Other (Income) Expense, Net (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2014	Mar. 31, 2013
Other Income and Expenses [Abstract]
Unrealized (gain) loss on assets held in rabbi trust for a nonqualified deferred compensation plan	$ (110)	$ (602)	$ (1,355)	$ (1,183)
Elimination of one-month Canadian and Mexican reporting lag, effective July 1, 2013 and January 1, 2014, respectively	(175)		(1,342)
Foreign currency transactions (gain) loss	46	(231)	953	(656)
Other, net	(149)	(194)	(5)	(74)
Total other (income) expense, net	$ (388)	$ (1,027)	$ (1,749)	$ (1,913)