Geographic Distribution of Revenues and Long Lived Assets from Continuing Operations (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2010
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues to unaffiliated customers	$ 244,929	$ 228,710	$ 199,830
Net revenues	244,929	228,710	199,830
Identifiable long-lived assets	15,929	16,118	14,121
US
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues to unaffiliated customers	235,292	219,435	180,103
Inter-geographic revenues	5,511	5,637	13,916
Net revenues	240,803	225,072	194,019
Identifiable long-lived assets	15,895	15,390	13,384
Europe
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues to unaffiliated customers	4,983	3,665	9,960
Inter-geographic revenues	747	2,277	789
Net revenues	5,730	5,942	10,749
Identifiable long-lived assets	32	24	21
Asia Pacific
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues to unaffiliated customers	4,654	5,610	9,767
Inter-geographic revenues	175	243	198
Net revenues	4,829	5,853	9,965
Identifiable long-lived assets	2	704	716
Geographical Intersegment, Eliminations
Segment Reporting, Revenue Reconciling Item [Line Items]
Inter-geographic revenues	(6,433)	(8,157)	(14,903)
Net revenues	$ (6,433)	$ (8,157)	$ (14,903)