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Fair Value of Financial Instruments
6 Months Ended
Jan. 26, 2019
Fair Value of Financial Instruments [Abstract]  
Fair Value of Financial Instruments
5.
Fair Value of Financial Instruments

The Company’s financial assets or liabilities are measured using inputs from the three levels of the fair value hierarchy.  The Company classifies assets and liabilities within the fair value hierarchy based on the lowest level of any input that is significant to the fair value measurement.  Valuation techniques used need to maximize the use of observable inputs and minimize the use of unobservable inputs.  The Company has not elected a fair value option on any assets or liabilities. The three levels of the hierarchy are as follows:

Level 1 Inputs – Unadjusted quoted prices in active markets that are accessible at the measurement date for identical, unrestricted assets or liabilities. Generally, this includes debt and equity securities and derivative contracts that are traded on an active exchange market (e.g., New York Stock Exchange) as well as certain U.S. Treasury and U.S. Government and agency mortgage-backed securities that are highly liquid and are actively traded in over-the-counter markets.

Level 2 Inputs – Quoted prices for similar assets or liabilities in active markets; quoted prices for identical or similar assets or liabilities in inactive markets; or valuations based on models where the significant inputs are observable (e.g., interest rates, yield curves, credit risks, etc.) or can be corroborated by observable market data.

Level 3 Inputs – Valuations based on models where significant inputs are not observable.  The unobservable inputs reflect the Company’s own assumptions about the assumptions that market participants would use.

The Company monitors the availability of observable market data to assess the appropriate classification of financial instruments within the fair value hierarchy.  Changes in economic conditions or model-based valuation techniques may require the transfer of financial instruments from one fair value level to another.  In such instances, the Company reports the transfer as of the beginning of the reporting period.  The Company evaluated the significance of transfers between levels based upon the nature of the financial instrument.  There were no transfers in or out of levels 1, 2 or 3, respectively during the six months ended January 27, 2018 or the fiscal year ended July 31, 2017.

The carrying amount of cash, cash equivalents and restricted cash approximated fair value at January 26, 2019 and July 31, 2018.  These assets were classified as level 1 instruments at both dates.

Investment securities available for sale of $1.5 million at January 26, 2019 and July 31, 2018 primarily included mutual funds invested in U.S. municipal bonds, which the Company may immediately redeem without prior notice.  These mutual funds are valued at the net asset value (“NAV”) of shares held by the Company at period end as a practical expedient to estimate fair value. These mutual funds are deemed to be actively traded, are required to publish their daily NAV and are required to transact at that price.

Prior to August 1, 2018, unrealized gains or losses related to investment securities available for sale were recorded in the consolidated balance sheets and statements of comprehensive income.  Subsequent to adoption of ASU 2016-01 effective August 1, 2018 (refer to Note 3 of these condensed consolidated financial statements), unrealized gains or losses related to investment securities available for sale are recorded in the consolidated statements of operations.  The cost basis of securities sold is based on the specific identification method.  The Company did not record any sales of investment securities during the six months ended January 26, 2019 and January 27, 2018.

Long-term debt consists of bank loans and capitalized equipment leases.  Lines of credit consist of borrowings for working capital requirements.  Based on the relative immateriality of consolidated debt and line of credit borrowings, management believes that the carrying amount of these liabilities approximated fair value at January 26, 2019 and July 31, 2018.  These liabilities were classified as level 2 instruments at both dates.

There were no financial instruments classified as level 3 at January 26, 2019 and January 27, 2018.