Range of amount to be paid or to be received to resolve the preacquisition contingency.

No definition available.

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- Definition

Business acquisition preacquisition contingency potential exposure fair value.

+ References

No definition available.

+ Details

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- Definition

Amount recognized as of the acquisition date for the identifiable assets acquired in excess of (less than) the aggregate liabilities assumed.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (c)

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

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 10

-Section 55

-Paragraph 37

-URI http://asc.fasb.org/extlink&oid=25498275&loc=d3e2207-128464

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- Definition

Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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- Definition

The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Investing Activities

-URI http://asc.fasb.org/extlink&oid=6516133

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 13

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3213-108585

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Acquisitions (Details Textual) (USD $)		6 Months Ended				6 Months Ended
Acquisitions (Details Textual) (USD $)	Jan. 31, 2014	Jan. 31, 2014 Minimum	Jan. 31, 2014 Maximum	Jan. 31, 2013 Salvage vehicle auction business and online marketing company	Jan. 31, 2014 Salvage vehicle auction business and online marketing company	Jan. 31, 2014 Salvage vehicle auction business and online marketing company Covenants not to compete Minimum	Jan. 31, 2014 Salvage vehicle auction business and online marketing company Covenants not to compete Maximum	Jan. 31, 2014 Salvage vehicle auction business and online marketing company Supply contracts Minimum	Jan. 31, 2014 Salvage vehicle auction business and online marketing company Supply contracts Maximum	Jan. 31, 2014 Salvage vehicle auction business and online marketing company Trade name Minimum	Jan. 31, 2014 Salvage vehicle auction business and online marketing company Trade name Maximum	Jan. 31, 2014 Salvage vehicle auction business and online marketing company Licenses and databases Minimum	Jan. 31, 2014 Salvage vehicle auction business and online marketing company Licenses and databases Maximum	Jan. 31, 2014 Salvage vehicle auction business and online marketing company Software Minimum	Jan. 31, 2014 Salvage vehicle auction business and online marketing company Software Maximum	Jan. 31, 2014 Salvage vehicle auction business and online marketing company Customer relationships Minimum	Jan. 31, 2014 Salvage vehicle auction business and online marketing company Customer relationships Maximum
Business Acquisition [Line Items]
Purchase price				$ 34,933,000	$ 14,761,000
Purchase price to acquire Businesses				34,900,000
Useful life of intangible assets						3 years	8 years	3 years	8 years	3 years	8 years	3 years	8 years	3 years	8 years	3 years	8 years
Business acquisition preacquisition contingency, Range		7,000,000	28,000,000
Business acquisition preacquisition contingency potential exposure fair value	$ 14,000,000