Preferred Stock (Details)		12 Months Ended
		Oct. 31, 2016 CAD shares	Oct. 31, 2016 USD ($) $ / shares	Oct. 31, 2015 CAD shares	Oct. 31, 2015 USD ($)	Oct. 31, 2014 CAD	Oct. 31, 2014 USD ($)	Dec. 31, 2020 CAD	Oct. 31, 2016 USD ($) $ / shares shares	Oct. 31, 2015 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
Shares of Common Stock Issued upon Conversion | shares	[1]	454,043		454,043					454,043	454,043
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 | 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 18,000,000		CAD 16,900,000
Shares of Common Stock Issued upon Conversion | shares	[1]	1,042,000		337,200					1,042,000	337,200
Payments of Dividends | CAD		CAD 500,000
Return of Capital Payments | CAD		750,000
Interest Expense, Other | CAD		2,400,000		CAD 2,300,000		CAD 2,100,000
Carrying Value of Preferred Shares, Total | $									$ 13,500,000	$ 12,600,000
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

[1] Refer to Note 12, Redeemable Preferred Stock, for information on the calculation of the common shares upon conversion.