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Financial Instruments - Carrying Amounts and Fair Values of Financial Instruments, Other than Receivables and Accounts Payable (Detail) - USD ($)
$ in Thousands
Jul. 31, 2017
Oct. 31, 2016
Jul. 31, 2016
Oct. 31, 2015
Schedule Of Carrying Amounts And Fair Values Of Financial Instruments [Abstract]        
Cash and cash equivalents, Carrying Amount $ 110,705 $ 67,239 $ 60,294 $ 50,268
Notes payable, Carrying Amount 957 $ 2,141    
Long-term debt, including current maturities, Carrying Amount 1,696,263      
Foreign currency forward contracts (net), Carrying Amount (3,253)      
Cash and cash equivalents, Fair Value 110,705      
Notes payable, Fair Value 957      
Long-term debt, including current maturities, Fair Value 1,703,180      
Foreign currency forward contracts (net), Fair Value $ (3,253)