Consolidated Statements Of Comprehensive Income (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jul. 31, 2013	Jul. 31, 2012	Jul. 31, 2011
Net income	$ 31,121	$ 43,071	$ 17,833
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustment	4,582	(7,605)	7,568
Unrecognized gain (loss) on pension benefits, net of tax	2,409	(1,632)	(793)
Unrealized (losses) gains on foreign currency forward contracts, net of tax	(146)	43
Total other comprehensive income (loss), net of tax	6,845	(9,194)	6,775
Total comprehensive income	$ 37,966	$ 33,877	$ 24,608