Income Taxes (Schedule of Provision for Income Taxes) (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2011
Income Tax Disclosure [Abstract]
Domestic operations	$ 21,181	$ 16,418	$ 7,039
Foreign operations	13,369	8,322	9,923
Income before income taxes	34,550	24,740	16,962
Provision for federal income taxes, current	9,428	6,533	5,342
Provision for federal income taxes, deferred	(2,011)	(1,476)	(561)
Provision for state and local income taxes, current	1,568	716	634
Provision for state and local income taxes, deferred	(628)	(277)	(162)
Provision for foreign income taxes, current	3,875	2,287	2,693
Provision for foreign income taxes, deferred	(10)	(24)	48
Provision for income taxes	$ 12,222	$ 7,759	$ 7,994