Consolidated Statements of Comprehensive Loss (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jul. 31, 2014	Jul. 31, 2013	Jul. 31, 2012
Net Loss	$ (16,282)	$ (40,355)	$ (38,108)
Other comprehensive income:
Foreign currency translation adjustment	74	3,057	(10,650)
Pension liability adjustments, net of tax	166	(831)	(3,545)
Net unrealized holding gain on securities, net of tax	15	46
Total adjustments	255	2,272	(14,195)
Comprehensive loss	$ (16,027)	$ (38,083)	$ (52,303)