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Fair Value Measurements
9 Months Ended
Apr. 28, 2017
Fair Value Measurements [Abstract]  
Fair Value Measurements
2.
Fair Value Measurements

The Company's assets and liabilities measured at fair value on a recurring basis at April 28, 2017 were as follows:
 
  
Quoted Prices
in Active
Markets for
Identical Assets
(Level 1)
  
Significant
Other
Observable
Inputs
(Level 2)
  
Significant
Unobservable
Inputs
(Level 3)
  
Fair Value
 
Cash equivalents*
 
$
106,524
  
$
--
  
$
--
  
$
106,524
 
Deferred compensation plan assets**
  
30,101
   
--
   
--
   
30,101
 
Total assets at fair value
 
$
136,625
  
$
--
  
$
--
  
$
136,625
 
                 
Interest rate swap liability (see Note 5)
 
$
--
  
$
6,523
  
$
--
  
$
6,523
 
Total liabilities at fair value
 
$
--
  
$
6,523
  
$
--
  
$
6,523
 

The Company's assets and liabilities measured at fair value on a recurring basis at July 29, 2016 were as follows:
 
  
Quoted Prices
in Active
Markets for
Identical Assets
(Level 1)
  
Significant
Other
Observable
Inputs
(Level 2)
  
Significant
Unobservable
Inputs
(Level 3)
  
Fair Value
 
Cash equivalents*
 
$
76,084
  
$
--
  
$
--
  
$
76,084
 
Deferred compensation plan assets**
  
27,764
   
--
   
--
   
27,764
 
Total assets at fair value
 
$
103,848
  
$
--
  
$
--
  
$
103,848
 
                 
Interest rate swap liability (see Note 5)
 
$
--
  
$
22,250
  
$
--
  
$
22,250
 
Total liabilities at fair value
 
$
--
  
$
22,250
  
$
--
  
$
22,250
 

*Consists of money market fund investments.
**Represents plan assets invested in mutual funds established under a rabbi trust for the Company's non-qualified savings plan and is included in the Condensed Consolidated Balance Sheets as other assets.

The Company's money market fund investments and deferred compensation plan assets are measured at fair value using quoted market prices.  The fair values of the Company's interest rate swap liabilities are determined based on the present value of expected future cash flows.  Since the values of the Company's interest rate swaps are based on the LIBOR forward curve, which is observable at commonly quoted intervals for the full terms of the swaps, it is considered a Level 2 input.  Non-performance risk is reflected in determining the fair value of the interest rate swaps by using the Company's credit spread less the risk-free interest rate, both of which are observable at commonly quoted intervals for the terms of the swaps.  Thus, the adjustment for non-performance risk is also considered a Level 2 input.
 
The fair values of the Company's accounts receivable and accounts payable approximate their carrying amounts because of their short duration.  The fair value of the Company's variable rate debt, based on quoted market prices, which are considered Level 1 inputs, approximates its carrying amount at April 28, 2017 and July 29, 2016.