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INCOME TAXES: (Carryforwards) (Details) (USD $)
In Thousands, unless otherwise specified
Nov. 30, 2012
Domestic Tax Authority [Member]
 
Operating Loss Carryforwards [Line Items]  
Net operating loss carry forwards $ 23,000
Foreign Tax Authority [Member]
 
Operating Loss Carryforwards [Line Items]  
Tax credit carry forwards 4,100
Foreign Tax Authority [Member] | Infotec Japan [Member]
 
Operating Loss Carryforwards [Line Items]  
Net operating loss carry forwards 62,700
State and Local Jurisdiction [Member]
 
Operating Loss Carryforwards [Line Items]  
Net operating loss carry forwards $ 12,100