Stock Options and Incentive Compensation Incentive Bonus Plan (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended	12 Months Ended
Jul. 31, 2013	Oct. 31, 2013	Oct. 31, 2013 Eligible Corporate Employees [Member]	Oct. 31, 2012 Eligible Corporate Employees [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Document Period End Date	Oct. 31, 2013	Oct. 31, 2013
Accrued Bonus			$ 3,293	$ 3,176
Accrued Bonus, Criteria Based Upon Achieving Employee Specific Goals		50.00%
Accured Bonus, Criteria Based Upon Achieving Company Goals		50.00%

Carrying value as of the balance sheet date of obligations incurred and payable for incentive compensation awarded to employees and directors or earned by them based on the terms of one or more relevant arrangements.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-03.15(5))

-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.7-03.15(a))

-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 15

-Subparagraph a

-Article 7

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 15

-Subparagraph 5

-Article 9

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