Income Taxes (Schedule of Provision for Income Taxes) (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2012
Income Tax Disclosure [Abstract]
Domestic operations	$ 30,884	$ 21,181	$ 16,418
Foreign operations	13,790	13,369	8,322
Income before income taxes	44,674	34,550	24,740
Federal:
Provision for federal income taxes, current	12,720	9,428	6,533
Provision for federal income taxes, deferred	(2,728)	(2,011)	(1,476)
State and local:
Provision for state and local income taxes, current	1,547	1,568	716
Provision for state and local income taxes, deferred	(113)	(628)	(277)
Foreign:
Provision for foreign income taxes, current	4,490	3,875	2,287
Provision for foreign income taxes, deferred	(242)	(10)	(24)
Provision for income taxes	$ 15,674	$ 12,222	$ 7,759