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Note 11 (Tables)
3 Months Ended
Dec. 24, 2016
Notes Tables  
Unrealized Gain (Loss) on Investments [Table Text Block]
           
Gross
   
Gross
   
Fair
 
   
Amortized
   
Unrealized
   
Unrealized
   
Market
 
   
Cost
   
Gains
   
Losses
   
Value
 
   
(in thousands)
 
                                 
Corporate Bonds
  $
111,082
    $
212
    $
287
    $
111,007
 
Certificates of Deposit
   
960
     
6
     
-
     
966
 
Total investment securities held to maturity
  $
112,042
    $
218
    $
287
    $
111,973
 
           
Gross
   
Gross
   
Fair
 
   
Amortized
   
Unrealized
   
Unrealized
   
Market
 
   
Cost
   
Gains
   
Losses
   
Value
 
   
(in thousands)
 
                                 
Mutual Funds
  $
13,003
    $
-
    $
400
    $
12,603
 
Preferred Stock
   
16,791
     
115
     
147
     
16,759
 
Total investment securities available for sale
  $
29,794
    $
115
    $
547
    $
29,362
 
 
 
 
 
 
 
Gross
 
 
Gross
 
 
Fair
 
 
 
Amortized
 
 
Unrealized
 
 
Unrealized
 
 
Market
 
 
 
Cost
 
 
Gains
 
 
Losses
 
 
Value
 
 
 
(in thousands)
 
Corporate Bonds
  $
103,311
    $
734
    $
138
    $
103,907
 
Certificates of Deposit
   
960
     
11
     
-
     
971
 
Total investment securities held to maturity
  $
104,271
    $
745
    $
138
    $
104,878
 
 
 
 
 
 
 
Gross
 
 
Gross
 
 
Fair
 
 
 
Amortized
 
 
Unrealized
 
 
Unrealized
 
 
Market
 
 
 
Cost
 
 
Gains
 
 
Losses
 
 
Value
 
   
(in thousands)
 
                                 
Mutual Funds
  $
13,003
    $
-
    $
520
    $
12,483
 
Preferred Stock
   
16,791
     
273
     
82
     
16,982
 
Total investment securities available for sale
  $
29,794
    $
273
    $
602
    $
29,465
 
Investments Classified by Contractual Maturity Date [Table Text Block]
 
 
December 24, 2016
 
 
September 24, 2016
 
                                 
 
 
 
 
 
 
Fair
 
 
 
 
 
 
Fair
 
 
 
Amortized
 
 
Market
 
 
Amortized
 
 
Market
 
 
 
Cost
 
 
Value
 
 
Cost
 
 
Value
 
 
 
(in thousands)
 
Due in one year or less
  $
26,017
    $
25,976
    $
13,539
    $
13,552
 
Due after one year through five years
   
86,025
     
85,997
     
90,732
     
91,326
 
Due after five years through ten years
   
 
     
 
     
-
     
-
 
Total held to
maturity securities
  $
112,042
    $
111,973
    $
104,271
    $
104,878
 
Less current portion
   
26,017
     
25,976
     
13,539
     
13,552
 
Long term held to maturity securities
  $
86,025
    $
85,997
    $
90,732
    $
91,326