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Net Income Per Share (Tables)
9 Months Ended
Jul. 31, 2011
Net Income Per Share [Abstract]  
Components Of Reconciliation Of Numerators And Denominators Net Income Per Share
    Net income      
    attributable to OCC Shares   Per share
Three months ended July 31, 2012   (numerator) (denominator)   amount
Basic net income per share $ 1,173,428 6,667,481 $ 0.18
Effect of dilutive stock options      
Diluted net income per share $ 1,173,428 6,667,481 $ 0.18
    Net income      
    attributable to OCC Shares   Per share
Three months ended July 31, 2011   (numerator) (denominator)   amount
Basic net income per share $ 117,809 6,391,053 $ 0.02
Effect of dilutive stock options      
Diluted net income per share $ 117,809 6,391,053 $ 0.02
    Net income      
    attributable to OCC Shares   Per share
Nine months ended July 31, 2012   (numerator) (denominator)   amount
Basic net income per share $ 2,314,797 6,449,227 $ 0.36
Effect of dilutive stock options      
Diluted net income per share $ 2,314,797 6,449,227 $ 0.36
    Net income      
    attributable to OCC Shares   Per share
Nine months ended July 31, 2011   (numerator) (denominator)   amount
Basic net income per share $ 430,277 6,305,701 $ 0.07
Effect of dilutive stock options      
Diluted net income per share $ 430,277 6,305,701 $ 0.07