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Preferred Stock (Details)
 12 Months Ended
Oct. 31, 2015
CAD
shares
Oct. 31, 2015
USD ($)
$ / shares
Oct. 31, 2014
CAD
shares
Oct. 31, 2014
USD ($)
Oct. 31, 2013
CAD
Oct. 31, 2013
USD ($)
Dec. 31, 2020
CAD
Oct. 31, 2015
USD ($)
$ / shares
shares
Oct. 31, 2014
USD ($)
shares
Statement [Line Items]                  
Preferred Stock, Shares Outstanding | shares 64,020             64,020  
Temporary Equity, Carrying Amount, Attributable to Parent               $ 59,857,000 $ 59,857,000
Preferred Stock, Liquidation Preference, Value               64,020,000 64,020,000
Derivative Liability, Fair Value, Gross Liability               $ 700,000 $ 700,000
Series B Preferred Stock [Member]                  
Statement [Line Items]                  
Preferred Stock, Shares Authorized | shares 250,000             250,000  
Preferred Stock, Liquidation Preference Per Share | $ / shares               $ 1,000  
Preferred Stock, Shares Issued | shares 64,020.0   64,020.0         64,020.0 64,020.0
Preferred Stock, Shares Outstanding | shares 64,020.0   64,020.0         64,020.0 64,020.0
Temporary Equity, Carrying Amount, Attributable to Parent               $ 59,900,000 $ 59,900,000
Preferred Stock, Dividends Per Share, Declared | $ / shares   $ 50              
Dividends, Preferred Stock, Cash   $ 3,200,000   $ 3,200,000   $ 3,200,000      
Preferred Stock, Liquidation Preference, Value               $ 64,000,000 64,000,000
Shares of Common Stock Issued Upon Conversion of Each Share of Series B Preferred Stock | shares 7.0922             7.0922  
Stock Conversion Price | $ / shares               $ 141.00  
Percent of Conversion Price To Exceed to Exercise Conversion Right 150.00%             150.00%  
Discount on Market Price of Shares of Common Stock 5.00%             5.00%  
Series 2 Preferred Stock [Member]                  
Statement [Line Items]                  
Preferred Stock, Shares Outstanding | shares 1,000,000             1,000,000  
Series 1 Preferred Shares [Member]                  
Statement [Line Items]                  
Temporary Equity, Carrying Amount, Attributable to Parent | CAD CAD 16,900,000   CAD 15,800,000            
Payments of Dividends | CAD 500,000                
Return of Capital Payments | CAD 750,000                
Interest Expense, Other | CAD 2,300,000   2,100,000   CAD 2,000,000        
Carrying Value of Preferred Shares, Total               $ 12,900,000 $ 14,200,000
Return of Capital and Dividend Payments | CAD CAD 1,300,000   CAD 1,300,000   CAD 1,300,000        
percent calculated on weighted average price of common shares the number of common shares is determined by dividing the cash dividend obligation by 95% of the volume weighted average price in US dollars the number of common shares is determined by dividing the cash dividend obligation by 95% of the volume weighted average price in US dollars              
Percent of Common Stock Price 95.00% 95.00%              
Preferred Stock, Redemption Price Per Share | $ / shares               $ 25  
Preferred Stock Exchange Right Per Common Stock Share               $ 1,664.52  
Scenario, Forecast [Member] | Series 1 Preferred Shares [Member]                  
Statement [Line Items]                  
Accrued and Unpaid Dividend Obligation | CAD             CAD 21,100,000    
Preferred Stock, Redemption Amount | CAD             CAD 4,400,000