Preferred Stock	9 Months Ended
Jul. 31, 2012
Equity [Abstract]
Preferred Stock	Preferred Stock At July 31, 2012 and October 31, 2011, there were 64,020 shares of Series B Preferred Stock issued and outstanding, with a carrying value of $59.9 million. Dividends of $2.4 million were paid in cash for the nine months ended July 31, 2012 and 2011, respectively. Series 1 Preferred Shares As of July 31, 2012 and October 31, 2011, the carrying value of the Series 1 Preferred shares was Cdn.$14 million ($14 million USD) and Cdn.$16.6 million ($16.7 million USD), respectively, and is classified as preferred stock obligation of subsidiary on the consolidated balance sheets. The Company made its scheduled return of capital and dividend payments of $4.1 million (Cdn.$4.1 million) during the first nine months ended July 31, 2012. Pursuant to the terms of the agreement, beginning in the quarter ended April 30, 2012, quarterly scheduled payments on the Series 1 preferred share obligation decreased to Cdn.$0.3 million. Derivative liability related to Series 1 Preferred Shares The aggregate fair value of the derivatives related to the Series 1 Preferred shares which are included within long-term debt and other liabilities on the consolidated balance sheets as of July 31, 2012 and October 31, 2011 was $0.7 million and $0.6 million, respectively.

Preferred Stock

At July 31, 2012 and October 31, 2011, there were 64,020 shares of Series B Preferred Stock issued and outstanding, with a carrying value of $59.9 million. Dividends of $2.4 million were paid in cash for the nine months ended July 31, 2012 and 2011, respectively.

Series 1 Preferred Shares

As of July 31, 2012 and October 31, 2011, the carrying value of the Series 1 Preferred shares was Cdn.$14 million ($14 million USD) and Cdn.$16.6 million ($16.7 million USD), respectively, and is classified as preferred stock obligation of subsidiary on the consolidated balance sheets. The Company made its scheduled return of capital and dividend payments of $4.1 million (Cdn.$4.1 million) during the first nine months ended July 31, 2012. Pursuant to the terms of the agreement, beginning in the quarter ended April 30, 2012, quarterly scheduled payments on the Series 1 preferred share obligation decreased to Cdn.$0.3 million.

Derivative liability related to Series 1 Preferred Shares

The aggregate fair value of the derivatives related to the Series 1 Preferred shares which are included within long-term debt and other liabilities on the consolidated balance sheets as of July 31, 2012 and October 31, 2011 was $0.7 million and $0.6 million, respectively.