Operating Segment, Geographic Information and Significant Customers - 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, 2015	Mar. 31, 2014	Mar. 31, 2015	Mar. 31, 2014
Segment Reporting [Abstract]
Income (loss) from continuing operations	$ 4,694	$ (270)	$ 8,297	$ (3,361)
Interest expense, net	1	9	10	31
Tax provision (benefit)	1,469	(809)	2,516	(2,570)
Depreciation	1,510	1,923	4,800	5,839
Amortization of intangible assets	1,744	1,777	5,268	5,565
Restructuring and other charges	27	3,477	2,457	3,559
Stock-based compensation expense	1,870	1,666	6,676	7,270
Adjusted EBITDA	11,515	7,773	30,224	16,333
Acquisition and Financing Costs	$ 200	$ 0	$ 200	$ 0