Income Taxes (Narrative) (Detail) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
Income Tax Disclosure [Abstract]
Income taxes payable included in accrued expenses	$ 64	$ 2,119
Net change in total valuation allowance	21	16
Future taxable income required to fully realize the net deferred tax assets	34,638
Undistributed earnings of foreign subsidiaries	111,569
Federal net operating loss carryforwards	0
State net operating loss carryforwards	81
Foreign net operating loss carryforwards	$ 692	$ 685