Operating Segment, Geographic Information and Significant Customers - Summary of Performance of Operations by Reportable Segment (Detail) - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues	$ (58,409)	$ (54,061)
Adjusted EBITDA	11,841	8,003
MCE
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues	(50,005)	(48,556)
MDS
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues	(8,017)	(5,379)
Segment Reconciling Items [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues	(387)	(126)
Intersegment Eliminations [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues	3,045	641
Intersegment Eliminations [Member] | MCE
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues	3,017	501
Intersegment Eliminations [Member] | MDS
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues	28	140
Operating Segments [Member] | MCE
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues	(53,022)	(49,057)
Adjusted EBITDA	11,456	7,289
Operating Segments [Member] | MDS
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues	(8,045)	(5,519)
Adjusted EBITDA	482	486
Segment Reconciling Items and Intersegment Eliminations [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues	2,658	515
Adjusted EBITDA	$ (97)	$ 228