Reconciles Net Income (loss), Most Directly Comparable GAAP Financial Measure to Adjusted EBITDA (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2014	Mar. 31, 2013
Segment Reporting [Abstract]
Net (loss) income	$ (578)	$ 788	$ (3,879)	$ (11,196)
Interest expense, net	9	5	31	24
Tax benefit	(848)	(2,232)	(2,720)	(8,075)
Depreciation	1,963	2,068	5,956	6,470
Amortization of intangible assets	1,901	2,356	5,936	6,374
Restructuring and other charges	3,502	228	3,584	5,429
Acquisition costs and other related expenses	0	32	0	304
Fair value adjustments from purchase accounting	0	96	0	2,293
Stock-based compensation expense	1,714	1,901	7,466	6,265
Adjusted EBITDA	$ 7,663	$ 5,242	$ 16,374	$ 7,888