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Fair Value of Financial Instruments (Tables)
6 Months Ended
Nov. 02, 2014
Fair Value Disclosures [Abstract]  
Schedule of Assets and Liabilities Measured at Fair Value on a Recurring Basis
The following table presents information about assets and liabilities measured at fair value on a recurring basis:

   
Fair value measurements at November 2, 2014 using:
 
       
   
Quoted prices in
active markets
for identical
assets
   
Significant other
observable inputs
   
Significant
unobservable
inputs
       
                         
(amounts in thousands) 
 
Level 1
   
Level 2
   
Level 3
   
Total
 
                         
Assets:
                       
Limited Term Bond Fund
  $ 2,576       N/A       N/A     $ 2,576  
Low Duration Bond Fund
    2,081       N/A       N/A       2,081  
Premier Money Market Fund
    1,818       N/A       N/A       1,818  
Intermediate Term Bond Fund
    1,661       N/A       N/A       1,661  
Other
    93       N/A       N/A       93  
 
   
Fair value measurements at October 27, 2013 using:
 
       
   
Quoted prices in
active markets
for identical
assets
   
Significant other
observable inputs
   
Significant
unobservable
inputs
       
                         
(amounts in thousands) 
 
Level 1
   
Level 2
   
Level 3
   
Total
 
                         
Assets:
                       
Limited Term Bond Fund
  $ 2,561       N/A       N/A     $ 2,561  
Low Duration Bond Fund
    2,060       N/A       N/A       2,060  
Intermediate Term Bond Fund
    1,599       N/A       N/A       1,599  
 
   
Fair value measurements at April 27, 2014 using:
 
       
   
Quoted prices in
active markets
for identical
assets
   
Significant other
observable inputs
   
Significant
unobservable
inputs
       
                         
(amounts in thousands) 
 
Level 1
   
Level 2
   
Level 3
   
Total
 
                         
Assets:
                       
Limited Term Bond Fund
  $ 2,576       N/A       N/A     $ 2,576  
Low Duration Bond Fund
    2,077       N/A       N/A       2,077  
Intermediate Term Bond Fund
    1,641       N/A       N/A       1,641  
Premier Money Market Fund
    755       N/A       N/A       755  
Other
    10       N/A       N/A       10  
Schedule of Assets and Liabilities Measured at Fair Value on a Nonrecurring Basis
 
   
Fair value measurements at April 27, 2014 and October 27, 2013 using:
 
       
   
Quoted prices in
active markets
for identical
assets
   
Significant other
observable inputs
   
Significant
unobservable
inputs
       
                         
(amounts in thousands) 
 
Level 1
   
Level 2
   
Level 3
   
Total
 
                         
Assets:
                       
Equipment
  $ -     $ 890     $ -     $ 890  
Non-compete Agreement
    -       -       882       882  
Customer Relationships
    -       -       868       868