Operating Segment, Geographic Information and Significant Customers - Reconciles Net Income (loss), Most Directly Comparable GAAP Financial Measure to Adjusted EBITDA (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2015	Dec. 31, 2014
Segment Reporting [Abstract]
Income from continuing operations	$ 4,793	$ 2,886	$ 6,753	$ 3,603
Interest expense, net	(21)	4	(43)	9
Tax provision	1,680	1,047	2,944	1,047
Depreciation	1,620	1,590	3,208	3,290
Amortization of intangible assets	1,638	1,762	3,351	3,524
Restructuring and other charges	221	1,162	559	2,430
Impairment of Intangible Assets, Finite-lived	231	0	231	0
Stock-based compensation expense	2,392	2,256	5,094	4,807
Adjusted EBITDA	12,579	10,707	24,420	18,710
Acquisition and Financing Costs	25	0	2,323	0
Fair Value Adjustments From Purchase Accounting	$ 0	$ 0	$ 0	$ 0