CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2014
Statement of Comprehensive Income [Abstract]
Net income	$ 34,766	$ 33,483	$ 29,000
Other comprehensive income (loss):
Foreign currency translation adjustments	368	(12,354)	2,609
Change in fair value of interest rate swaps	(149)	99	(179)
Reclassification for realized loss on interest rate swap included in interest expense	487
Defined benefit plans, net of tax of $31, $100 and $19 respectively	65	(213)	40
Total other comprehensive income (loss)	771	(12,468)	2,470
Comprehensive income	$ 35,537	$ 21,015	$ 31,470