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Note 14 - Per Share Calculations (Details)
12 Months Ended 12 Months Ended
Oct. 31, 2013
Feb. 09, 2011
Oct. 31, 2012
Exchangeable Debt [Member]
Oct. 31, 2013
Non-Vested Stock and Outstanding Options [Member]
Oct. 31, 2012
Non-Vested Stock and Outstanding Options [Member]
Oct. 31, 2013
Out of the Money Stock Options [Member]
Oct. 31, 2012
Out of the Money Stock Options [Member]
Oct. 31, 2011
Out of the Money Stock Options [Member]
Oct. 31, 2013
Common Class A [Member]
Minimum [Member]
Feb. 09, 2011
Common Class A [Member]
Minimum [Member]
Oct. 31, 2013
Common Class A [Member]
Maximum [Member]
Feb. 09, 2011
Common Class A [Member]
Maximum [Member]
Oct. 31, 2013
Minimum [Member]
Oct. 31, 2013
Maximum [Member]
Note 14 - Per Share Calculations (Details) [Line Items]                            
Prepaid Stock Purchase Contracts, Shares Included in Basic Earnings Per Share 6,100,000                          
Tangible Equity Units, Rate 7.25% 7.25%                        
Tangible Equity Units, Number of Shares Upon Conversion, Per Unit                 4.7655 4.7655 5.8140 5.8140 4.7655 5.8140
Exchangeable Note Unit Rate Stated Percentage 6.00%                          
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount     18,600,000 200,000 300,000 2,200,000 2,500,000 5,100,000