Liabilities and Restructuring Charges - Components of Accounts Payable and Accrued Liabilities (Detail) - USD ($) $ in Thousands	Jan. 31, 2016	Oct. 31, 2015
Payables and Accruals [Abstract]
Payroll and related benefits	$ 171,906	$ 315,078
Other accrued liabilities	62,806	60,545
Accounts payable	20,160	9,919
Total	$ 254,872	$ 385,542	[1]

[1] Derived from audited financial statements.