CONDENSED CONSOLIDATED STATEMENTS 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
Statement Of Income And Comprehensive Income [Abstract]
Net income	$ 6,755	$ 4,513	$ 18,090	$ 9,333
Other comprehensive income:
Foreign currency translation adjustments	1,106	1,269	3,156	2,311
Change in fair value of interest rate swaps	41	58	72	53
Comprehensive income	$ 7,902	$ 5,840	$ 21,318	$ 11,697