Geographic Distribution of Revenues and Long Lived Assets from Continuing Operations (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2014	Mar. 31, 2013	Jun. 30, 2013
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues to unaffiliated customers	$ 55,500	$ 54,123	$ 162,530	$ 153,355
Net revenues	55,500	54,123	162,530	153,355
Identifiable long-lived assets	15,226		15,226		15,019
US
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues to unaffiliated customers	52,715	50,708	157,893	144,296
Inter-geographic revenues	1,403	2,313	2,901	6,240
Net revenues	54,118	53,021	160,794	150,536
Identifiable long-lived assets	15,191		15,191		14,986
Europe
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues to unaffiliated customers	1,028	1,144	1,987	2,572
Inter-geographic revenues	1,065	103	1,269	290
Net revenues	2,093	1,247	3,256	2,862
Identifiable long-lived assets	35		35		33
Asia Pacific
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues to unaffiliated customers	1,757	2,271	2,650	6,487
Inter-geographic revenues	0	3	140	47
Net revenues	1,757	2,274	2,790	6,534
Identifiable long-lived assets					0
Eliminations
Segment Reporting, Revenue Reconciling Item [Line Items]
Inter-geographic revenues	(2,468)	(2,419)	(4,310)	(6,577)
Net revenues	(2,468)	(2,419)	(4,310)	(6,577)
Identifiable long-lived assets	$ 0		$ 0