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Fair Value of Financial Instruments
12 Months Ended
Aug. 31, 2017
Fair Value Disclosures [Abstract]  
Fair Value Of Financial Instruments
Fair Value of Financial Instruments

The fair value of financial instruments is the amount at which the instrument could be exchanged in a current transaction between willing parties.  The Company has no financial liabilities that are required to be measured at fair value on a recurring basis.

The Company categorizes its assets and liabilities recorded at fair value based upon the following fair value hierarchy established by the FASB:

Level 1 valuations use quoted prices in active markets for identical assets or liabilities that are accessible at the measurement date.  An active market is a market in which transactions for the asset or liability occur with sufficient frequency and volume to provide pricing information on an ongoing basis.

Level 2 valuations use inputs other than actively quoted market prices included within Level 1 that are observable for the asset or liability, either directly or indirectly.  Level 2 inputs include: (a) quoted prices for similar assets or liabilities in active markets, (b) quoted prices for identical or similar assets or liabilities in markets that are not active, (c) inputs other than quoted prices that are observable for the asset or liability such as interest rates and yield curves observable at commonly quoted intervals and (d) inputs that are derived principally from or corroborated by observable market data by correlation or other means.

Level 3 valuations use unobservable inputs for the asset or liability.  Unobservable inputs are used to the extent observable inputs are not available, thereby allowing for situations in which there is little, if any, market activity for the asset or liability at the measurement date.

The Company’s cash equivalents are carried at cost which approximates fair value and totaled $73.9 million and $59.2 million at August 31, 2017 and 2016, respectively.  This fair value is estimated using Level 1 methods.

The fair value of the Company’s 2013 Fixed Rate Notes and 2016 Fixed Rate Notes approximated the carrying value, including accrued interest, of $578.2 million and $579.6 million at August 31, 2017 and 2016, respectively.  The fair value of the Company's 2016 Variable Funding Notes approximated the carrying value, including accrued interest, of $60.1 million at August 31, 2017. The 2016 Variable Funding Notes had no balance at August 31, 2016. The fair value of the 2013 Fixed Rate Notes and 2016 Notes is estimated using Level 2 inputs from market information available for public debt transactions for companies with ratings that are similar to the Company’s ratings and from information gathered from brokers who trade in the Company’s notes.