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Fair Value Measurements and Financial Instruments
6 Months Ended
Jan. 31, 2020
Fair Value Disclosures [Abstract]  
Fair Value Measurements and Financial Instruments
Fair Value Measurements and Financial Instruments

Using the fair value hierarchy described in FASB ASC 820 "Fair Value Measurements and Disclosures," we valued our cash and cash equivalents using Level 1 inputs that were based on quoted market prices.

We believe that the carrying amounts of our other current financial assets (such as accounts receivable) and other current liabilities (including accounts payable, accrued expenses and the current portion of our favorable AT&T warranty settlement) approximate their fair values due to their short-term maturities. See Note (9) - "Accrued Expenses and Other Current Liabilities" for further discussion of the favorable AT&T warranty settlement.

The fair value of our Credit Facility that we entered into on October 31, 2018 approximates its carrying amount due to its variable interest rate and pricing grid that is dependent upon our leverage ratio as of the end of each fiscal quarter.

As of January 31, 2020 and July 31, 2019, other than the financial instruments discussed above, we had no other significant assets or liabilities included in our Condensed Consolidated Balance Sheets recorded at fair value, as such term is defined by FASB ASC 820.