Liabilities and Restructuring Charges - Components of Other Long Term Liabilities (Detail) - USD ($) $ in Thousands	Jul. 31, 2015	Oct. 31, 2014
Liabilities, Other than Long-term Debt, Noncurrent [Abstract]
Deferred compensation liability	$ 161,087	$ 145,508
Other long-term liabilities	43,018	13,464
Total	$ 204,105	$ 158,972	[1]

[1] Derived from audited financial statements.