XML 95 R76.htm IDEA: XBRL DOCUMENT v3.3.1.900
INVESTMENTS (Schedule of Available for Trading Securities) (Details) - USD ($)
12 Months Ended
Oct. 31, 2015
Oct. 31, 2014
Oct. 31, 2013
Jun. 30, 2015
Schedule of Cost-method Investments [Line Items]        
Cost method investment, carrying value $ 4,000,000      
Investments, fair value 0      
Impairment charge 4,000,000 $ 0 $ 0  
Realized gains on sale of available-for-sale securities 0 0 0  
Change in unrealized holding gain (loss) for trading securities 1,000,000 1,000,000 2,000,000  
Realized gains on sale of cost method securities 0 $ 0 $ 0  
Preferred Stock In Radio Frequency Microstructure Company [Member]        
Schedule of Cost-method Investments [Line Items]        
Cost method investment, carrying value       $ 7,000,000
Other Investments [Member]        
Schedule of Cost-method Investments [Line Items]        
Cost method investment, carrying value $ 4,000,000