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Estimated Future Amortization of Intangible Assets (Detail) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Oct. 31, 2013
Expected Amortization Expense [Line Items]  
2014 $ 111,023
2015 93,400
2016 58,742
2017 26,012
2018 14,414
2019 and thereafter 27,536
IPR&D 4,298 [1]
Total $ 335,425
[1] IPR&D projects are estimated to be completed within two years as of October 31, 2013. Assets are amortized over their useful life upon completion of the project or are written off upon abandonment.