Estimated Annual Amortization Expense (Detail) (USD $) In Thousands, unless otherwise specified	Oct. 31, 2013
Amortization Expense [Line Items]
Estimated Amortization Expense 2014	$ 26,781
Estimated Amortization Expense 2015	22,590
Estimated Amortization Expense 2016	19,739
Estimated Amortization Expense 2017	17,096
Estimated Amortization Expense 2018	14,480
Total Estimated Amortization Expense	$ 100,686