Other (Income) Expense, Net (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2017	Dec. 31, 2016
Other Income and Expenses [Abstract]
Unrealized gain on assets held in rabbi trust for a non-qualified deferred compensation plan	$ (417)	$ (114)	$ (784)	$ (444)
Foreign currency transactions loss (gain)	260	(193)	(51)	(343)
Net other periodic post-employment costs	61	200	121	401
Other, net	76	96	(17)	178
Total other income, net	$ (20)	$ (11)	$ (731)	$ (208)