Operating Segment, Geographic Information and Significant Customers - Reconciles Net Income, Most Directly Comparable GAAP Financial Measure to Adjusted EBITDA (Detail) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2014
Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Abstract]
Income (loss) from continuing operations	$ 7,489	$ 4,357	$ 5,040	$ 2,856	$ 6,132	$ 4,694	$ 2,886	$ 717	$ 19,742	$ 14,429	$ (4,072)
Tax provision (benefit)	$ 1,101	$ 2,642	$ 1,433	$ 368	$ 1,850	$ 1,469	$ 1,047	$ 0	5,544	4,366	(1,841)
Depreciation									6,900	6,332	7,625
Amortization of intangible assets									8,842	7,008	7,328
Restructuring and other charges									1,341	3,475
Stock-based compensation expense									$ 9,574	$ 8,640	$ 8,999