Financial Instruments - Carrying Amounts and Fair Values of Financial Instruments, Other than Receivables and Accounts Payable (Detail) - USD ($) $ in Thousands	Jul. 31, 2015	Oct. 31, 2014	Jul. 31, 2014	Oct. 31, 2013
Schedule Of Carrying Amounts And Fair Values Of Financial Instruments [Abstract]
Cash and cash equivalents, Carrying Amount	$ 61,000	$ 42,314	$ 53,223	$ 42,375
Notes payable, Carrying Amount	5,106	$ 106,181
Long-term debt, including current maturities, Carrying Amount	933,475
Foreign currency forward contracts (net), Carrying Amount	312
Cash and cash equivalents, Fair Value	61,000
Notes payable, Fair Value	5,106
Long-term debt, including current maturities, Fair Value	930,388
Foreign currency forward contracts (net), Fair Value	$ 312