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

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- Definition

Amount of cash paid to acquire the entity.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141R

-Paragraph 68

-Subparagraph f(1)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141

-Paragraph 51

-Subparagraph d

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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

+ Details

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- Definition

Value of equity interests (such as common shares, preferred shares, or partnership interest) issued or issuable to acquire the entity.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141

-Paragraph 51

-Subparagraph d

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Emerging Issues Task Force (EITF)

-Number 99-12

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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

+ Details

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- Definition

Number of shares of equity interests issued or issuable to acquire entity.

+ References

+ Details

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Namespace Prefix:	us-gaap_
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Subsequent Events (Details) (USD $)					3 Months Ended
Subsequent Events (Details) (USD $)	Dec. 01, 2011	Nov. 01, 2011	Jun. 17, 2011	Sep. 30, 2010	Mar. 31, 2013 Pure Commerce Pty Ltd [Member]	Jan. 04, 2013 Pure Commerce Pty Ltd [Member]	Jan. 04, 2013 Australia, Dollars Pure Commerce Pty Ltd [Member]
Subsequent Event [Line Items]
Business Acquisition, Cost of Acquired Entity, Cash Paid	$ 18,300,000	$ 5,300,000	$ 3,400,000	$ 1,000,000		$ 31,200,000
Business Acquisition, Equity Interest Issued or Issuable, Value Assigned						5,200,000
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares					224,425
Business Acquisition, Contingent Consideration, Potential Cash Payment							$ 30,000,000