Reconciles Net Income (loss), Most Directly Comparable GAAP Financial Measure to Adjusted EBITDA (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2013	Dec. 31, 2012
Segment Reporting [Abstract]
Net loss	$ (1,045)	$ (4,784)	$ (3,301)	$ (11,984)
Interest expense, net	8	13	22	19
Tax benefit	(593)	(2,192)	(1,872)	(5,843)
Depreciation	1,981	2,191	3,993	4,402
Amortization of intangible assets	1,927	2,230	4,035	4,018
Restructuring and other charges	97	217	82	5,201
Acquisition costs and other related expenses	0	42	0	272
Fair value adjustments from purchase accounting	0	1,272	0	2,197
Stock-based compensation expense	2,717	2,010	5,752	4,359
Adjusted EBITDA	$ 5,092	$ 999	$ 8,711	$ 2,641