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Note 12 - Tangible Equity Units (Details) (USD $)
1 Months Ended 1 Months Ended 3 Months Ended 36 Months Ended
Jan. 31, 2014
Feb. 14, 2011
Feb. 09, 2011
Feb. 18, 2014
Subsequent Event [Member]
Common Class A [Member]
Feb. 15, 2014
Subsequent Event [Member]
Common Class A [Member]
Minimum [Member]
Feb. 15, 2014
Subsequent Event [Member]
Common Class A [Member]
Maximum [Member]
Feb. 18, 2014
Subsequent Event [Member]
Feb. 15, 2014
Subsequent Event [Member]
Jan. 31, 2014
Common Class A [Member]
Jan. 31, 2014
Common Class A [Member]
Jan. 31, 2014
Common Class A [Member]
Minimum [Member]
Jan. 31, 2014
Senior Subordinated Amortizing Notes [Member]
The 7.25% Senior Subordinated Amorizing Notes [Member]
Oct. 31, 2013
Senior Subordinated Amortizing Notes [Member]
The 7.25% Senior Subordinated Amorizing Notes [Member]
Feb. 09, 2011
Senior Subordinated Amortizing Notes [Member]
The 7.25% Senior Subordinated Amorizing Notes [Member]
Jan. 31, 2014
Senior Subordinated Amortizing Notes [Member]
Oct. 31, 2013
Senior Subordinated Amortizing Notes [Member]
Note 12 - Tangible Equity Units (Details) [Line Items]                                
Tangible Equity Units, Units Issued   450,000 3,000,000                          
Debt Instrument, Interest Rate, Stated Percentage               7.25%       7.25% 7.25% 7.25%    
Adjustments To Additional Paid In Capital Issuance Of Prepaid Common Stock Purchase Contracts (in Dollars)   $ 68,100,000                            
Tangible Equity Units, Number Converted 2,200,000                              
Prepaid Stock Purchase Contracts Shares Settled       6,085,224         0 10,400,000            
Senior Notes (in Dollars)                       1,100,000     1,092,000 2,152,000 [1]
Tangible Equity Units, Cash Installment, Per Note (in Dollars per share)                       $ 0.453125        
Tangible Equity Units, Stated Amount (in Dollars) $ 25                              
Tangible Equity Units, Annual Interest Rate                       12.072%        
Tangible Equity Units, Number of Shares Upon Conversion, Per Unit       4.7655 4.7655 5.8140         4.7655          
Purchase Contracts Settled             1,276,933                  
[1] Derived from the audited balance sheet as of October 31, 2013.