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, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2011
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues to unaffiliated customers									$ 208,791	$ 244,929	$ 228,710
Inter-geographic revenues									0	0	0
Net revenues	55,436	54,123	49,804	49,428	60,859	66,989	67,959	49,122	208,791	244,929	228,710
Identifiable long-lived assets	15,019				15,929				15,019	15,929	16,118
US
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues to unaffiliated customers									197,087	235,292	219,435
Inter-geographic revenues									8,734	5,511	5,637
Net revenues									205,821	240,803	225,072
Identifiable long-lived assets	14,986				15,895				14,986	15,895	15,390
Europe
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues to unaffiliated customers									4,632	4,983	3,665
Inter-geographic revenues									385	747	2,277
Net revenues									5,017	5,730	5,942
Identifiable long-lived assets	33				32				33	32	24
Asia Pacific
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues to unaffiliated customers									7,072	4,654	5,610
Inter-geographic revenues									147	175	243
Net revenues									7,219	4,829	5,853
Identifiable long-lived assets	0				2				0	2	704
Eliminations
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues to unaffiliated customers									0	0	0
Inter-geographic revenues									(9,266)	(6,433)	(8,157)
Net revenues									(9,266)	(6,433)	(8,157)
Identifiable long-lived assets	$ 0				$ 0				$ 0	$ 0	$ 0