Income Taxes (Schedule of Provision for Income Taxes) (Detail) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2015
Income Tax Disclosure [Abstract]
Domestic operations	$ 9,555	$ 43,906	$ 48,276
Foreign operations	7,806	9,948	5,589
Income before income taxes	17,361	53,854	53,865
Federal:
Current	3,713	15,129	18,393
Deferred	(585)	(204)	(1,357)
State and local:
Current	555	755	1,526
Deferred	(110)	173	189
Foreign:
Current	2,221	3,222	2,337
Deferred	191	13	(706)
Provision for income taxes	$ 5,985	$ 19,088	$ 20,382