XML 91 R19.htm IDEA: XBRL DOCUMENT v2.4.0.8
Organization and Summary of Significant Accounting Policies (Tables)
 3 Months Ended
May 31, 2013
Organization and Summary of Significant Accounting Policies [Abstract]  
Summary of available-for-sale investments
 
     
Total as of 05/31/13
  
Tbills
77gi43l5l4lh0298g535li1gj5716812
     1,925,000  
CD
     4,081,000  
      6,006,000  
 
Contractual maturities of available-for-sale non-equity investments
       
Fair
  
   
Face value
    
Value
77gi43l5l4lh0298g535li1gj5716812
  
   
(In thousands)
        
Maturing within one year
   $ 5,757,000     $ 5,763,519  
Maturing in one to three years
     249,000       251,595  
    $ 6,006,000     $ 6,015,114