Business Acquisition, Contingent Consideration, Cash Paid to Settle

No definition available.

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- Definition

Business Acquisition, Contingent Consideration, Gain (Loss) On Settlement

+ References

No definition available.

+ Details

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- Definition

Amount of potential cash payments that could result from the contingent consideration arrangement.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141

-Paragraph 51

-Subparagraph f

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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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- Definition

Amount paid or received to resolve the preacquisition contingency.

+ References

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

-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 2

-Section A

-Subsection 7

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141

-Paragraph 40, 41, 51

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (d)

-URI http://asc.fasb.org/extlink&oid=6910749&loc=d3e4845-128472

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Acquisitions of and Investments in Businesses and Technologies (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended		3 Months Ended
	Oct. 31, 2012	Oct. 31, 2011	Apr. 30, 2012 Ranchview [Member]	Jan. 31, 2013 Ranchview [Member]	Nov. 30, 2009 Ranchview [Member]	Jan. 31, 2013 Receipt of SSRS Orders January 2013 [Member] Vista Research [Member]	Nov. 09, 2012 Receipt of SSRS Orders January 2013 [Member] Vista Research [Member]	Jan. 31, 2014 Receipt of SSRS Orders January 2014 [Member] Vista Research [Member]
Business Acquisition [Line Items]
Business Acquisition, Contingent Consideration, Potential Cash Payment					$ 4,000	$ 3,250		$ 3,250
Cash paid to settle outstanding contingent consideration				1,841
Gain on acquisition-related contingent liability settlement	(508)	0	508
Business Acquisition, Preacquisition Contingency, Amount of Settlement							$ 3,250