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Note 13 - Senior Exchangeable Notes (Details) (USD $)
3 Months Ended 9 Months Ended 9 Months Ended 0 Months Ended 9 Months Ended
Jan. 31, 2013
Feb. 15, 2014
Oct. 02, 2012
Jul. 31, 2014
Common Class A [Member]
Oct. 02, 2012
Exchangeable Note Units [Member]
The 6.00% Exchangeable Note Units [Member]
Oct. 02, 2012
Senior Exchangeable Notes Due 2017 [Member]
Jul. 31, 2014
Senior Exchangeable Notes [Member]
Senior Exchangeable Notes Due 2017 [Member]
Oct. 02, 2012
Senior Exchangeable Notes [Member]
Senior Exchangeable Notes Due 2017 [Member]
Oct. 02, 2012
Senior Amortizing Notes [Member]
The 6.00% Exchangeable Note Units [Member]
Jul. 31, 2014
Senior Amortizing Notes [Member]
The 11.0% 2017 Amortizing Note [Member]
Oct. 31, 2013
Senior Amortizing Notes [Member]
The 11.0% 2017 Amortizing Note [Member]
Oct. 02, 2012
Senior Amortizing Notes [Member]
The 11.0% 2017 Amortizing Note [Member]
Jun. 01, 2013
Senior Amortizing Notes [Member]
Jul. 31, 2014
Senior Amortizing Notes [Member]
Oct. 02, 2012
Senior Amortizing Notes [Member]
Note 13 - Senior Exchangeable Notes (Details) [Line Items]                              
Exchangeable Note Unit Face Amount (in Dollars)     $ 100,000,000                        
Debt Instrument, Interest Rate, Stated Percentage   7.25%     6.00%       6.00% 11.00% 11.00% 11.00%      
Note Units Number         100,000                    
Note Units Stated Amount           1,000                 1,000
Number of Coupons     0                        
Note Units Initial Principal Amount Exchangeable Note               768.51              
Note Units Principal Amount At Maturity               1,000              
Note Units Initial Principal Amount Senior Amortizing Note                       231.49      
Debt Instrument, Interest Rate, Effective Percentage               5.17%              
Convertible Debt Shares Issued Upon Conversion               185.5288              
Share Price For Exchangeable Note Conversion               5.39              
Senior exchangeable notes exchanged for Class A Common Stock (in Shares) 18,305           18,305                
Debt Conversion, Converted Instrument, Shares Issued (in Shares)       3,400,000                      
Debt Instrument, Periodic Payment, Interest (in Dollars)                         $ 39.83 $ 30.00