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		9 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Mar. 31, 2016	Mar. 31, 2015
Segment Reporting [Abstract]
Income from continuing operations	$ 4,526	$ 4,694	$ 11,279	$ 8,297
Interest expense, net	(36)	1	(79)	10
Tax provision	2,473	1,469	5,417	2,516
Depreciation	1,565	1,510	4,773	4,800
Amortization of intangible assets	1,754	1,744	5,105	5,268
Restructuring and other charges	409	27	968	2,457
Impairment of Intangible Assets, Finite-lived	0	0	231	0
Stock-based compensation expense	2,150	1,870	7,244	6,676
Adjusted EBITDA	14,566	11,515	38,986	30,224
Acquisition and Financing Costs	1,725	200	4,048	200
Fair Value Adjustments From Purchase Accounting	$ 0	$ 0	$ 0	$ 0