Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Jul. 31, 2016	Jul. 31, 2015	Jul. 31, 2014
Net revenue	$ 459,023	$ 561,673	$ 723,400
Cost of revenue	434,265	507,188	648,675
Gross profit	24,758	54,485	74,725
Operating expenses
Selling, general and administrative	57,604	59,667	72,020
Amortization of intangible assets		667	1,097
Impairment of goodwill and long-lived assets	305	3,360	500
Restructuring, net	7,421	5,130	6,557
Total operating expenses	65,330	68,824	80,174
Operating loss	(40,572)	(14,339)	(5,449)
Other income (expense):
Interest income	668	893	382
Interest expense	(10,924)	(10,618)	(5,009)
Other gains (losses), net	(5,757)	15,005	(50)
Impairment of investments in affiliates	(42)	(7,295)	(1,420)
Total other expense	(16,055)	(2,015)	(6,097)
Loss before income taxes	(56,627)	(16,354)	(11,546)
Income tax expense	5,443	2,283	4,682
(Gains) losses, and equity in losses, of affiliates, net of tax	(789)	(208)	134
Loss from continuing operations	(61,281)	(18,429)	(16,362)
Discontinued operations, net of income taxes:
Income from discontinued operations			80
Net income (loss)	$ (61,281)	$ (18,429)	$ (16,282)
Basic and diluted net income (loss) per share:
Loss from continuing operations	$ (1.18)	$ (0.35)	$ (0.32)
Income from discontinued operations	0	0	0
Net loss	$ (1.18)	$ (0.35)	$ (0.32)
Weighted average common shares used in basic and diluted earnings per share	51,934	51,940	51,582