Liabilities and Restructuring Charges - Components of Other Long Term Liabilities (Detail) - USD ($) $ in Thousands	Apr. 30, 2016	Oct. 31, 2015
Liabilities, Other than Long-term Debt, Noncurrent [Abstract]
Deferred compensation liability	$ 157,135	$ 158,462
Other long-term liabilities	47,020	43,559
Total	$ 204,155	$ 202,021	[1]

[1] Derived from audited financial statements.