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Note 12 - Senior Exchangeable Notes (Details Textual)
9 Months Ended
Jun. 01, 2013
USD ($)
Jul. 31, 2016
USD ($)
shares
Oct. 31, 2015
Oct. 02, 2012
USD ($)
$ / shares
shares
The 6.00% Exchangeable Note Units [Member] | Exchangeable Note Units [Member]        
Debt Instrument, Face Amount | $       $ 100,000,000
Debt Instrument, Interest Rate, Stated Percentage       6.00%
Note Units Number       100,000
Note Units Stated Amount | $       $ 1,000
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%
Shares Issued Upon Conversion of Convertible Debt | shares       185.5288
Share Price for Exchangeable Note Conversion       $ 5.39
Senior Exchangeable Notes Exchanged for Class A Common Stock | shares   18,305    
Debt Conversion, Converted Instrument, Shares Issued | shares   3,400,000    
The 11.0% 2017 Amortizing Note [Member] | Senior Amortizing Notes [Member]        
Debt Instrument, Interest Rate, Stated Percentage   11.00% 11.00% 11.00%
Senior Amortizing Notes [Member]        
Debt Instrument, Interest Rate, Stated Percentage   11.00%    
Debt Instrument, Periodic Payment, Interest | $ $ 39.83 $ 30