Income Taxes Tax Credits (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended	3 Months Ended
	Oct. 31, 2014	Jan. 31, 2015	Oct. 31, 2013
Operating Loss Carryforwards [Line Items]
Deferred Tax Assets, Valuation Allowance	$ 3,630		$ 4,014
Valuation Allowance, Deferred Tax Asset, Change in Amount	(384)
Change in valuation allowance attributable to opening balance sheet	1,577
Change in valuation allowance attributable to foreign currency translation	(152)
Change in Valuation Allowance attributable to state and local operating loss carryforwards	428
Change in Valuation Allowance attributable to foreign operating loss carryforwards	544
Change in Valuation allowance attributable to flat tax credits associated with foreign jurisdictions	(573)
Change in Valuation Allowance related to Other Foreign Deferred Tax Assets	(2,171)
Change in Valuation Allowance related to the future utilization of foreign tax credits	(37)
Scenario, Forecast [Member]
Operating Loss Carryforwards [Line Items]
Estimated favorable impact of the Tax Increase Prevention Act passed into legislation		$ 1,100