Other (Income) Expense, Net (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2018	Mar. 31, 2017	Mar. 31, 2018	Mar. 31, 2017
Other Income and Expenses [Abstract]
Unrealized gain on assets held in rabbi trust for a non-qualified deferred compensation plan	$ 0	$ (446)	$ (784)	$ (890)
Foreign currency transactions loss	130	544	79	202
Net other periodic post-employment costs	59	201	180	602
Life insurance (income) expense, net	(1,488)	(160)	(1,495)	32
Other, net	8	15	(2)	0
Total other (income) expense, net	$ (1,291)	$ 154	$ (2,022)	$ (54)