Operating Segment, Geographic Information and Significant Customers - Geographic Distribution of Revenues and Long Lived Assets from Continuing Operations (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2012
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues to unaffiliated customers									$ 208,729	$ 194,231	$ 237,070
Inter-geographic revenues									0	0	0
Net revenues	53,678	53,393	50,932	50,726	51,816	50,364	46,371	45,680	208,729	194,231	237,070
Identifiable long-lived assets	14,144				14,462				14,144	14,462	15,733
Reportable Geographical Components [Member] | US
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues to unaffiliated customers									202,845	182,527	227,433
Inter-geographic revenues									3,479	8,734	5,511
Net revenues									206,324	191,261	232,944
Identifiable long-lived assets	14,090				14,429				14,090	14,429	15,699
Reportable Geographical Components [Member] | Europe
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues to unaffiliated customers									2,806	4,632	4,983
Inter-geographic revenues									1,550	385	747
Net revenues									4,356	5,017	5,730
Identifiable long-lived assets	48				33				48	33	32
Reportable Geographical Components [Member] | Asia Pacific
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues to unaffiliated customers									3,078	7,072	4,654
Inter-geographic revenues									140	147	175
Net revenues									3,218	7,219	4,829
Identifiable long-lived assets	6				0				6	0	2
Geography Eliminations [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues to unaffiliated customers									0	0	0
Inter-geographic revenues									(5,169)	(9,266)	(6,433)
Net revenues									(5,169)	(9,266)	(6,433)
Identifiable long-lived assets	$ 0				$ 0				$ 0	$ 0	$ 0