Note 10 - Tangible Equity Units	12 Months Ended
Oct. 31, 2014
Tangible Equity Units Disclosure [Abstract]
Tangible Equity Units Disclosure [Text Block]	10. Tangible Equity Units On February 9, 2011, we issued an aggregate of 3,000,000 7.25% Tangible Equity Units (the “TEUs”), and on February 14, 2011, we issued an additional 450,000 TEUs pursuant to the over-allotment option granted to the underwriters. Each TEU initially consisted of (i) a prepaid stock purchase contract (each a “Purchase Contract”) and (ii) a senior subordinated amortizing note due February 15, 2014 (each, a “Senior Subordinated Amortizing Note”). The Senior Subordinated Amortizing Note component of the TEUs was recorded as debt, and the Purchase Contract component of the TEUs which had a fair value of $68.1 million was recorded in equity as additional paid-in capital. The final quarterly cash installment payment of $0.453125 per Senior Subordinated Amortizing Note was due on February 15, 2014, and was paid to holders thereof on February 18, 2014 (which was the next business day). On February 18, 2014, (which was the first business day after the mandatory settlement date of February 15, 2014) we issued to holders of Purchase Contracts an aggregate of 6,085,224 shares of our Class A Common Stock in settlement of an aggregate of 1,276,933 Purchase Contracts (such amount was based on a settlement rate of 4.7655 shares of Class A Common Stock for each Purchase Contract). In addition, we paid a de minimis amount of cash to holders of the Purchase Contracts in lieu of fractional shares. Accordingly, as of October 31, 2014, we had no Purchase Contracts or Senior Subordinated Amortizing Notes outstanding.

Note 10 - Tangible Equity Units

12 Months Ended

Oct. 31, 2014

Tangible Equity Units Disclosure [Abstract]

Tangible Equity Units Disclosure [Text Block]

10. Tangible Equity Units

On February 9, 2011, we issued an aggregate of 3,000,000 7.25% Tangible Equity Units (the “TEUs”), and on February 14, 2011, we issued an additional 450,000 TEUs pursuant to the over-allotment option granted to the underwriters. Each TEU initially consisted of (i) a prepaid stock purchase contract (each a “Purchase Contract”) and (ii) a senior subordinated amortizing note due February 15, 2014 (each, a “Senior Subordinated Amortizing Note”). The Senior Subordinated Amortizing Note component of the TEUs was recorded as debt, and the Purchase Contract component of the TEUs which had a fair value of $68.1 million was recorded in equity as additional paid-in capital.

The final quarterly cash installment payment of $0.453125 per Senior Subordinated Amortizing Note was due on February 15, 2014, and was paid to holders thereof on February 18, 2014 (which was the next business day). On February 18, 2014, (which was the first business day after the mandatory settlement date of February 15, 2014) we issued to holders of Purchase Contracts an aggregate of 6,085,224 shares of our Class A Common Stock in settlement of an aggregate of 1,276,933 Purchase Contracts (such amount was based on a settlement rate of 4.7655 shares of Class A Common Stock for each Purchase Contract). In addition, we paid a de minimis amount of cash to holders of the Purchase Contracts in lieu of fractional shares. Accordingly, as of October 31, 2014, we had no Purchase Contracts or Senior Subordinated Amortizing Notes outstanding.