Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Jul. 31, 2015	Jul. 31, 2014	Jul. 31, 2013
Net revenue	$ 561,673	$ 723,400	$ 754,504
Cost of revenue	507,188	648,675	680,134
Gross profit	54,485	74,725	74,370
Operating expenses
Selling, general and administrative	59,667	72,020	86,972
Amortization of intangible assets	667	1,097	1,133
Impairment of goodwill and long-lived assets	3,360	500
Restructuring, net	5,130	6,557	14,497
Total operating expenses	68,824	80,174	102,602
Operating loss	(14,339)	(5,449)	(28,232)
Other income (expense):
Interest income	893	382	300
Interest expense	(10,618)	(5,009)	(612)
Other gains (losses), net	15,005	(50)	(2,642)
Impairment of investments in affiliates	(7,295)	(1,420)	(2,750)
Total other income (expense)	(2,015)	(6,097)	(5,704)
Loss from continuing operations before income taxes	(16,354)	(11,546)	(33,936)
Income tax expense	2,283	4,682	3,779
(Gains) losses, and equity in losses, of affiliates, net of tax	(208)	134	1,615
Income (loss) from continuing operations	(18,429)	(16,362)	(39,330)
Discontinued operations, net of income taxes:
Income (loss) from discontinued operations		80	(1,025)
Net loss	$ (18,429)	$ (16,282)	$ (40,355)
Basic and diluted net income per share:
Loss from continuing operations	$ (0.35)	$ (0.32)	$ (0.84)
Income (loss) from discontinued operations			(0.02)
Net loss	$ (0.35)	$ (0.32)	$ (0.86)
Weighted average common shares used in:
Basic and diluted earnings per share	51,940	51,582	46,654