Share Repurchase Program (Details) (USD $) In Millions, except Share data, unless otherwise specified	9 Months Ended	12 Months Ended
Oct. 31, 2012	Jan. 31, 2012	Sep. 30, 2011
Share Repurchase Program (Textual) [Abstract]
Common stock, shares, repurchase program			2,000,000
Repurchases of common stock	0	125,000
Repurchases of stock, value	$ 0	$ 2.9
Share repurchase description	The Company’s new credit agreement prohibits the repurchase of shares until February 2014, after which repurchases may be made subject to compliance with certain covenants.

Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section S99

-Paragraph 1

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-Name Accounting Principles Board Opinion (APB)

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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-Publisher AICPA

-Name Accounting Research Bulletin (ARB)

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 5: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

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