Condensed Consolidated Statements of Comprehensive Income (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2014	Mar. 31, 2013
Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract]
Net income	$ 16,949	$ 13,978	$ 54,684	$ 47,977
Foreign currency translation adjustment	1,562	(3,107)	5,458	2,206
Comprehensive income	$ 18,511	$ 10,871	$ 60,142	$ 50,183