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Investments (Tables)
9 Months Ended
Jun. 30, 2013
Amortized Cost and Estimated Fair Market Value for Investments Classified as Held-to-Maturity
Amortized cost and fair value for investments classified as held-to-maturity at June 30, 2013 were as follows:
 
 
 
 
 
 
 
 
 
Estimated
 
 
Amortized
 
Gross Unrealized
 
Fair Market
 
 
Cost
 
Gains
 
Losses
 
Value
Due in less than 1 year:
 
 
 
 
 
 
 
 
Municipal bonds
 
$
27,085

 
$
11

 
$

 
$
27,096

Corporate bonds
 
16,239

 
1

 
(23
)
 
16,217

Certificates of deposit
 
6,093

 

 

 
6,093

Due in 1 - 2 years:
 
 
 
 
 
 
 
 
Municipal bonds
 
12,008

 
6

 
(4
)
 
12,010

Corporate bonds
 
628

 

 
(1
)
 
627

Certificates of deposit
 
1,476

 

 

 
1,476

 
 
$
63,529

 
$
18

 
$
(28
)
 
$
63,519

Amortized cost and fair value for investments classified as held-to-maturity at September 30, 2012 were as follows:
 
 
 
 
 
 
 
 
 
Estimated
 
 
Amortized
 
Gross Unrealized
 
Fair Market
 
 
Cost
 
Gains
 
Losses
 
Value
Due in less than 1 year:
 
 
 
 
 
 
 
 
Municipal bonds
 
$
23,402

 
$
2

 
$
(8
)
 
$
23,396

Corporate bonds
 
18,210

 
8

 
(3
)
 
18,215

Certificates of deposit
 
9,843

 
3

 

 
9,846

Due in 1 - 2 years:
 
 
 
 
 
 
 
 
Municipal bonds
 
170

 

 

 
170

Corporate bonds
 

 

 

 

Certificates of deposit
 
4,363

 

 

 
4,363

 
 
$
55,988

 
$
13

 
$
(11
)
 
$
55,990