liabilities (2) |  | 845 |  |  | 603 |  |  | 242 |  |  | — |
Foreign exchange derivative liabilities (2) |  | 2,129 |  |  | — |  |  | 2,129 |  |  | — |
|  |  |  | Fair Value Measurements at Reporting Date Using
(in thousands) |  | August 31, 2014 |  | Quoted Prices in Active Markets for Identical Assets (Level 1) |  | Significant Other Observable Inputs (Level 2) |  | Significant Unobservable Inputs (Level 3)
Assets: |  |  |  |  |  |  |  |
Money market investments (1) |  | $ | 200,487 |  |  | $ | 200,487 |  |  | $ | — |  |  | $ | — |
Commodity derivative assets (2) |  | 911 |  |  | 911 |  |  | — |  |  | — |
Foreign exchange derivative assets (2) |  | 1,989 |  |  | — |  |  | 1,989 |  |  | — |
Liabilities: |  |  |  |  |  |  |  |
Commodity derivative liabilities (2) |  | 168 |  |  | 162 |  |  | 6 |  |  | — |
Foreign exchange derivative liabilities (2) |  | 1,335 |  |  | — |  |  | 1,335 |  |  | — |
_________________ (1) Money market investments are short-term in nature, and the value is determined by broker quoted prices in active markets. The investment portfolio mix can change each period based on the Company's assessment of investment options. (2) Derivative assets and liabilities classified as Level 1 are commodity futures contracts valued based on quoted market prices in the London Metal Exchange or Commodity Exchange, Inc. Amounts in Level 2 are based on broker quotes in the over-the-counter market. Further discussion regarding the Company's use of derivative instruments and the classification of the assets and liabilities is included in Note 8, Derivatives and Risk Management. There were no material non-recurring fair value measurements during the three and nine months ended May 31, 2015 and 2014, respectively. The carrying values of the Company's short-term items, including the deferred purchase price of accounts receivable, documentary letters of credit and notes payable, approximate fair value due to their short-term nature. The carrying values and estimated fair values of the Company's financial assets and liabilities that are not required to be measured at fair value on the consolidated balance sheets were as follows:
|  |  |  | May 31, 2015 |  | August 31, 2014
(in thousands) |  | Fair Value Hierarchy |  | Carrying Value |  | Fair Value |  | Carrying Value |  | Fair Value
$400 million notes at 6.50% due July 2017 (1) |  | Level 2 |  | $ | 406,317 |  |  | $ | 427,000 |  |  | $ | 408,546 |  |  | $ | 438,200 |
$500 million notes at 7.35% due August 2018 (1) |  | Level 2 |  | 514,837 |  |  | 535,000 |  |  | 518,305 |  |  | 567,560 |
$330 million notes at 4.875% due May 2023 (1) |  | Level 2 |  | 330,000 |  |  | 318,302 |  |  | 330,000 |  |  | 325,050 |
_________________ (1) The fair values of the 2017 Notes, 2018 Notes and 2023 Notes are estimated based on readily available market prices of these notes at May 31, 2015 and August 31, 2014, or similar notes with the same maturities, rating and interest rates.

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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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