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SIGNIFICANT ACCOUNTING POLICIES (Details 2) (USD $)
Dec. 31, 2012
Oct. 31, 2012
Dec. 31, 2011
Oct. 31, 2011
Oct. 31, 2010
Restricted Cash          
Restricted cash to eliminate letters of credit obligations $ 3,120,000        
Patient-Care
         
Inventories          
Raw materials and work-in-process 96,600,000   81,000,000    
Increase (decrease) in physical inventory   $ 500,000   $ (2,300,000) $ 1,000,000