Pleasant Prairie Pro Forma Results (Details) (Pleasant Prairie [Member], USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended	6 Months Ended
Apr. 30, 2013	Apr. 30, 2012	Apr. 30, 2013	Apr. 30, 2012
Pleasant Prairie [Member]
Business Acquisition [Line Items]
Business Combination, Pro Forma Information, Amortization of Intangible Assets	$ 308	$ 242	$ 582	$ 484
Business Acquisition, Pro Forma Revenue	182,146	183,066	337,779	334,460
Business Acquisition, Pro Forma Net Income (Loss)	$ 7,249	$ 6,609	$ 9,488	$ 8,242
Basic Earnings Per Share, Pro Forma	$ 0.43	$ 0.39	$ 0.56	$ 0.49
Diluted Earnings Per Share Pro Forma	$ 0.43	$ 0.39	$ 0.56	$ 0.49

Business Combination, Pro Forma Information, Amortization of Intangible Assets

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- Definition

Pro forma basic earnings per share or earnings per unit, which is commonly presented in initial public offerings based on the terms of the offering.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph b

-Subparagraph 7

-Article 11

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- Definition

The pro forma net Income or Loss for the period as if the business combination or combinations had been completed at the beginning of a period.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (h)(2)-(3)

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The pro forma revenue for a period as if the business combination or combinations had been completed at the beginning of the period.

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- Definition

Pro forma diluted earnings per share, which is commonly presented in initial public offerings.

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph b

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