Condensed Consolidated Statements of Other Comprehensive Income (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jan. 31, 2012	Jan. 31, 2011	Jan. 31, 2012	Jan. 31, 2011
Net Income	$ 2,869	$ 2,939	$ 6,171	$ 3,906
Other comprehensive income:
Foreign currency translation, net of tax	770	121	(962)	341
Net unrealized gain (loss) on derivative instrument, net of tax	0	0	(70)	0
Net change to derive comprehensive income for the period, net of tax	770	121	(1,032)	341
Comprehensive income	$ 3,639	$ 3,060	$ 5,139	$ 4,247