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Income Taxes (Deferred Income Tax Amounts Recorded On The Consolidated Balance Sheets) (Details) (USD $)
In Thousands, unless otherwise specified
Aug. 31, 2012
Aug. 31, 2011
Income Taxes [Abstract]    
Current assets $ 3,634 $ 3,005
Long-term assets 23 16
Long-term liabilities (7,001) (4,084)
Net deferred income taxes $ (3,344) $ (1,063)