Consolidated Statement of Comprehensive Income (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2013	Dec. 31, 2012
Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract]
Net income	$ 40,875	$ 22,960	$ 41,287	$ 21,264
Other comprehensive income:
Foreign currency translation	4,865	4,138	10,991	8,226
Net unrealized gain (loss) on derivative instruments designated and qualifying as cash flow hedges	33	(227)	(68)	(515)
Total comprehensive income	$ 45,773	$ 26,871	$ 52,210	$ 28,975