Financial Instruments - Carrying Amounts and Fair Values of Financial Instruments, Other than Receivables and Accounts Payable (Detail) - USD ($) $ in Thousands	Jan. 31, 2017	Oct. 31, 2016	Jan. 31, 2016	Oct. 31, 2015
Schedule Of Carrying Amounts And Fair Values Of Financial Instruments [Abstract]
Cash and cash equivalents, Carrying Amount	$ 87,658	$ 67,239	$ 60,736	$ 50,268
Notes payable, Carrying Amount	4,046	$ 2,141
Long-term debt, including current maturities, Carrying Amount	950,486
Foreign currency forward contracts (net), Carrying Amount	(253)
Cash and cash equivalents, Fair Value	87,658
Notes payable, Fair Value	4,046
Long-term debt, including current maturities, Fair Value	951,966
Foreign currency forward contracts (net), Fair Value	$ (253)