Condensed Consolidated Statements of Comprehensive Income (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Apr. 30, 2014	Apr. 30, 2013	Apr. 30, 2014	Apr. 30, 2013
Net income	$ 7,790	$ 5,224	$ 23,329	$ 19,414
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustment	689	(1,378)	1,495	4,343
Unrealized gains (losses) on foreign currency forward contracts, net of tax of $12 and $(38) for the three months ended April 30, 2014 and 2013, respectively, and $67 and $ (48) for the nine months ended April 30, 2014 and 2013, respectively	31	(69)	132	(87)
Total other comprehensive income (loss), net of tax	720	(1,447)	1,627	4,256
Total comprehensive income	$ 8,510	$ 3,777	$ 24,956	$ 23,670