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Income Taxes (Details 1) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Oct. 31, 2011
Oct. 31, 2010
Oct. 31, 2009
Income (loss) before provision (benefit) for income taxes:      
United States $ (240,244) $ (317,899) $ (591,637)
Foreign 52,396 (13,674) 9,159
Loss before income taxes $ (187,848) $ (331,573) $ (582,478)