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Fair Value Disclosures (Tables)
6 Months Ended
Sep. 30, 2012
Fair Value Disclosures [Abstract]  
Financial asset disclosures
Following are the disclosures related to our financial assets (in thousands):
 
 
September 30, 2012
 
March 31, 2012
 
Fair Value
 
Input Level
 
Fair Value
 
Input Level
Available-for-sale marketable securities
 
 
 
 
 
 
 
Municipal tax exempt bond funds
$

 
 
 
$
22,227

 
Level 1
Adjustable rate government funds
$
21,026

 
Level 1
 
$

 
 
Marketable securities, classified as “available-for-sale”
Marketable securities, all of which were classified as “available-for-sale” at September 30, 2012 and March 31, 2012, consisted of the following (in thousands):
 
 
September 30,
2012
 
March 31,
2012
Available-for-sale marketable securities
 
 
 
Amortized cost
$
20,987

 
$
22,101

Gross unrecognized holding gains
39

 
126

Fair value
$
21,026

 
$
22,227