Condensed Consolidated Statements of Other Comprehensive Income (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Oct. 31, 2011	Oct. 31, 2010
Net Income	$ 3,302	$ 967
Other comprehensive income:
Foreign currency translation, net of tax	(1,731)	221
Net unrealized gain (loss) on derivative instrument, net of tax	(71)	0
Net change to derive comprehensive income for the period, net of tax	(1,802)	221
Comprehensive income	$ 1,500	$ 1,188