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Note 11 - Senior Secured, Senior, Senior Exchangeable, Senior Amortizing and Senior Subordinated Notes (Details) (USD $)
3 Months Ended 0 Months Ended 0 Months Ended 0 Months Ended
Jan. 31, 2014
Feb. 09, 2014
Subsequent Event [Member]
Senior Notes [Member]
The 6.25% 2015 Notes [Member]
Jan. 10, 2014
Subsequent Event [Member]
Senior Notes [Member]
The 6.25% 2015 Notes [Member]
Feb. 15, 2014
Subsequent Event [Member]
Jan. 10, 2014
Redemption With Net Cash Proceeds From Certain Equity Offerings [Member]
Debt Instrument, Redemption, Period One [Member]
Senior Notes [Member]
The 7.0% 2019 Notes [Member]
Jan. 10, 2014
Debt Instrument, Redemption, Period One [Member]
Senior Notes [Member]
The 7.0% 2019 Notes [Member]
Jan. 10, 2014
Debt Instrument, Redemption, Period One [Member]
Maximum [Member]
Senior Notes [Member]
The 7.0% 2019 Notes [Member]
Jan. 10, 2014
Debt Instrument, Redemption, Period Two [Member]
Senior Notes [Member]
The 7.0% 2019 Notes [Member]
Jan. 10, 2014
Debt Instrument, Redemption, Period Three [Member]
Senior Notes [Member]
The 7.0% 2019 Notes [Member]
Jan. 10, 2014
Debt Instrument, Redemption, Period Four [Member]
Senior Notes [Member]
The 7.0% 2019 Notes [Member]
Jan. 31, 2014
Secured Group [Member]
Senior Secured Notes [Member]
The 2.0% 2021 Notes Member and 5.0% 2021 Notes [Member]
Jan. 31, 2014
Senior Secured Notes [Member]
The 5.0% 2021 Notes [Member]
Oct. 31, 2013
Senior Secured Notes [Member]
The 5.0% 2021 Notes [Member]
Jan. 31, 2014
Senior Secured Notes [Member]
The 2.0% 2021 Notes [Member]
Oct. 31, 2013
Senior Secured Notes [Member]
The 2.0% 2021 Notes [Member]
Jan. 31, 2014
Senior Secured Notes [Member]
The 7.25% 2020 Notes [Member]
Oct. 31, 2013
Senior Secured Notes [Member]
The 7.25% 2020 Notes [Member]
Jan. 31, 2014
Senior Secured Notes [Member]
The 9.125% 2020 Notes [Member]
Oct. 31, 2013
Senior Secured Notes [Member]
The 9.125% 2020 Notes [Member]
Jan. 31, 2014
Senior Secured Notes [Member]
The 7.25% 2020 Notes and 9.125% 2020 Notes [Member]
Letter of Credit [Member]
Jan. 31, 2014
Senior Secured Notes [Member]
The 7.25% 2020 Notes and 9.125% 2020 Notes [Member]
Jan. 31, 2014
Senior Secured Notes [Member]
The 2.0% 2021 Notes Member and 5.0% 2021 Notes [Member]
Jan. 10, 2014
Senior Notes [Member]
The 7.0% 2019 Notes [Member]
Jan. 31, 2014
Senior Notes [Member]
Note 11 - Senior Secured, Senior, Senior Exchangeable, Senior Amortizing and Senior Subordinated Notes (Details) [Line Items]                                                
Debt Instrument, Interest Rate, Stated Percentage   6.25% 6.25% 7.25%               5.00% 5.00% 2.00% 2.00% 7.25% 7.25% 9.125% 9.125%       7.00%  
Debt Covenant Fixed Charge Coverage Ratio Minimum 2.0                                              
Preferred Stock, Dividend Rate, Percentage 7.625%                                              
Debt Collateral (in Dollars)                                         $ 589,200,000 $ 64,300,000   $ 94,200,000
Cash Collateral for Borrowed Securities (in Dollars)                                       5,100,000 223,300,000      
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures (in Dollars)                     43,000,000                          
Debt Instrument, Face Amount (in Dollars)                                             150,000,000  
Proceeds from Issuance of Long-term Debt (in Dollars)                                             147,800,000  
Debt Instrument, Redemption Price, Percentage         107.00% 100.00%   103.50% 101.75% 100.00%                            
Debt Instrument, Redemption Price, Percentage of Principal Amount Redeemed             35.00%                                  
Debt Instrument, Repurchased Face Amount (in Dollars)   21,400,000 21,400,000                                          
Gains (Losses) on Extinguishment of Debt (in Dollars)   $ 1,200,000