CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jan. 31, 2017	Jan. 31, 2016	Jan. 31, 2017	Jan. 31, 2016
Net revenue	$ 117,568	$ 119,966	$ 238,895	$ 261,055
Cost of revenue	106,370	116,311	218,364	244,948
Gross profit	11,198	3,655	20,531	16,107
Operating expenses
Selling, general and administrative	11,926	14,773	25,527	27,787
Impairment of long-lived assets		305		305
Restructuring, net	776	240	2,150	1,247
Total operating expenses	12,702	15,318	27,677	29,339
Operating loss	(1,504)	(11,663)	(7,146)	(13,232)
Other income (expense):
Interest income	15	114	180	202
Interest expense	(2,109)	(2,777)	(4,138)	(5,506)
Other gains (losses), net	1,019	325	531	(9,346)
Impairment of investments in affiliates				(42)
Total other expense	(1,075)	(2,338)	(3,427)	(14,692)
Loss before income taxes	(2,579)	(14,001)	(10,573)	(27,924)
Income tax expense	723	206	1,772	1,056
Gains on investments in affiliates, net of tax	(396)	(259)	(896)	(259)
Net loss	$ (2,906)	$ (13,948)	$ (11,449)	$ (28,721)
Basic and diluted net loss per share	$ (0.05)	$ (0.27)	$ (0.21)	$ (0.55)
Weighted average common shares used in basic and diluted earnings per share	55,083	51,879	55,031	52,039