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Reconciliation of Non-Controlling Interest Balance (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2010
Noncontrolling Interest [Line Items]
Balance at Beginning of Period	$ 6,755	$ 5,007
Net Income Attributable to Non-controlling Interest	816	427	74
Accretion of Non-controlling Interest Put Option	671	1,321	1,745
Balance at End of Period	$ 8,242	$ 6,755	$ 5,007

Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which is directly or indirectly attributable to that ownership interest in subsidiary equity which is not attributable to the parent (that is, noncontrolling interest, previously referred to as minority interest).

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- Definition

Amount of Net Income (Loss) attributable to noncontrolling interest.

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