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Fair Value Measurements
9 Months Ended
Apr. 30, 2020
Text Block [Abstract]  
Fair Value Measurements Fair Value Measurements
In accordance with fair value accounting guidance, the Company determines fair value based on the exchange price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants. The inputs used to measure fair value are classified into the following hierarchy:
Level 1 — Unadjusted quoted prices in active markets for identical instruments that are accessible as of the reporting date.
Level 2 — Other significant pricing inputs that are either directly or indirectly observable.
Level 3 — Significant unobservable pricing inputs, which result in the use of management's own assumptions.
The following table summarizes the Company's financial assets and liabilities that were accounted for at fair value on a recurring basis at April 30, 2020 and July 31, 2019, according to the valuation techniques the Company used to determine their fair values.

 April 30, 2020July 31, 2019Fair Value Hierarchy
Assets:
Trading securities$17,172  $15,744  Level 1  
Foreign exchange contracts241  474  Level 2  
Liabilities:
Foreign exchange contracts1,360   Level 2  

The following methods and assumptions were used to estimate the fair value of each class of financial instrument:
Trading securities: The Company’s deferred compensation investments consist of investments in mutual funds, which are included in "Other assets" on the condensed consolidated balance sheets. These investments were classified as Level 1 as the shares of these investments trade with sufficient frequency and volume to enable us to obtain pricing information on an ongoing basis.
Foreign exchange contracts: The Company’s foreign exchange contracts were classified as Level 2 as the fair value was based on the present value of the future cash flows using external models that use observable inputs, such as interest rates, yield curves and foreign exchange rates. See Note L, “Derivatives and Hedging Activities,” for additional information.
There have been no transfers between fair value hierarchy levels during the nine months ended April 30, 2020.
The fair values of cash and cash equivalents, accounts receivable, inventories, accounts payable, and other current liabilities approximated carrying values due to their short-term nature.
During the three months ended April 30, 2020, impairment charges of $13,821 were recorded in connection with writing down the carrying values of certain other intangible and long-lived assets to their respective fair values. These represented Level 3 assets measured at fair value on a nonrecurring basis subsequent to their original recognition. Refer to Note D, "Other Intangible and Long-Lived Assets" for additional information on the methods and assumptions used to determine fair value.
The following table summarizes the estimated fair value of the Company’s current maturities on its long-term debt obligations, at April 30, 2020 and July 31, 2019, which was based on the quoted market prices for similar issues and on the current rates offered for debt of similar maturities.
 April 30, 2020July 31, 2019
  Carrying ValueFair ValueCarrying ValueFair Value
Current maturities on long-term debt$48,927  $48,988  $50,166  $51,566