Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2014
Statement Of Income And Comprehensive Income [Abstract]
Net earnings	$ 65,486	$ 65,975	$ 38,449
Other comprehensive income (loss):
Foreign currency translation adjustments	(15,651)	(8,497)	2,363
Pension adjustment, net of taxes of ($1,886), $(602), and $387 for the years ended June 30, 2016, 2015, and 2014, respectively	(7,031)	(2,244)	1,443
Comprehensive income	$ 42,804	$ 55,234	$ 42,255