Income Taxes - Unrecognized Tax Benefits (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Jun. 30, 2012
Income Taxes [Line Items]
Balance of gross unrecognized tax benefits as of July 1, 2011	$ 165
Reductions to unrecognized tax benefits resulting from changes in reserve percentages	(39)
Balance of gross unrecognized tax benefits as of June 30, 2012	126
Gross unrecognized tax benefits, tax component, beginning of period	165
Reductions to unrecognized tax benefits resulting from changes in reserve percentages, tax component	(39)
Gross unrecognized tax benefits, tax component, end of period	$ 126

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The portion of the gross amount of decreases in unrecognized tax benefits resulting from changes in reserve percentages.

+ References

No definition available.

+ Details

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- Definition

The portion of the gross amount of decreases in unrecognized tax benefits resulting from changes in reserve percentages, attributable only to taxes (i.e., excludes interest and penalties).

+ References

No definition available.

+ Details

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- Definition

The portion of unrecognized tax benefits attributable only to taxes (i.e., excludes interest and penalties).

+ References

No definition available.

+ Details

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- Definition

The portion of unrecognized tax benefits attributable only to taxes (i.e., excludes interest and penalties).

+ References

No definition available.

+ Details

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- Definition

The gross amount of unrecognized tax benefits pertaining to uncertain tax positions taken in tax returns as of the balance sheet date.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Unrecognized Tax Benefit

-URI http://asc.fasb.org/extlink&oid=6527854

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 50

-Paragraph 15A

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=6907707&loc=SL6600010-109319

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name FASB Interpretation (FIN)

-Number 48

-Paragraph 21

-Subparagraph a

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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