Components of Income (Loss) From Continuing Operations Before Income Taxes (Detail) (USD $) In Thousands, unless otherwise specified	6 Months Ended	9 Months Ended	12 Months Ended
Dec. 31, 2011	Dec. 31, 2010	Sep. 30, 2012	Sep. 30, 2011	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2009
Income Taxes [Line Items]
United States	$ (1,375)	$ 5,368			$ 10,585	$ (29,602)	$ (5,864)
Foreign	(4,234)	88			581	177	6
Income (loss) before provision for income taxes	$ (5,609)	$ 5,456	$ (26,898)	$ 6,000	$ 11,166	$ (29,425)	$ (5,858)

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The portion of earnings or loss from continuing operations before income taxes that is attributable to domestic operations.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 235

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.4-08.(h)(1)(i))

-URI http://asc.fasb.org/extlink&oid=6881521&loc=d3e23780-122690

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 08

-Paragraph h

-Subparagraph 1(i)

-Article 4

+ Details

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- Definition

The portion of earnings or loss from continuing operations before income taxes that is attributable to foreign operations, which is defined as Income or Loss generated from operations located outside the entity's country of domicile.

+ References

+ Details

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- Definition

Sum of operating profit and nonoperating income or expense before Income or Loss from equity method investments, income taxes, extraordinary items, and noncontrolling interest.

+ References

+ Details

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