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Note 13 - Senior Exchangeable Notes (Details) (USD $)
3 Months Ended 3 Months Ended 3 Months Ended 0 Months Ended 6 Months Ended
Jan. 31, 2013
Feb. 15, 2014
Oct. 02, 2012
Jan. 31, 2014
Common Class A [Member]
Oct. 02, 2012
Exchangeable Note Units [Member]
The 6.00% Exchangeable Note Units [Member]
Jan. 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]
Apr. 30, 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. 02, 2013
Senior Amortizing Notes [Member]
Apr. 30, 2014
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%     11.00% 11.00% 11.00%    
Note Units Number     100,000                  
Note Units Stated Amount     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