Fair Value of Financial Instruments - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2011
Fair Value Disclosures [Abstract]
Change in the fair value of the liability related to the LNX earn-out	$ 0	$ (4,938)	$ 0

Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability1

No definition available.

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Period Type:	duration