Condensed Consolidated Statements of Comprehensive Income (unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Mar. 31, 2013	Mar. 31, 2012
Net income	$ 5,333	$ 1,998	$ 11,700	$ 5,701
Other comprehensive income:
Minimum pension and postretirement liability adjustment				(2)
Net foreign currency translation adjustments	73	79	87	288
Other comprehensive income	73	79	87	286
Total comprehensive income	$ 5,406	$ 2,077	$ 11,787	$ 5,987