Commitments and Contingencies (Details 1) (Ministry of Finance, India [Member], USD $) In Millions, unless otherwise specified			3 Months Ended
Jan. 31, 2014	Oct. 31, 2013	Jan. 31, 2014 Maximum
Income Tax Examination [Line Items]
Accrued liabilities related to contingencies	$ 0.4	$ 0.4
Estimate of possible loss			$ 3.5

The amount of estimated penalties and interest accrued as of the balance sheet date arising from income tax examinations.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 50

-Paragraph 15

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32718-109319

Name:	us-gaap_IncomeTaxExaminationPenaltiesAndInterestAccrued
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant