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Note 13 (Details) (USD $) | 3 Months Ended | 9 Months Ended |  |  |  |  | 0 Months Ended |  | 0 Months Ended |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Jan. 31, 2013 | Jul. 31, 2013 | Oct. 02, 2012 Senior Exchangeable Notes [Member] Initial [Member] The 6.00% Exchangable Note Units [Member] | Oct. 02, 2012 Senior Exchangeable Notes [Member] The 6.00% Exchangable Note Units [Member] | Jul. 31, 2013 Senior Exchangeable Notes [Member] | Jan. 31, 2013 Senior Exchangeable Notes [Member] | Oct. 02, 2012 Senior Amortizing Notes [Member] Initial [Member] The 6.00% Exchangable Note Units [Member] | Oct. 02, 2012 Senior Amortizing Notes [Member] Additional [Member] The 6.00% Exchangable Note Units [Member] | Oct. 02, 2012 Senior Amortizing Notes [Member] Per Annum [Member] The 6.00% Exchangable Note Units [Member] | Oct. 02, 2012 Senior Amortizing Notes [Member] The 6.00% Exchangable Note Units [Member] | Jul. 31, 2013 Initial [Member] | Jul. 31, 2013 Additional [Member] | Jul. 31, 2013 The 6.00% Exchangable Note Units [Member] | Oct. 02, 2012 The 6.00% Exchangable Note Units [Member]
Note 13 (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Face Amount (in Dollars) |  |  |  |  |  |  |  |  |  |  | $ 992,000,000 | $ 460,600,000 |  | $ 100,000,000
Debt Instrument, Interest Rate, Stated Percentage |  |  |  |  |  |  | 11.00% |  | 11.00% |  |  |  | 6.00% | 6.00%
Note Units Number |  |  |  |  |  |  |  |  |  |  |  |  |  | 100,000
Note Units Stated Amount (in Dollars per Item) |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,000
Number of Coupons |  |  | 0 |  |  |  |  |  |  |  |  |  |  |
Note Units Initial Principal Amount Exchangeable Note (in Dollars per Item) |  |  | 768.51 |  |  |  |  |  |  |  |  |  |  |
Note Units Principal Amount At Maturity (in Dollars per Item) |  |  | 1,000 |  |  |  |  |  |  |  |  |  |  |
Note Units Initial Principal Amount Senior Amortizing Note (in Dollars per Item) |  |  |  |  |  |  | 231.49 |  |  |  |  |  |  |
Debt Instrument, Interest Rate, Effective Percentage |  |  |  | 5.17% |  |  |  |  |  |  |  |  |  |
Convertible Debt Shares Issued Upon Conversion (in Dollars per Item) |  |  |  | 185.5288 |  |  |  |  |  |  |  |  |  |
Share Price For Exchangeable Note Conversion (in Dollars per Item) |  |  |  | 5.39 |  |  |  |  |  |  |  |  |  |
Debt Instrument Periodic Payments (in Dollars) |  |  |  |  |  |  |  | $ 39.83 |  | $ 30.00 |  |  |  |
Senior exchangeable notes exchanged for Class A Common Stock (in Shares) |  |  |  |  | 18,305 | 18,305 |  |  |  |  |  |  |  |
Stock Issued During Period, Shares, Conversion of Convertible Securities (in Shares) | 3,396,102 | 3,400,000 |  |  |  |  |  |  |  |  |  |  |  |

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