Derivatives (Outstanding Foreign Exchange Forward Contracts) (Details) - Cash Flow Hedging - Forward Contracts $ in Thousands	Oct. 31, 2015 USD ($)
Inter-company Inventory and Accounts Receivables | Euro Member Countries, Euro
Derivative [Line Items]
Notional Amount	$ 68,803	[1]
Inter-company Inventory and Accounts Receivables | Canada, Dollars
Derivative [Line Items]
Notional Amount	11,027	[1]
Inter-company Inventory and Accounts Receivables | United Kingdom, Pounds
Derivative [Line Items]
Notional Amount	22,992	[1]
Assets and Liabilities | Euro Member Countries, Euro
Derivative [Line Items]
Notional Amount	18,772	[2]
Assets and Liabilities | Japan, Yen
Derivative [Line Items]
Notional Amount	13,232	[2]
Assets and Liabilities | United Kingdom, Pounds
Derivative [Line Items]
Notional Amount	6,887	[2]
Assets and Liabilities | Singapore, Dollars
Derivative [Line Items]
Notional Amount	6,449	[2]
Assets and Liabilities | Hong Kong, Dollars
Derivative [Line Items]
Notional Amount	$ 1,936	[2]

[1] Amounts are reported in U.S. Dollar equivalent as of October 31, 2015.

[2] Amounts are reported in U.S. Dollar equivalent as of October 31, 2015.