Other Expense (Income), Net (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2013
Other (income) expense, net
Unrealized (gain) loss on assets held in rabbi trust for a non-qualified deferred compensation plan	$ (442)	$ (1,683)	$ (1,280)
Elimination of one-month Canadian and Mexican reporting lag, effective July 1, 2013 and January 1, 2014, respectively	0	(1,342)
Foreign currency transaction (gains) losses	1,251	801	(143)
Other, net	70	71	(8)
Total other expense (income), net	$ 879	$ (2,153)	$ (1,431)