Stockholders' Equity Stockholders' Equity Narrative (Details)	12 Months Ended
Jun. 30, 2012 purchase_periods
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares available for issuance	2,783,000
2008 ESPP [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Length of offering period	24 months
Offering period interval	6 months
Number of purchase periods in each offering period	4
Length of each purchase period	6 months
Maximum employee contributions, percent of individual salary	15.00%
Maximum shares an employee can purchase each purchase period	1,200
Employee purchase discounted price, percent of fair market value	85.00%
Shares available for issuance	422,328

Share-based Compensation Arrangement by Share-based Payment Award, Length of Purchase Periods

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- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Number of Purchase Period in each Offering Period.

+ References

No definition available.

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- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Offering Period

+ References

No definition available.

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- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Offering Period, interval between start dates of each offering period.

+ References

No definition available.

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- Definition

Aggregate number of common shares reserved for future issuance.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 129

-Paragraph 4

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.29)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Definition

The highest percentage of annual salary that an employee is permitted to utilize with respect to the plan.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 123R

-Paragraph 65

-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 FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 123R

-Paragraph A240

-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

The highest quantity of shares an employee can purchase under the plan per period.

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- Definition

Purchase price of common stock expressed as a percentage of its fair market value.

+ References

No definition available.

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